1 /*!
2 * jQuery JavaScript Library v3.3.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/parseXML,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-event/ajax,-effects,-effects/Tween,-effects/animatedSelector
3 * https://jquery.com/
4 *
5 * Includes Sizzle.js
6 * https://sizzlejs.com/
7 *
8 * Copyright JS Foundation and other contributors
9 * Released under the MIT license
10 * https://jquery.org/license
11 *
12 * Date: 2018-01-20T17:24Z
13 */
14 ( function( global, factory ) {
15
16 "use strict";
17
18 if ( typeof module === "object" && typeof module.exports === "object" ) {
19
20 // For CommonJS and CommonJS-like environments where a proper `window`
21 // is present, execute the factory and get jQuery.
22 // For environments that do not have a `window` with a `document`
23 // (such as Node.js), expose a factory as module.exports.
24 // This accentuates the need for the creation of a real `window`.
25 // e.g. var jQuery = require("jquery")(window);
26 // See ticket #14549 for more info.
27 module.exports = global.document ?
28 factory( global, true ) :
29 function( w ) {
30 if ( !w.document ) {
31 throw new Error( "jQuery requires a window with a document" );
32 }
33 return factory( w );
34 };
35 } else {
36 factory( global );
37 }
38
39 // Pass this if window is not defined yet
40 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
41
42 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
43 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
44 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
45 // enough that all such attempts are guarded in a try block.
46 "use strict";
47
48 var arr = [];
49
50 var document = window.document;
51
52 var getProto = Object.getPrototypeOf;
53
54 var slice = arr.slice;
55
56 var concat = arr.concat;
57
58 var push = arr.push;
59
60 var indexOf = arr.indexOf;
61
62 var class2type = {};
63
64 var toString = class2type.toString;
65
66 var hasOwn = class2type.hasOwnProperty;
67
68 var fnToString = hasOwn.toString;
69
70 var ObjectFunctionString = fnToString.call( Object );
71
72 var support = {};
73
74 var isFunction = function isFunction( obj ) {
75
76 // Support: Chrome <=57, Firefox <=52
77 // In some browsers, typeof returns "function" for HTML <object> elements
78 // (i.e., `typeof document.createElement( "object" ) === "function"`).
79 // We don't want to classify *any* DOM node as a function.
80 return typeof obj === "function" && typeof obj.nodeType !== "number";
81 };
82
83
84 var isWindow = function isWindow( obj ) {
85 return obj != null && obj === obj.window;
86 };
87
88
89
90
91 var preservedScriptAttributes = {
92 type: true,
93 src: true,
94 noModule: true
95 };
96
97 function DOMEval( code, doc, node ) {
98 doc = doc || document;
99
100 var i,
101 script = doc.createElement( "script" );
102
103 script.text = code;
104 if ( node ) {
105 for ( i in preservedScriptAttributes ) {
106 if ( node[ i ] ) {
107 script[ i ] = node[ i ];
108 }
109 }
110 }
111 doc.head.appendChild( script ).parentNode.removeChild( script );
112 }
113
114
115 function toType( obj ) {
116 if ( obj == null ) {
117 return obj + "";
118 }
119
120 // Support: Android <=2.3 only (functionish RegExp)
121 return typeof obj === "object" || typeof obj === "function" ?
122 class2type[ toString.call( obj ) ] || "object" :
123 typeof obj;
124 }
125 /* global Symbol */
126 // Defining this global in .eslintrc.json would create a danger of using the global
127 // unguarded in another place, it seems safer to define global only for this module
128
129
130
131 var
132 version = "3.3.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/parseXML,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-event/ajax,-effects,-effects/Tween,-effects/animatedSelector",
133
134 // Define a local copy of jQuery
135 jQuery = function( selector, context ) {
136
137 // The jQuery object is actually just the init constructor 'enhanced'
138 // Need init if jQuery is called (just allow error to be thrown if not included)
139 return new jQuery.fn.init( selector, context );
140 },
141
142 // Support: Android <=4.0 only
143 // Make sure we trim BOM and NBSP
144 rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
145
146 jQuery.fn = jQuery.prototype = {
147
148 // The current version of jQuery being used
149 jquery: version,
150
151 constructor: jQuery,
152
153 // The default length of a jQuery object is 0
154 length: 0,
155
156 toArray: function() {
157 return slice.call( this );
158 },
159
160 // Get the Nth element in the matched element set OR
161 // Get the whole matched element set as a clean array
162 get: function( num ) {
163
164 // Return all the elements in a clean array
165 if ( num == null ) {
166 return slice.call( this );
167 }
168
169 // Return just the one element from the set
170 return num < 0 ? this[ num + this.length ] : this[ num ];
171 },
172
173 // Take an array of elements and push it onto the stack
174 // (returning the new matched element set)
175 pushStack: function( elems ) {
176
177 // Build a new jQuery matched element set
178 var ret = jQuery.merge( this.constructor(), elems );
179
180 // Add the old object onto the stack (as a reference)
181 ret.prevObject = this;
182
183 // Return the newly-formed element set
184 return ret;
185 },
186
187 // Execute a callback for every element in the matched set.
188 each: function( callback ) {
189 return jQuery.each( this, callback );
190 },
191
192 map: function( callback ) {
193 return this.pushStack( jQuery.map( this, function( elem, i ) {
194 return callback.call( elem, i, elem );
195 } ) );
196 },
197
198 slice: function() {
199 return this.pushStack( slice.apply( this, arguments ) );
200 },
201
202 first: function() {
203 return this.eq( 0 );
204 },
205
206 last: function() {
207 return this.eq( -1 );
208 },
209
210 eq: function( i ) {
211 var len = this.length,
212 j = +i + ( i < 0 ? len : 0 );
213 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
214 },
215
216 end: function() {
217 return this.prevObject || this.constructor();
218 },
219
220 // For internal use only.
221 // Behaves like an Array's method, not like a jQuery method.
222 push: push,
223 sort: arr.sort,
224 splice: arr.splice
225 };
226
227 jQuery.extend = jQuery.fn.extend = function() {
228 var options, name, src, copy, copyIsArray, clone,
229 target = arguments[ 0 ] || {},
230 i = 1,
231 length = arguments.length,
232 deep = false;
233
234 // Handle a deep copy situation
235 if ( typeof target === "boolean" ) {
236 deep = target;
237
238 // Skip the boolean and the target
239 target = arguments[ i ] || {};
240 i++;
241 }
242
243 // Handle case when target is a string or something (possible in deep copy)
244 if ( typeof target !== "object" && !isFunction( target ) ) {
245 target = {};
246 }
247
248 // Extend jQuery itself if only one argument is passed
249 if ( i === length ) {
250 target = this;
251 i--;
252 }
253
254 for ( ; i < length; i++ ) {
255
256 // Only deal with non-null/undefined values
257 if ( ( options = arguments[ i ] ) != null ) {
258
259 // Extend the base object
260 for ( name in options ) {
261 src = target[ name ];
262 copy = options[ name ];
263
264 // Prevent never-ending loop
265 if ( target === copy ) {
266 continue;
267 }
268
269 // Recurse if we're merging plain objects or arrays
270 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
271 ( copyIsArray = Array.isArray( copy ) ) ) ) {
272
273 if ( copyIsArray ) {
274 copyIsArray = false;
275 clone = src && Array.isArray( src ) ? src : [];
276
277 } else {
278 clone = src && jQuery.isPlainObject( src ) ? src : {};
279 }
280
281 // Never move original objects, clone them
282 target[ name ] = jQuery.extend( deep, clone, copy );
283
284 // Don't bring in undefined values
285 } else if ( copy !== undefined ) {
286 target[ name ] = copy;
287 }
288 }
289 }
290 }
291
292 // Return the modified object
293 return target;
294 };
295
296 jQuery.extend( {
297
298 // Unique for each copy of jQuery on the page
299 expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
300
301 // Assume jQuery is ready without the ready module
302 isReady: true,
303
304 error: function( msg ) {
305 throw new Error( msg );
306 },
307
308 noop: function() {},
309
310 isPlainObject: function( obj ) {
311 var proto, Ctor;
312
313 // Detect obvious negatives
314 // Use toString instead of jQuery.type to catch host objects
315 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
316 return false;
317 }
318
319 proto = getProto( obj );
320
321 // Objects with no prototype (e.g., `Object.create( null )`) are plain
322 if ( !proto ) {
323 return true;
324 }
325
326 // Objects with prototype are plain iff they were constructed by a global Object function
327 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
328 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
329 },
330
331 isEmptyObject: function( obj ) {
332
333 /* eslint-disable no-unused-vars */
334 // See https://github.com/eslint/eslint/issues/6125
335 var name;
336
337 for ( name in obj ) {
338 return false;
339 }
340 return true;
341 },
342
343 // Evaluates a script in a global context
344 globalEval: function( code ) {
345 DOMEval( code );
346 },
347
348 each: function( obj, callback ) {
349 var length, i = 0;
350
351 if ( isArrayLike( obj ) ) {
352 length = obj.length;
353 for ( ; i < length; i++ ) {
354 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
355 break;
356 }
357 }
358 } else {
359 for ( i in obj ) {
360 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
361 break;
362 }
363 }
364 }
365
366 return obj;
367 },
368
369 // Support: Android <=4.0 only
370 trim: function( text ) {
371 return text == null ?
372 "" :
373 ( text + "" ).replace( rtrim, "" );
374 },
375
376 // results is for internal usage only
377 makeArray: function( arr, results ) {
378 var ret = results || [];
379
380 if ( arr != null ) {
381 if ( isArrayLike( Object( arr ) ) ) {
382 jQuery.merge( ret,
383 typeof arr === "string" ?
384 [ arr ] : arr
385 );
386 } else {
387 push.call( ret, arr );
388 }
389 }
390
391 return ret;
392 },
393
394 inArray: function( elem, arr, i ) {
395 return arr == null ? -1 : indexOf.call( arr, elem, i );
396 },
397
398 // Support: Android <=4.0 only, PhantomJS 1 only
399 // push.apply(_, arraylike) throws on ancient WebKit
400 merge: function( first, second ) {
401 var len = +second.length,
402 j = 0,
403 i = first.length;
404
405 for ( ; j < len; j++ ) {
406 first[ i++ ] = second[ j ];
407 }
408
409 first.length = i;
410
411 return first;
412 },
413
414 grep: function( elems, callback, invert ) {
415 var callbackInverse,
416 matches = [],
417 i = 0,
418 length = elems.length,
419 callbackExpect = !invert;
420
421 // Go through the array, only saving the items
422 // that pass the validator function
423 for ( ; i < length; i++ ) {
424 callbackInverse = !callback( elems[ i ], i );
425 if ( callbackInverse !== callbackExpect ) {
426 matches.push( elems[ i ] );
427 }
428 }
429
430 return matches;
431 },
432
433 // arg is for internal usage only
434 map: function( elems, callback, arg ) {
435 var length, value,
436 i = 0,
437 ret = [];
438
439 // Go through the array, translating each of the items to their new values
440 if ( isArrayLike( elems ) ) {
441 length = elems.length;
442 for ( ; i < length; i++ ) {
443 value = callback( elems[ i ], i, arg );
444
445 if ( value != null ) {
446 ret.push( value );
447 }
448 }
449
450 // Go through every key on the object,
451 } else {
452 for ( i in elems ) {
453 value = callback( elems[ i ], i, arg );
454
455 if ( value != null ) {
456 ret.push( value );
457 }
458 }
459 }
460
461 // Flatten any nested arrays
462 return concat.apply( [], ret );
463 },
464
465 // A global GUID counter for objects
466 guid: 1,
467
468 // jQuery.support is not used in Core but other projects attach their
469 // properties to it so it needs to exist.
470 support: support
471 } );
472
473 if ( typeof Symbol === "function" ) {
474 jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
475 }
476
477 // Populate the class2type map
478 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
479 function( i, name ) {
480 class2type[ "[object " + name + "]" ] = name.toLowerCase();
481 } );
482
483 function isArrayLike( obj ) {
484
485 // Support: real iOS 8.2 only (not reproducible in simulator)
486 // `in` check used to prevent JIT error (gh-2145)
487 // hasOwn isn't used here due to false negatives
488 // regarding Nodelist length in IE
489 var length = !!obj && "length" in obj && obj.length,
490 type = toType( obj );
491
492 if ( isFunction( obj ) || isWindow( obj ) ) {
493 return false;
494 }
495
496 return type === "array" || length === 0 ||
497 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
498 }
499 var Sizzle =
500 /*!
501 * Sizzle CSS Selector Engine v2.3.3
502 * https://sizzlejs.com/
503 *
504 * Copyright jQuery Foundation and other contributors
505 * Released under the MIT license
506 * http://jquery.org/license
507 *
508 * Date: 2016-08-08
509 */
510 (function( window ) {
511
512 var i,
513 support,
514 Expr,
515 getText,
516 isXML,
517 tokenize,
518 compile,
519 select,
520 outermostContext,
521 sortInput,
522 hasDuplicate,
523
524 // Local document vars
525 setDocument,
526 document,
527 docElem,
528 documentIsHTML,
529 rbuggyQSA,
530 rbuggyMatches,
531 matches,
532 contains,
533
534 // Instance-specific data
535 expando = "sizzle" + 1 * new Date(),
536 preferredDoc = window.document,
537 dirruns = 0,
538 done = 0,
539 classCache = createCache(),
540 tokenCache = createCache(),
541 compilerCache = createCache(),
542 sortOrder = function( a, b ) {
543 if ( a === b ) {
544 hasDuplicate = true;
545 }
546 return 0;
547 },
548
549 // Instance methods
550 hasOwn = ({}).hasOwnProperty,
551 arr = [],
552 pop = arr.pop,
553 push_native = arr.push,
554 push = arr.push,
555 slice = arr.slice,
556 // Use a stripped-down indexOf as it's faster than native
557 // https://jsperf.com/thor-indexof-vs-for/5
558 indexOf = function( list, elem ) {
559 var i = 0,
560 len = list.length;
561 for ( ; i < len; i++ ) {
562 if ( list[i] === elem ) {
563 return i;
564 }
565 }
566 return -1;
567 },
568
569 booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
570
571 // Regular expressions
572
573 // http://www.w3.org/TR/css3-selectors/#whitespace
574 whitespace = "[\\x20\\t\\r\\n\\f]",
575
576 // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
577 identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
578
579 // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
580 attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
581 // Operator (capture 2)
582 "*([*^$|!~]?=)" + whitespace +
583 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
584 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
585 "*\\]",
586
587 pseudos = ":(" + identifier + ")(?:\\((" +
588 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
589 // 1. quoted (capture 3; capture 4 or capture 5)
590 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
591 // 2. simple (capture 6)
592 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
593 // 3. anything else (capture 2)
594 ".*" +
595 ")\\)|)",
596
597 // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
598 rwhitespace = new RegExp( whitespace + "+", "g" ),
599 rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
600
601 rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
602 rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
603
604 rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
605
606 rpseudo = new RegExp( pseudos ),
607 ridentifier = new RegExp( "^" + identifier + "$" ),
608
609 matchExpr = {
610 "ID": new RegExp( "^#(" + identifier + ")" ),
611 "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
612 "TAG": new RegExp( "^(" + identifier + "|[*])" ),
613 "ATTR": new RegExp( "^" + attributes ),
614 "PSEUDO": new RegExp( "^" + pseudos ),
615 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
616 "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
617 "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
618 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
619 // For use in libraries implementing .is()
620 // We use this for POS matching in `select`
621 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
622 whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
623 },
624
625 rinputs = /^(?:input|select|textarea|button)$/i,
626 rheader = /^h\d$/i,
627
628 rnative = /^[^{]+\{\s*\[native \w/,
629
630 // Easily-parseable/retrievable ID or TAG or CLASS selectors
631 rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
632
633 rsibling = /[+~]/,
634
635 // CSS escapes
636 // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
637 runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
638 funescape = function( _, escaped, escapedWhitespace ) {
639 var high = "0x" + escaped - 0x10000;
640 // NaN means non-codepoint
641 // Support: Firefox<24
642 // Workaround erroneous numeric interpretation of +"0x"
643 return high !== high || escapedWhitespace ?
644 escaped :
645 high < 0 ?
646 // BMP codepoint
647 String.fromCharCode( high + 0x10000 ) :
648 // Supplemental Plane codepoint (surrogate pair)
649 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
650 },
651
652 // CSS string/identifier serialization
653 // https://drafts.csswg.org/cssom/#common-serializing-idioms
654 rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
655 fcssescape = function( ch, asCodePoint ) {
656 if ( asCodePoint ) {
657
658 // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
659 if ( ch === "\0" ) {
660 return "\uFFFD";
661 }
662
663 // Control characters and (dependent upon position) numbers get escaped as code points
664 return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
665 }
666
667 // Other potentially-special ASCII characters get backslash-escaped
668 return "\\" + ch;
669 },
670
671 // Used for iframes
672 // See setDocument()
673 // Removing the function wrapper causes a "Permission Denied"
674 // error in IE
675 unloadHandler = function() {
676 setDocument();
677 },
678
679 disabledAncestor = addCombinator(
680 function( elem ) {
681 return elem.disabled === true && ("form" in elem || "label" in elem);
682 },
683 { dir: "parentNode", next: "legend" }
684 );
685
686 // Optimize for push.apply( _, NodeList )
687 try {
688 push.apply(
689 (arr = slice.call( preferredDoc.childNodes )),
690 preferredDoc.childNodes
691 );
692 // Support: Android<4.0
693 // Detect silently failing push.apply
694 arr[ preferredDoc.childNodes.length ].nodeType;
695 } catch ( e ) {
696 push = { apply: arr.length ?
697
698 // Leverage slice if possible
699 function( target, els ) {
700 push_native.apply( target, slice.call(els) );
701 } :
702
703 // Support: IE<9
704 // Otherwise append directly
705 function( target, els ) {
706 var j = target.length,
707 i = 0;
708 // Can't trust NodeList.length
709 while ( (target[j++] = els[i++]) ) {}
710 target.length = j - 1;
711 }
712 };
713 }
714
715 function Sizzle( selector, context, results, seed ) {
716 var m, i, elem, nid, match, groups, newSelector,
717 newContext = context && context.ownerDocument,
718
719 // nodeType defaults to 9, since context defaults to document
720 nodeType = context ? context.nodeType : 9;
721
722 results = results || [];
723
724 // Return early from calls with invalid selector or context
725 if ( typeof selector !== "string" || !selector ||
726 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
727
728 return results;
729 }
730
731 // Try to shortcut find operations (as opposed to filters) in HTML documents
732 if ( !seed ) {
733
734 if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
735 setDocument( context );
736 }
737 context = context || document;
738
739 if ( documentIsHTML ) {
740
741 // If the selector is sufficiently simple, try using a "get*By*" DOM method
742 // (excepting DocumentFragment context, where the methods don't exist)
743 if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
744
745 // ID selector
746 if ( (m = match[1]) ) {
747
748 // Document context
749 if ( nodeType === 9 ) {
750 if ( (elem = context.getElementById( m )) ) {
751
752 // Support: IE, Opera, Webkit
753 // TODO: identify versions
754 // getElementById can match elements by name instead of ID
755 if ( elem.id === m ) {
756 results.push( elem );
757 return results;
758 }
759 } else {
760 return results;
761 }
762
763 // Element context
764 } else {
765
766 // Support: IE, Opera, Webkit
767 // TODO: identify versions
768 // getElementById can match elements by name instead of ID
769 if ( newContext && (elem = newContext.getElementById( m )) &&
770 contains( context, elem ) &&
771 elem.id === m ) {
772
773 results.push( elem );
774 return results;
775 }
776 }
777
778 // Type selector
779 } else if ( match[2] ) {
780 push.apply( results, context.getElementsByTagName( selector ) );
781 return results;
782
783 // Class selector
784 } else if ( (m = match[3]) && support.getElementsByClassName &&
785 context.getElementsByClassName ) {
786
787 push.apply( results, context.getElementsByClassName( m ) );
788 return results;
789 }
790 }
791
792 // Take advantage of querySelectorAll
793 if ( support.qsa &&
794 !compilerCache[ selector + " " ] &&
795 (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
796
797 if ( nodeType !== 1 ) {
798 newContext = context;
799 newSelector = selector;
800
801 // qSA looks outside Element context, which is not what we want
802 // Thanks to Andrew Dupont for this workaround technique
803 // Support: IE <=8
804 // Exclude object elements
805 } else if ( context.nodeName.toLowerCase() !== "object" ) {
806
807 // Capture the context ID, setting it first if necessary
808 if ( (nid = context.getAttribute( "id" )) ) {
809 nid = nid.replace( rcssescape, fcssescape );
810 } else {
811 context.setAttribute( "id", (nid = expando) );
812 }
813
814 // Prefix every selector in the list
815 groups = tokenize( selector );
816 i = groups.length;
817 while ( i-- ) {
818 groups[i] = "#" + nid + " " + toSelector( groups[i] );
819 }
820 newSelector = groups.join( "," );
821
822 // Expand context for sibling selectors
823 newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
824 context;
825 }
826
827 if ( newSelector ) {
828 try {
829 push.apply( results,
830 newContext.querySelectorAll( newSelector )
831 );
832 return results;
833 } catch ( qsaError ) {
834 } finally {
835 if ( nid === expando ) {
836 context.removeAttribute( "id" );
837 }
838 }
839 }
840 }
841 }
842 }
843
844 // All others
845 return select( selector.replace( rtrim, "$1" ), context, results, seed );
846 }
847
848 /**
849 * Create key-value caches of limited size
850 * @returns {function(string, object)} Returns the Object data after storing it on itself with
851 * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
852 * deleting the oldest entry
853 */
854 function createCache() {
855 var keys = [];
856
857 function cache( key, value ) {
858 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
859 if ( keys.push( key + " " ) > Expr.cacheLength ) {
860 // Only keep the most recent entries
861 delete cache[ keys.shift() ];
862 }
863 return (cache[ key + " " ] = value);
864 }
865 return cache;
866 }
867
868 /**
869 * Mark a function for special use by Sizzle
870 * @param {Function} fn The function to mark
871 */
872 function markFunction( fn ) {
873 fn[ expando ] = true;
874 return fn;
875 }
876
877 /**
878 * Support testing using an element
879 * @param {Function} fn Passed the created element and returns a boolean result
880 */
881 function assert( fn ) {
882 var el = document.createElement("fieldset");
883
884 try {
885 return !!fn( el );
886 } catch (e) {
887 return false;
888 } finally {
889 // Remove from its parent by default
890 if ( el.parentNode ) {
891 el.parentNode.removeChild( el );
892 }
893 // release memory in IE
894 el = null;
895 }
896 }
897
898 /**
899 * Adds the same handler for all of the specified attrs
900 * @param {String} attrs Pipe-separated list of attributes
901 * @param {Function} handler The method that will be applied
902 */
903 function addHandle( attrs, handler ) {
904 var arr = attrs.split("|"),
905 i = arr.length;
906
907 while ( i-- ) {
908 Expr.attrHandle[ arr[i] ] = handler;
909 }
910 }
911
912 /**
913 * Checks document order of two siblings
914 * @param {Element} a
915 * @param {Element} b
916 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
917 */
918 function siblingCheck( a, b ) {
919 var cur = b && a,
920 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
921 a.sourceIndex - b.sourceIndex;
922
923 // Use IE sourceIndex if available on both nodes
924 if ( diff ) {
925 return diff;
926 }
927
928 // Check if b follows a
929 if ( cur ) {
930 while ( (cur = cur.nextSibling) ) {
931 if ( cur === b ) {
932 return -1;
933 }
934 }
935 }
936
937 return a ? 1 : -1;
938 }
939
940 /**
941 * Returns a function to use in pseudos for input types
942 * @param {String} type
943 */
944 function createInputPseudo( type ) {
945 return function( elem ) {
946 var name = elem.nodeName.toLowerCase();
947 return name === "input" && elem.type === type;
948 };
949 }
950
951 /**
952 * Returns a function to use in pseudos for buttons
953 * @param {String} type
954 */
955 function createButtonPseudo( type ) {
956 return function( elem ) {
957 var name = elem.nodeName.toLowerCase();
958 return (name === "input" || name === "button") && elem.type === type;
959 };
960 }
961
962 /**
963 * Returns a function to use in pseudos for :enabled/:disabled
964 * @param {Boolean} disabled true for :disabled; false for :enabled
965 */
966 function createDisabledPseudo( disabled ) {
967
968 // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
969 return function( elem ) {
970
971 // Only certain elements can match :enabled or :disabled
972 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
973 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
974 if ( "form" in elem ) {
975
976 // Check for inherited disabledness on relevant non-disabled elements:
977 // * listed form-associated elements in a disabled fieldset
978 // https://html.spec.whatwg.org/multipage/forms.html#category-listed
979 // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
980 // * option elements in a disabled optgroup
981 // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
982 // All such elements have a "form" property.
983 if ( elem.parentNode && elem.disabled === false ) {
984
985 // Option elements defer to a parent optgroup if present
986 if ( "label" in elem ) {
987 if ( "label" in elem.parentNode ) {
988 return elem.parentNode.disabled === disabled;
989 } else {
990 return elem.disabled === disabled;
991 }
992 }
993
994 // Support: IE 6 - 11
995 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
996 return elem.isDisabled === disabled ||
997
998 // Where there is no isDisabled, check manually
999 /* jshint -W018 */
1000 elem.isDisabled !== !disabled &&
1001 disabledAncestor( elem ) === disabled;
1002 }
1003
1004 return elem.disabled === disabled;
1005
1006 // Try to winnow out elements that can't be disabled before trusting the disabled property.
1007 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1008 // even exist on them, let alone have a boolean value.
1009 } else if ( "label" in elem ) {
1010 return elem.disabled === disabled;
1011 }
1012
1013 // Remaining elements are neither :enabled nor :disabled
1014 return false;
1015 };
1016 }
1017
1018 /**
1019 * Returns a function to use in pseudos for positionals
1020 * @param {Function} fn
1021 */
1022 function createPositionalPseudo( fn ) {
1023 return markFunction(function( argument ) {
1024 argument = +argument;
1025 return markFunction(function( seed, matches ) {
1026 var j,
1027 matchIndexes = fn( [], seed.length, argument ),
1028 i = matchIndexes.length;
1029
1030 // Match elements found at the specified indexes
1031 while ( i-- ) {
1032 if ( seed[ (j = matchIndexes[i]) ] ) {
1033 seed[j] = !(matches[j] = seed[j]);
1034 }
1035 }
1036 });
1037 });
1038 }
1039
1040 /**
1041 * Checks a node for validity as a Sizzle context
1042 * @param {Element|Object=} context
1043 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1044 */
1045 function testContext( context ) {
1046 return context && typeof context.getElementsByTagName !== "undefined" && context;
1047 }
1048
1049 // Expose support vars for convenience
1050 support = Sizzle.support = {};
1051
1052 /**
1053 * Detects XML nodes
1054 * @param {Element|Object} elem An element or a document
1055 * @returns {Boolean} True iff elem is a non-HTML XML node
1056 */
1057 isXML = Sizzle.isXML = function( elem ) {
1058 // documentElement is verified for cases where it doesn't yet exist
1059 // (such as loading iframes in IE - #4833)
1060 var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1061 return documentElement ? documentElement.nodeName !== "HTML" : false;
1062 };
1063
1064 /**
1065 * Sets document-related variables once based on the current document
1066 * @param {Element|Object} [doc] An element or document object to use to set the document
1067 * @returns {Object} Returns the current document
1068 */
1069 setDocument = Sizzle.setDocument = function( node ) {
1070 var hasCompare, subWindow,
1071 doc = node ? node.ownerDocument || node : preferredDoc;
1072
1073 // Return early if doc is invalid or already selected
1074 if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1075 return document;
1076 }
1077
1078 // Update global variables
1079 document = doc;
1080 docElem = document.documentElement;
1081 documentIsHTML = !isXML( document );
1082
1083 // Support: IE 9-11, Edge
1084 // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1085 if ( preferredDoc !== document &&
1086 (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
1087
1088 // Support: IE 11, Edge
1089 if ( subWindow.addEventListener ) {
1090 subWindow.addEventListener( "unload", unloadHandler, false );
1091
1092 // Support: IE 9 - 10 only
1093 } else if ( subWindow.attachEvent ) {
1094 subWindow.attachEvent( "onunload", unloadHandler );
1095 }
1096 }
1097
1098 /* Attributes
1099 ---------------------------------------------------------------------- */
1100
1101 // Support: IE<8
1102 // Verify that getAttribute really returns attributes and not properties
1103 // (excepting IE8 booleans)
1104 support.attributes = assert(function( el ) {
1105 el.className = "i";
1106 return !el.getAttribute("className");
1107 });
1108
1109 /* getElement(s)By*
1110 ---------------------------------------------------------------------- */
1111
1112 // Check if getElementsByTagName("*") returns only elements
1113 support.getElementsByTagName = assert(function( el ) {
1114 el.appendChild( document.createComment("") );
1115 return !el.getElementsByTagName("*").length;
1116 });
1117
1118 // Support: IE<9
1119 support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1120
1121 // Support: IE<10
1122 // Check if getElementById returns elements by name
1123 // The broken getElementById methods don't pick up programmatically-set names,
1124 // so use a roundabout getElementsByName test
1125 support.getById = assert(function( el ) {
1126 docElem.appendChild( el ).id = expando;
1127 return !document.getElementsByName || !document.getElementsByName( expando ).length;
1128 });
1129
1130 // ID filter and find
1131 if ( support.getById ) {
1132 Expr.filter["ID"] = function( id ) {
1133 var attrId = id.replace( runescape, funescape );
1134 return function( elem ) {
1135 return elem.getAttribute("id") === attrId;
1136 };
1137 };
1138 Expr.find["ID"] = function( id, context ) {
1139 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1140 var elem = context.getElementById( id );
1141 return elem ? [ elem ] : [];
1142 }
1143 };
1144 } else {
1145 Expr.filter["ID"] = function( id ) {
1146 var attrId = id.replace( runescape, funescape );
1147 return function( elem ) {
1148 var node = typeof elem.getAttributeNode !== "undefined" &&
1149 elem.getAttributeNode("id");
1150 return node && node.value === attrId;
1151 };
1152 };
1153
1154 // Support: IE 6 - 7 only
1155 // getElementById is not reliable as a find shortcut
1156 Expr.find["ID"] = function( id, context ) {
1157 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1158 var node, i, elems,
1159 elem = context.getElementById( id );
1160
1161 if ( elem ) {
1162
1163 // Verify the id attribute
1164 node = elem.getAttributeNode("id");
1165 if ( node && node.value === id ) {
1166 return [ elem ];
1167 }
1168
1169 // Fall back on getElementsByName
1170 elems = context.getElementsByName( id );
1171 i = 0;
1172 while ( (elem = elems[i++]) ) {
1173 node = elem.getAttributeNode("id");
1174 if ( node && node.value === id ) {
1175 return [ elem ];
1176 }
1177 }
1178 }
1179
1180 return [];
1181 }
1182 };
1183 }
1184
1185 // Tag
1186 Expr.find["TAG"] = support.getElementsByTagName ?
1187 function( tag, context ) {
1188 if ( typeof context.getElementsByTagName !== "undefined" ) {
1189 return context.getElementsByTagName( tag );
1190
1191 // DocumentFragment nodes don't have gEBTN
1192 } else if ( support.qsa ) {
1193 return context.querySelectorAll( tag );
1194 }
1195 } :
1196
1197 function( tag, context ) {
1198 var elem,
1199 tmp = [],
1200 i = 0,
1201 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1202 results = context.getElementsByTagName( tag );
1203
1204 // Filter out possible comments
1205 if ( tag === "*" ) {
1206 while ( (elem = results[i++]) ) {
1207 if ( elem.nodeType === 1 ) {
1208 tmp.push( elem );
1209 }
1210 }
1211
1212 return tmp;
1213 }
1214 return results;
1215 };
1216
1217 // Class
1218 Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1219 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1220 return context.getElementsByClassName( className );
1221 }
1222 };
1223
1224 /* QSA/matchesSelector
1225 ---------------------------------------------------------------------- */
1226
1227 // QSA and matchesSelector support
1228
1229 // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1230 rbuggyMatches = [];
1231
1232 // qSa(:focus) reports false when true (Chrome 21)
1233 // We allow this because of a bug in IE8/9 that throws an error
1234 // whenever `document.activeElement` is accessed on an iframe
1235 // So, we allow :focus to pass through QSA all the time to avoid the IE error
1236 // See https://bugs.jquery.com/ticket/13378
1237 rbuggyQSA = [];
1238
1239 if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
1240 // Build QSA regex
1241 // Regex strategy adopted from Diego Perini
1242 assert(function( el ) {
1243 // Select is set to empty string on purpose
1244 // This is to test IE's treatment of not explicitly
1245 // setting a boolean content attribute,
1246 // since its presence should be enough
1247 // https://bugs.jquery.com/ticket/12359
1248 docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1249 "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1250 "<option selected=''></option></select>";
1251
1252 // Support: IE8, Opera 11-12.16
1253 // Nothing should be selected when empty strings follow ^= or $= or *=
1254 // The test attribute must be unknown in Opera but "safe" for WinRT
1255 // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1256 if ( el.querySelectorAll("[msallowcapture^='']").length ) {
1257 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1258 }
1259
1260 // Support: IE8
1261 // Boolean attributes and "value" are not treated correctly
1262 if ( !el.querySelectorAll("[selected]").length ) {
1263 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1264 }
1265
1266 // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1267 if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1268 rbuggyQSA.push("~=");
1269 }
1270
1271 // Webkit/Opera - :checked should return selected option elements
1272 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1273 // IE8 throws error here and will not see later tests
1274 if ( !el.querySelectorAll(":checked").length ) {
1275 rbuggyQSA.push(":checked");
1276 }
1277
1278 // Support: Safari 8+, iOS 8+
1279 // https://bugs.webkit.org/show_bug.cgi?id=136851
1280 // In-page `selector#id sibling-combinator selector` fails
1281 if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1282 rbuggyQSA.push(".#.+[+~]");
1283 }
1284 });
1285
1286 assert(function( el ) {
1287 el.innerHTML = "<a href='' disabled='disabled'></a>" +
1288 "<select disabled='disabled'><option/></select>";
1289
1290 // Support: Windows 8 Native Apps
1291 // The type and name attributes are restricted during .innerHTML assignment
1292 var input = document.createElement("input");
1293 input.setAttribute( "type", "hidden" );
1294 el.appendChild( input ).setAttribute( "name", "D" );
1295
1296 // Support: IE8
1297 // Enforce case-sensitivity of name attribute
1298 if ( el.querySelectorAll("[name=d]").length ) {
1299 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1300 }
1301
1302 // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1303 // IE8 throws error here and will not see later tests
1304 if ( el.querySelectorAll(":enabled").length !== 2 ) {
1305 rbuggyQSA.push( ":enabled", ":disabled" );
1306 }
1307
1308 // Support: IE9-11+
1309 // IE's :disabled selector does not pick up the children of disabled fieldsets
1310 docElem.appendChild( el ).disabled = true;
1311 if ( el.querySelectorAll(":disabled").length !== 2 ) {
1312 rbuggyQSA.push( ":enabled", ":disabled" );
1313 }
1314
1315 // Opera 10-11 does not throw on post-comma invalid pseudos
1316 el.querySelectorAll("*,:x");
1317 rbuggyQSA.push(",.*:");
1318 });
1319 }
1320
1321 if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1322 docElem.webkitMatchesSelector ||
1323 docElem.mozMatchesSelector ||
1324 docElem.oMatchesSelector ||
1325 docElem.msMatchesSelector) )) ) {
1326
1327 assert(function( el ) {
1328 // Check to see if it's possible to do matchesSelector
1329 // on a disconnected node (IE 9)
1330 support.disconnectedMatch = matches.call( el, "*" );
1331
1332 // This should fail with an exception
1333 // Gecko does not error, returns false instead
1334 matches.call( el, "[s!='']:x" );
1335 rbuggyMatches.push( "!=", pseudos );
1336 });
1337 }
1338
1339 rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1340 rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1341
1342 /* Contains
1343 ---------------------------------------------------------------------- */
1344 hasCompare = rnative.test( docElem.compareDocumentPosition );
1345
1346 // Element contains another
1347 // Purposefully self-exclusive
1348 // As in, an element does not contain itself
1349 contains = hasCompare || rnative.test( docElem.contains ) ?
1350 function( a, b ) {
1351 var adown = a.nodeType === 9 ? a.documentElement : a,
1352 bup = b && b.parentNode;
1353 return a === bup || !!( bup && bup.nodeType === 1 && (
1354 adown.contains ?
1355 adown.contains( bup ) :
1356 a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1357 ));
1358 } :
1359 function( a, b ) {
1360 if ( b ) {
1361 while ( (b = b.parentNode) ) {
1362 if ( b === a ) {
1363 return true;
1364 }
1365 }
1366 }
1367 return false;
1368 };
1369
1370 /* Sorting
1371 ---------------------------------------------------------------------- */
1372
1373 // Document order sorting
1374 sortOrder = hasCompare ?
1375 function( a, b ) {
1376
1377 // Flag for duplicate removal
1378 if ( a === b ) {
1379 hasDuplicate = true;
1380 return 0;
1381 }
1382
1383 // Sort on method existence if only one input has compareDocumentPosition
1384 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1385 if ( compare ) {
1386 return compare;
1387 }
1388
1389 // Calculate position if both inputs belong to the same document
1390 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1391 a.compareDocumentPosition( b ) :
1392
1393 // Otherwise we know they are disconnected
1394 1;
1395
1396 // Disconnected nodes
1397 if ( compare & 1 ||
1398 (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1399
1400 // Choose the first element that is related to our preferred document
1401 if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1402 return -1;
1403 }
1404 if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1405 return 1;
1406 }
1407
1408 // Maintain original order
1409 return sortInput ?
1410 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1411 0;
1412 }
1413
1414 return compare & 4 ? -1 : 1;
1415 } :
1416 function( a, b ) {
1417 // Exit early if the nodes are identical
1418 if ( a === b ) {
1419 hasDuplicate = true;
1420 return 0;
1421 }
1422
1423 var cur,
1424 i = 0,
1425 aup = a.parentNode,
1426 bup = b.parentNode,
1427 ap = [ a ],
1428 bp = [ b ];
1429
1430 // Parentless nodes are either documents or disconnected
1431 if ( !aup || !bup ) {
1432 return a === document ? -1 :
1433 b === document ? 1 :
1434 aup ? -1 :
1435 bup ? 1 :
1436 sortInput ?
1437 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1438 0;
1439
1440 // If the nodes are siblings, we can do a quick check
1441 } else if ( aup === bup ) {
1442 return siblingCheck( a, b );
1443 }
1444
1445 // Otherwise we need full lists of their ancestors for comparison
1446 cur = a;
1447 while ( (cur = cur.parentNode) ) {
1448 ap.unshift( cur );
1449 }
1450 cur = b;
1451 while ( (cur = cur.parentNode) ) {
1452 bp.unshift( cur );
1453 }
1454
1455 // Walk down the tree looking for a discrepancy
1456 while ( ap[i] === bp[i] ) {
1457 i++;
1458 }
1459
1460 return i ?
1461 // Do a sibling check if the nodes have a common ancestor
1462 siblingCheck( ap[i], bp[i] ) :
1463
1464 // Otherwise nodes in our document sort first
1465 ap[i] === preferredDoc ? -1 :
1466 bp[i] === preferredDoc ? 1 :
1467 0;
1468 };
1469
1470 return document;
1471 };
1472
1473 Sizzle.matches = function( expr, elements ) {
1474 return Sizzle( expr, null, null, elements );
1475 };
1476
1477 Sizzle.matchesSelector = function( elem, expr ) {
1478 // Set document vars if needed
1479 if ( ( elem.ownerDocument || elem ) !== document ) {
1480 setDocument( elem );
1481 }
1482
1483 // Make sure that attribute selectors are quoted
1484 expr = expr.replace( rattributeQuotes, "='$1']" );
1485
1486 if ( support.matchesSelector && documentIsHTML &&
1487 !compilerCache[ expr + " " ] &&
1488 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1489 ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
1490
1491 try {
1492 var ret = matches.call( elem, expr );
1493
1494 // IE 9's matchesSelector returns false on disconnected nodes
1495 if ( ret || support.disconnectedMatch ||
1496 // As well, disconnected nodes are said to be in a document
1497 // fragment in IE 9
1498 elem.document && elem.document.nodeType !== 11 ) {
1499 return ret;
1500 }
1501 } catch (e) {}
1502 }
1503
1504 return Sizzle( expr, document, null, [ elem ] ).length > 0;
1505 };
1506
1507 Sizzle.contains = function( context, elem ) {
1508 // Set document vars if needed
1509 if ( ( context.ownerDocument || context ) !== document ) {
1510 setDocument( context );
1511 }
1512 return contains( context, elem );
1513 };
1514
1515 Sizzle.attr = function( elem, name ) {
1516 // Set document vars if needed
1517 if ( ( elem.ownerDocument || elem ) !== document ) {
1518 setDocument( elem );
1519 }
1520
1521 var fn = Expr.attrHandle[ name.toLowerCase() ],
1522 // Don't get fooled by Object.prototype properties (jQuery #13807)
1523 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1524 fn( elem, name, !documentIsHTML ) :
1525 undefined;
1526
1527 return val !== undefined ?
1528 val :
1529 support.attributes || !documentIsHTML ?
1530 elem.getAttribute( name ) :
1531 (val = elem.getAttributeNode(name)) && val.specified ?
1532 val.value :
1533 null;
1534 };
1535
1536 Sizzle.escape = function( sel ) {
1537 return (sel + "").replace( rcssescape, fcssescape );
1538 };
1539
1540 Sizzle.error = function( msg ) {
1541 throw new Error( "Syntax error, unrecognized expression: " + msg );
1542 };
1543
1544 /**
1545 * Document sorting and removing duplicates
1546 * @param {ArrayLike} results
1547 */
1548 Sizzle.uniqueSort = function( results ) {
1549 var elem,
1550 duplicates = [],
1551 j = 0,
1552 i = 0;
1553
1554 // Unless we *know* we can detect duplicates, assume their presence
1555 hasDuplicate = !support.detectDuplicates;
1556 sortInput = !support.sortStable && results.slice( 0 );
1557 results.sort( sortOrder );
1558
1559 if ( hasDuplicate ) {
1560 while ( (elem = results[i++]) ) {
1561 if ( elem === results[ i ] ) {
1562 j = duplicates.push( i );
1563 }
1564 }
1565 while ( j-- ) {
1566 results.splice( duplicates[ j ], 1 );
1567 }
1568 }
1569
1570 // Clear input after sorting to release objects
1571 // See https://github.com/jquery/sizzle/pull/225
1572 sortInput = null;
1573
1574 return results;
1575 };
1576
1577 /**
1578 * Utility function for retrieving the text value of an array of DOM nodes
1579 * @param {Array|Element} elem
1580 */
1581 getText = Sizzle.getText = function( elem ) {
1582 var node,
1583 ret = "",
1584 i = 0,
1585 nodeType = elem.nodeType;
1586
1587 if ( !nodeType ) {
1588 // If no nodeType, this is expected to be an array
1589 while ( (node = elem[i++]) ) {
1590 // Do not traverse comment nodes
1591 ret += getText( node );
1592 }
1593 } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1594 // Use textContent for elements
1595 // innerText usage removed for consistency of new lines (jQuery #11153)
1596 if ( typeof elem.textContent === "string" ) {
1597 return elem.textContent;
1598 } else {
1599 // Traverse its children
1600 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1601 ret += getText( elem );
1602 }
1603 }
1604 } else if ( nodeType === 3 || nodeType === 4 ) {
1605 return elem.nodeValue;
1606 }
1607 // Do not include comment or processing instruction nodes
1608
1609 return ret;
1610 };
1611
1612 Expr = Sizzle.selectors = {
1613
1614 // Can be adjusted by the user
1615 cacheLength: 50,
1616
1617 createPseudo: markFunction,
1618
1619 match: matchExpr,
1620
1621 attrHandle: {},
1622
1623 find: {},
1624
1625 relative: {
1626 ">": { dir: "parentNode", first: true },
1627 " ": { dir: "parentNode" },
1628 "+": { dir: "previousSibling", first: true },
1629 "~": { dir: "previousSibling" }
1630 },
1631
1632 preFilter: {
1633 "ATTR": function( match ) {
1634 match[1] = match[1].replace( runescape, funescape );
1635
1636 // Move the given value to match[3] whether quoted or unquoted
1637 match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1638
1639 if ( match[2] === "~=" ) {
1640 match[3] = " " + match[3] + " ";
1641 }
1642
1643 return match.slice( 0, 4 );
1644 },
1645
1646 "CHILD": function( match ) {
1647 /* matches from matchExpr["CHILD"]
1648 1 type (only|nth|...)
1649 2 what (child|of-type)
1650 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1651 4 xn-component of xn+y argument ([+-]?\d*n|)
1652 5 sign of xn-component
1653 6 x of xn-component
1654 7 sign of y-component
1655 8 y of y-component
1656 */
1657 match[1] = match[1].toLowerCase();
1658
1659 if ( match[1].slice( 0, 3 ) === "nth" ) {
1660 // nth-* requires argument
1661 if ( !match[3] ) {
1662 Sizzle.error( match[0] );
1663 }
1664
1665 // numeric x and y parameters for Expr.filter.CHILD
1666 // remember that false/true cast respectively to 0/1
1667 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1668 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1669
1670 // other types prohibit arguments
1671 } else if ( match[3] ) {
1672 Sizzle.error( match[0] );
1673 }
1674
1675 return match;
1676 },
1677
1678 "PSEUDO": function( match ) {
1679 var excess,
1680 unquoted = !match[6] && match[2];
1681
1682 if ( matchExpr["CHILD"].test( match[0] ) ) {
1683 return null;
1684 }
1685
1686 // Accept quoted arguments as-is
1687 if ( match[3] ) {
1688 match[2] = match[4] || match[5] || "";
1689
1690 // Strip excess characters from unquoted arguments
1691 } else if ( unquoted && rpseudo.test( unquoted ) &&
1692 // Get excess from tokenize (recursively)
1693 (excess = tokenize( unquoted, true )) &&
1694 // advance to the next closing parenthesis
1695 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1696
1697 // excess is a negative index
1698 match[0] = match[0].slice( 0, excess );
1699 match[2] = unquoted.slice( 0, excess );
1700 }
1701
1702 // Return only captures needed by the pseudo filter method (type and argument)
1703 return match.slice( 0, 3 );
1704 }
1705 },
1706
1707 filter: {
1708
1709 "TAG": function( nodeNameSelector ) {
1710 var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1711 return nodeNameSelector === "*" ?
1712 function() { return true; } :
1713 function( elem ) {
1714 return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1715 };
1716 },
1717
1718 "CLASS": function( className ) {
1719 var pattern = classCache[ className + " " ];
1720
1721 return pattern ||
1722 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1723 classCache( className, function( elem ) {
1724 return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1725 });
1726 },
1727
1728 "ATTR": function( name, operator, check ) {
1729 return function( elem ) {
1730 var result = Sizzle.attr( elem, name );
1731
1732 if ( result == null ) {
1733 return operator === "!=";
1734 }
1735 if ( !operator ) {
1736 return true;
1737 }
1738
1739 result += "";
1740
1741 return operator === "=" ? result === check :
1742 operator === "!=" ? result !== check :
1743 operator === "^=" ? check && result.indexOf( check ) === 0 :
1744 operator === "*=" ? check && result.indexOf( check ) > -1 :
1745 operator === "$=" ? check && result.slice( -check.length ) === check :
1746 operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1747 operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1748 false;
1749 };
1750 },
1751
1752 "CHILD": function( type, what, argument, first, last ) {
1753 var simple = type.slice( 0, 3 ) !== "nth",
1754 forward = type.slice( -4 ) !== "last",
1755 ofType = what === "of-type";
1756
1757 return first === 1 && last === 0 ?
1758
1759 // Shortcut for :nth-*(n)
1760 function( elem ) {
1761 return !!elem.parentNode;
1762 } :
1763
1764 function( elem, context, xml ) {
1765 var cache, uniqueCache, outerCache, node, nodeIndex, start,
1766 dir = simple !== forward ? "nextSibling" : "previousSibling",
1767 parent = elem.parentNode,
1768 name = ofType && elem.nodeName.toLowerCase(),
1769 useCache = !xml && !ofType,
1770 diff = false;
1771
1772 if ( parent ) {
1773
1774 // :(first|last|only)-(child|of-type)
1775 if ( simple ) {
1776 while ( dir ) {
1777 node = elem;
1778 while ( (node = node[ dir ]) ) {
1779 if ( ofType ?
1780 node.nodeName.toLowerCase() === name :
1781 node.nodeType === 1 ) {
1782
1783 return false;
1784 }
1785 }
1786 // Reverse direction for :only-* (if we haven't yet done so)
1787 start = dir = type === "only" && !start && "nextSibling";
1788 }
1789 return true;
1790 }
1791
1792 start = [ forward ? parent.firstChild : parent.lastChild ];
1793
1794 // non-xml :nth-child(...) stores cache data on `parent`
1795 if ( forward && useCache ) {
1796
1797 // Seek `elem` from a previously-cached index
1798
1799 // ...in a gzip-friendly way
1800 node = parent;
1801 outerCache = node[ expando ] || (node[ expando ] = {});
1802
1803 // Support: IE <9 only
1804 // Defend against cloned attroperties (jQuery gh-1709)
1805 uniqueCache = outerCache[ node.uniqueID ] ||
1806 (outerCache[ node.uniqueID ] = {});
1807
1808 cache = uniqueCache[ type ] || [];
1809 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1810 diff = nodeIndex && cache[ 2 ];
1811 node = nodeIndex && parent.childNodes[ nodeIndex ];
1812
1813 while ( (node = ++nodeIndex && node && node[ dir ] ||
1814
1815 // Fallback to seeking `elem` from the start
1816 (diff = nodeIndex = 0) || start.pop()) ) {
1817
1818 // When found, cache indexes on `parent` and break
1819 if ( node.nodeType === 1 && ++diff && node === elem ) {
1820 uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1821 break;
1822 }
1823 }
1824
1825 } else {
1826 // Use previously-cached element index if available
1827 if ( useCache ) {
1828 // ...in a gzip-friendly way
1829 node = elem;
1830 outerCache = node[ expando ] || (node[ expando ] = {});
1831
1832 // Support: IE <9 only
1833 // Defend against cloned attroperties (jQuery gh-1709)
1834 uniqueCache = outerCache[ node.uniqueID ] ||
1835 (outerCache[ node.uniqueID ] = {});
1836
1837 cache = uniqueCache[ type ] || [];
1838 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1839 diff = nodeIndex;
1840 }
1841
1842 // xml :nth-child(...)
1843 // or :nth-last-child(...) or :nth(-last)?-of-type(...)
1844 if ( diff === false ) {
1845 // Use the same loop as above to seek `elem` from the start
1846 while ( (node = ++nodeIndex && node && node[ dir ] ||
1847 (diff = nodeIndex = 0) || start.pop()) ) {
1848
1849 if ( ( ofType ?
1850 node.nodeName.toLowerCase() === name :
1851 node.nodeType === 1 ) &&
1852 ++diff ) {
1853
1854 // Cache the index of each encountered element
1855 if ( useCache ) {
1856 outerCache = node[ expando ] || (node[ expando ] = {});
1857
1858 // Support: IE <9 only
1859 // Defend against cloned attroperties (jQuery gh-1709)
1860 uniqueCache = outerCache[ node.uniqueID ] ||
1861 (outerCache[ node.uniqueID ] = {});
1862
1863 uniqueCache[ type ] = [ dirruns, diff ];
1864 }
1865
1866 if ( node === elem ) {
1867 break;
1868 }
1869 }
1870 }
1871 }
1872 }
1873
1874 // Incorporate the offset, then check against cycle size
1875 diff -= last;
1876 return diff === first || ( diff % first === 0 && diff / first >= 0 );
1877 }
1878 };
1879 },
1880
1881 "PSEUDO": function( pseudo, argument ) {
1882 // pseudo-class names are case-insensitive
1883 // http://www.w3.org/TR/selectors/#pseudo-classes
1884 // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1885 // Remember that setFilters inherits from pseudos
1886 var args,
1887 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1888 Sizzle.error( "unsupported pseudo: " + pseudo );
1889
1890 // The user may use createPseudo to indicate that
1891 // arguments are needed to create the filter function
1892 // just as Sizzle does
1893 if ( fn[ expando ] ) {
1894 return fn( argument );
1895 }
1896
1897 // But maintain support for old signatures
1898 if ( fn.length > 1 ) {
1899 args = [ pseudo, pseudo, "", argument ];
1900 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1901 markFunction(function( seed, matches ) {
1902 var idx,
1903 matched = fn( seed, argument ),
1904 i = matched.length;
1905 while ( i-- ) {
1906 idx = indexOf( seed, matched[i] );
1907 seed[ idx ] = !( matches[ idx ] = matched[i] );
1908 }
1909 }) :
1910 function( elem ) {
1911 return fn( elem, 0, args );
1912 };
1913 }
1914
1915 return fn;
1916 }
1917 },
1918
1919 pseudos: {
1920 // Potentially complex pseudos
1921 "not": markFunction(function( selector ) {
1922 // Trim the selector passed to compile
1923 // to avoid treating leading and trailing
1924 // spaces as combinators
1925 var input = [],
1926 results = [],
1927 matcher = compile( selector.replace( rtrim, "$1" ) );
1928
1929 return matcher[ expando ] ?
1930 markFunction(function( seed, matches, context, xml ) {
1931 var elem,
1932 unmatched = matcher( seed, null, xml, [] ),
1933 i = seed.length;
1934
1935 // Match elements unmatched by `matcher`
1936 while ( i-- ) {
1937 if ( (elem = unmatched[i]) ) {
1938 seed[i] = !(matches[i] = elem);
1939 }
1940 }
1941 }) :
1942 function( elem, context, xml ) {
1943 input[0] = elem;
1944 matcher( input, null, xml, results );
1945 // Don't keep the element (issue #299)
1946 input[0] = null;
1947 return !results.pop();
1948 };
1949 }),
1950
1951 "has": markFunction(function( selector ) {
1952 return function( elem ) {
1953 return Sizzle( selector, elem ).length > 0;
1954 };
1955 }),
1956
1957 "contains": markFunction(function( text ) {
1958 text = text.replace( runescape, funescape );
1959 return function( elem ) {
1960 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
1961 };
1962 }),
1963
1964 // "Whether an element is represented by a :lang() selector
1965 // is based solely on the element's language value
1966 // being equal to the identifier C,
1967 // or beginning with the identifier C immediately followed by "-".
1968 // The matching of C against the element's language value is performed case-insensitively.
1969 // The identifier C does not have to be a valid language name."
1970 // http://www.w3.org/TR/selectors/#lang-pseudo
1971 "lang": markFunction( function( lang ) {
1972 // lang value must be a valid identifier
1973 if ( !ridentifier.test(lang || "") ) {
1974 Sizzle.error( "unsupported lang: " + lang );
1975 }
1976 lang = lang.replace( runescape, funescape ).toLowerCase();
1977 return function( elem ) {
1978 var elemLang;
1979 do {
1980 if ( (elemLang = documentIsHTML ?
1981 elem.lang :
1982 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
1983
1984 elemLang = elemLang.toLowerCase();
1985 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
1986 }
1987 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
1988 return false;
1989 };
1990 }),
1991
1992 // Miscellaneous
1993 "target": function( elem ) {
1994 var hash = window.location && window.location.hash;
1995 return hash && hash.slice( 1 ) === elem.id;
1996 },
1997
1998 "root": function( elem ) {
1999 return elem === docElem;
2000 },
2001
2002 "focus": function( elem ) {
2003 return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2004 },
2005
2006 // Boolean properties
2007 "enabled": createDisabledPseudo( false ),
2008 "disabled": createDisabledPseudo( true ),
2009
2010 "checked": function( elem ) {
2011 // In CSS3, :checked should return both checked and selected elements
2012 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2013 var nodeName = elem.nodeName.toLowerCase();
2014 return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2015 },
2016
2017 "selected": function( elem ) {
2018 // Accessing this property makes selected-by-default
2019 // options in Safari work properly
2020 if ( elem.parentNode ) {
2021 elem.parentNode.selectedIndex;
2022 }
2023
2024 return elem.selected === true;
2025 },
2026
2027 // Contents
2028 "empty": function( elem ) {
2029 // http://www.w3.org/TR/selectors/#empty-pseudo
2030 // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2031 // but not by others (comment: 8; processing instruction: 7; etc.)
2032 // nodeType < 6 works because attributes (2) do not appear as children
2033 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2034 if ( elem.nodeType < 6 ) {
2035 return false;
2036 }
2037 }
2038 return true;
2039 },
2040
2041 "parent": function( elem ) {
2042 return !Expr.pseudos["empty"]( elem );
2043 },
2044
2045 // Element/input types
2046 "header": function( elem ) {
2047 return rheader.test( elem.nodeName );
2048 },
2049
2050 "input": function( elem ) {
2051 return rinputs.test( elem.nodeName );
2052 },
2053
2054 "button": function( elem ) {
2055 var name = elem.nodeName.toLowerCase();
2056 return name === "input" && elem.type === "button" || name === "button";
2057 },
2058
2059 "text": function( elem ) {
2060 var attr;
2061 return elem.nodeName.toLowerCase() === "input" &&
2062 elem.type === "text" &&
2063
2064 // Support: IE<8
2065 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2066 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
2067 },
2068
2069 // Position-in-collection
2070 "first": createPositionalPseudo(function() {
2071 return [ 0 ];
2072 }),
2073
2074 "last": createPositionalPseudo(function( matchIndexes, length ) {
2075 return [ length - 1 ];
2076 }),
2077
2078 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2079 return [ argument < 0 ? argument + length : argument ];
2080 }),
2081
2082 "even": createPositionalPseudo(function( matchIndexes, length ) {
2083 var i = 0;
2084 for ( ; i < length; i += 2 ) {
2085 matchIndexes.push( i );
2086 }
2087 return matchIndexes;
2088 }),
2089
2090 "odd": createPositionalPseudo(function( matchIndexes, length ) {
2091 var i = 1;
2092 for ( ; i < length; i += 2 ) {
2093 matchIndexes.push( i );
2094 }
2095 return matchIndexes;
2096 }),
2097
2098 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2099 var i = argument < 0 ? argument + length : argument;
2100 for ( ; --i >= 0; ) {
2101 matchIndexes.push( i );
2102 }
2103 return matchIndexes;
2104 }),
2105
2106 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2107 var i = argument < 0 ? argument + length : argument;
2108 for ( ; ++i < length; ) {
2109 matchIndexes.push( i );
2110 }
2111 return matchIndexes;
2112 })
2113 }
2114 };
2115
2116 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2117
2118 // Add button/input type pseudos
2119 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2120 Expr.pseudos[ i ] = createInputPseudo( i );
2121 }
2122 for ( i in { submit: true, reset: true } ) {
2123 Expr.pseudos[ i ] = createButtonPseudo( i );
2124 }
2125
2126 // Easy API for creating new setFilters
2127 function setFilters() {}
2128 setFilters.prototype = Expr.filters = Expr.pseudos;
2129 Expr.setFilters = new setFilters();
2130
2131 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2132 var matched, match, tokens, type,
2133 soFar, groups, preFilters,
2134 cached = tokenCache[ selector + " " ];
2135
2136 if ( cached ) {
2137 return parseOnly ? 0 : cached.slice( 0 );
2138 }
2139
2140 soFar = selector;
2141 groups = [];
2142 preFilters = Expr.preFilter;
2143
2144 while ( soFar ) {
2145
2146 // Comma and first run
2147 if ( !matched || (match = rcomma.exec( soFar )) ) {
2148 if ( match ) {
2149 // Don't consume trailing commas as valid
2150 soFar = soFar.slice( match[0].length ) || soFar;
2151 }
2152 groups.push( (tokens = []) );
2153 }
2154
2155 matched = false;
2156
2157 // Combinators
2158 if ( (match = rcombinators.exec( soFar )) ) {
2159 matched = match.shift();
2160 tokens.push({
2161 value: matched,
2162 // Cast descendant combinators to space
2163 type: match[0].replace( rtrim, " " )
2164 });
2165 soFar = soFar.slice( matched.length );
2166 }
2167
2168 // Filters
2169 for ( type in Expr.filter ) {
2170 if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2171 (match = preFilters[ type ]( match ))) ) {
2172 matched = match.shift();
2173 tokens.push({
2174 value: matched,
2175 type: type,
2176 matches: match
2177 });
2178 soFar = soFar.slice( matched.length );
2179 }
2180 }
2181
2182 if ( !matched ) {
2183 break;
2184 }
2185 }
2186
2187 // Return the length of the invalid excess
2188 // if we're just parsing
2189 // Otherwise, throw an error or return tokens
2190 return parseOnly ?
2191 soFar.length :
2192 soFar ?
2193 Sizzle.error( selector ) :
2194 // Cache the tokens
2195 tokenCache( selector, groups ).slice( 0 );
2196 };
2197
2198 function toSelector( tokens ) {
2199 var i = 0,
2200 len = tokens.length,
2201 selector = "";
2202 for ( ; i < len; i++ ) {
2203 selector += tokens[i].value;
2204 }
2205 return selector;
2206 }
2207
2208 function addCombinator( matcher, combinator, base ) {
2209 var dir = combinator.dir,
2210 skip = combinator.next,
2211 key = skip || dir,
2212 checkNonElements = base && key === "parentNode",
2213 doneName = done++;
2214
2215 return combinator.first ?
2216 // Check against closest ancestor/preceding element
2217 function( elem, context, xml ) {
2218 while ( (elem = elem[ dir ]) ) {
2219 if ( elem.nodeType === 1 || checkNonElements ) {
2220 return matcher( elem, context, xml );
2221 }
2222 }
2223 return false;
2224 } :
2225
2226 // Check against all ancestor/preceding elements
2227 function( elem, context, xml ) {
2228 var oldCache, uniqueCache, outerCache,
2229 newCache = [ dirruns, doneName ];
2230
2231 // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2232 if ( xml ) {
2233 while ( (elem = elem[ dir ]) ) {
2234 if ( elem.nodeType === 1 || checkNonElements ) {
2235 if ( matcher( elem, context, xml ) ) {
2236 return true;
2237 }
2238 }
2239 }
2240 } else {
2241 while ( (elem = elem[ dir ]) ) {
2242 if ( elem.nodeType === 1 || checkNonElements ) {
2243 outerCache = elem[ expando ] || (elem[ expando ] = {});
2244
2245 // Support: IE <9 only
2246 // Defend against cloned attroperties (jQuery gh-1709)
2247 uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
2248
2249 if ( skip && skip === elem.nodeName.toLowerCase() ) {
2250 elem = elem[ dir ] || elem;
2251 } else if ( (oldCache = uniqueCache[ key ]) &&
2252 oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2253
2254 // Assign to newCache so results back-propagate to previous elements
2255 return (newCache[ 2 ] = oldCache[ 2 ]);
2256 } else {
2257 // Reuse newcache so results back-propagate to previous elements
2258 uniqueCache[ key ] = newCache;
2259
2260 // A match means we're done; a fail means we have to keep checking
2261 if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2262 return true;
2263 }
2264 }
2265 }
2266 }
2267 }
2268 return false;
2269 };
2270 }
2271
2272 function elementMatcher( matchers ) {
2273 return matchers.length > 1 ?
2274 function( elem, context, xml ) {
2275 var i = matchers.length;
2276 while ( i-- ) {
2277 if ( !matchers[i]( elem, context, xml ) ) {
2278 return false;
2279 }
2280 }
2281 return true;
2282 } :
2283 matchers[0];
2284 }
2285
2286 function multipleContexts( selector, contexts, results ) {
2287 var i = 0,
2288 len = contexts.length;
2289 for ( ; i < len; i++ ) {
2290 Sizzle( selector, contexts[i], results );
2291 }
2292 return results;
2293 }
2294
2295 function condense( unmatched, map, filter, context, xml ) {
2296 var elem,
2297 newUnmatched = [],
2298 i = 0,
2299 len = unmatched.length,
2300 mapped = map != null;
2301
2302 for ( ; i < len; i++ ) {
2303 if ( (elem = unmatched[i]) ) {
2304 if ( !filter || filter( elem, context, xml ) ) {
2305 newUnmatched.push( elem );
2306 if ( mapped ) {
2307 map.push( i );
2308 }
2309 }
2310 }
2311 }
2312
2313 return newUnmatched;
2314 }
2315
2316 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2317 if ( postFilter && !postFilter[ expando ] ) {
2318 postFilter = setMatcher( postFilter );
2319 }
2320 if ( postFinder && !postFinder[ expando ] ) {
2321 postFinder = setMatcher( postFinder, postSelector );
2322 }
2323 return markFunction(function( seed, results, context, xml ) {
2324 var temp, i, elem,
2325 preMap = [],
2326 postMap = [],
2327 preexisting = results.length,
2328
2329 // Get initial elements from seed or context
2330 elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2331
2332 // Prefilter to get matcher input, preserving a map for seed-results synchronization
2333 matcherIn = preFilter && ( seed || !selector ) ?
2334 condense( elems, preMap, preFilter, context, xml ) :
2335 elems,
2336
2337 matcherOut = matcher ?
2338 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2339 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2340
2341 // ...intermediate processing is necessary
2342 [] :
2343
2344 // ...otherwise use results directly
2345 results :
2346 matcherIn;
2347
2348 // Find primary matches
2349 if ( matcher ) {
2350 matcher( matcherIn, matcherOut, context, xml );
2351 }
2352
2353 // Apply postFilter
2354 if ( postFilter ) {
2355 temp = condense( matcherOut, postMap );
2356 postFilter( temp, [], context, xml );
2357
2358 // Un-match failing elements by moving them back to matcherIn
2359 i = temp.length;
2360 while ( i-- ) {
2361 if ( (elem = temp[i]) ) {
2362 matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2363 }
2364 }
2365 }
2366
2367 if ( seed ) {
2368 if ( postFinder || preFilter ) {
2369 if ( postFinder ) {
2370 // Get the final matcherOut by condensing this intermediate into postFinder contexts
2371 temp = [];
2372 i = matcherOut.length;
2373 while ( i-- ) {
2374 if ( (elem = matcherOut[i]) ) {
2375 // Restore matcherIn since elem is not yet a final match
2376 temp.push( (matcherIn[i] = elem) );
2377 }
2378 }
2379 postFinder( null, (matcherOut = []), temp, xml );
2380 }
2381
2382 // Move matched elements from seed to results to keep them synchronized
2383 i = matcherOut.length;
2384 while ( i-- ) {
2385 if ( (elem = matcherOut[i]) &&
2386 (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2387
2388 seed[temp] = !(results[temp] = elem);
2389 }
2390 }
2391 }
2392
2393 // Add elements to results, through postFinder if defined
2394 } else {
2395 matcherOut = condense(
2396 matcherOut === results ?
2397 matcherOut.splice( preexisting, matcherOut.length ) :
2398 matcherOut
2399 );
2400 if ( postFinder ) {
2401 postFinder( null, results, matcherOut, xml );
2402 } else {
2403 push.apply( results, matcherOut );
2404 }
2405 }
2406 });
2407 }
2408
2409 function matcherFromTokens( tokens ) {
2410 var checkContext, matcher, j,
2411 len = tokens.length,
2412 leadingRelative = Expr.relative[ tokens[0].type ],
2413 implicitRelative = leadingRelative || Expr.relative[" "],
2414 i = leadingRelative ? 1 : 0,
2415
2416 // The foundational matcher ensures that elements are reachable from top-level context(s)
2417 matchContext = addCombinator( function( elem ) {
2418 return elem === checkContext;
2419 }, implicitRelative, true ),
2420 matchAnyContext = addCombinator( function( elem ) {
2421 return indexOf( checkContext, elem ) > -1;
2422 }, implicitRelative, true ),
2423 matchers = [ function( elem, context, xml ) {
2424 var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2425 (checkContext = context).nodeType ?
2426 matchContext( elem, context, xml ) :
2427 matchAnyContext( elem, context, xml ) );
2428 // Avoid hanging onto element (issue #299)
2429 checkContext = null;
2430 return ret;
2431 } ];
2432
2433 for ( ; i < len; i++ ) {
2434 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2435 matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2436 } else {
2437 matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2438
2439 // Return special upon seeing a positional matcher
2440 if ( matcher[ expando ] ) {
2441 // Find the next relative operator (if any) for proper handling
2442 j = ++i;
2443 for ( ; j < len; j++ ) {
2444 if ( Expr.relative[ tokens[j].type ] ) {
2445 break;
2446 }
2447 }
2448 return setMatcher(
2449 i > 1 && elementMatcher( matchers ),
2450 i > 1 && toSelector(
2451 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2452 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2453 ).replace( rtrim, "$1" ),
2454 matcher,
2455 i < j && matcherFromTokens( tokens.slice( i, j ) ),
2456 j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2457 j < len && toSelector( tokens )
2458 );
2459 }
2460 matchers.push( matcher );
2461 }
2462 }
2463
2464 return elementMatcher( matchers );
2465 }
2466
2467 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2468 var bySet = setMatchers.length > 0,
2469 byElement = elementMatchers.length > 0,
2470 superMatcher = function( seed, context, xml, results, outermost ) {
2471 var elem, j, matcher,
2472 matchedCount = 0,
2473 i = "0",
2474 unmatched = seed && [],
2475 setMatched = [],
2476 contextBackup = outermostContext,
2477 // We must always have either seed elements or outermost context
2478 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2479 // Use integer dirruns iff this is the outermost matcher
2480 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2481 len = elems.length;
2482
2483 if ( outermost ) {
2484 outermostContext = context === document || context || outermost;
2485 }
2486
2487 // Add elements passing elementMatchers directly to results
2488 // Support: IE<9, Safari
2489 // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2490 for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2491 if ( byElement && elem ) {
2492 j = 0;
2493 if ( !context && elem.ownerDocument !== document ) {
2494 setDocument( elem );
2495 xml = !documentIsHTML;
2496 }
2497 while ( (matcher = elementMatchers[j++]) ) {
2498 if ( matcher( elem, context || document, xml) ) {
2499 results.push( elem );
2500 break;
2501 }
2502 }
2503 if ( outermost ) {
2504 dirruns = dirrunsUnique;
2505 }
2506 }
2507
2508 // Track unmatched elements for set filters
2509 if ( bySet ) {
2510 // They will have gone through all possible matchers
2511 if ( (elem = !matcher && elem) ) {
2512 matchedCount--;
2513 }
2514
2515 // Lengthen the array for every element, matched or not
2516 if ( seed ) {
2517 unmatched.push( elem );
2518 }
2519 }
2520 }
2521
2522 // `i` is now the count of elements visited above, and adding it to `matchedCount`
2523 // makes the latter nonnegative.
2524 matchedCount += i;
2525
2526 // Apply set filters to unmatched elements
2527 // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2528 // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2529 // no element matchers and no seed.
2530 // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2531 // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2532 // numerically zero.
2533 if ( bySet && i !== matchedCount ) {
2534 j = 0;
2535 while ( (matcher = setMatchers[j++]) ) {
2536 matcher( unmatched, setMatched, context, xml );
2537 }
2538
2539 if ( seed ) {
2540 // Reintegrate element matches to eliminate the need for sorting
2541 if ( matchedCount > 0 ) {
2542 while ( i-- ) {
2543 if ( !(unmatched[i] || setMatched[i]) ) {
2544 setMatched[i] = pop.call( results );
2545 }
2546 }
2547 }
2548
2549 // Discard index placeholder values to get only actual matches
2550 setMatched = condense( setMatched );
2551 }
2552
2553 // Add matches to results
2554 push.apply( results, setMatched );
2555
2556 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2557 if ( outermost && !seed && setMatched.length > 0 &&
2558 ( matchedCount + setMatchers.length ) > 1 ) {
2559
2560 Sizzle.uniqueSort( results );
2561 }
2562 }
2563
2564 // Override manipulation of globals by nested matchers
2565 if ( outermost ) {
2566 dirruns = dirrunsUnique;
2567 outermostContext = contextBackup;
2568 }
2569
2570 return unmatched;
2571 };
2572
2573 return bySet ?
2574 markFunction( superMatcher ) :
2575 superMatcher;
2576 }
2577
2578 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2579 var i,
2580 setMatchers = [],
2581 elementMatchers = [],
2582 cached = compilerCache[ selector + " " ];
2583
2584 if ( !cached ) {
2585 // Generate a function of recursive functions that can be used to check each element
2586 if ( !match ) {
2587 match = tokenize( selector );
2588 }
2589 i = match.length;
2590 while ( i-- ) {
2591 cached = matcherFromTokens( match[i] );
2592 if ( cached[ expando ] ) {
2593 setMatchers.push( cached );
2594 } else {
2595 elementMatchers.push( cached );
2596 }
2597 }
2598
2599 // Cache the compiled function
2600 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2601
2602 // Save selector and tokenization
2603 cached.selector = selector;
2604 }
2605 return cached;
2606 };
2607
2608 /**
2609 * A low-level selection function that works with Sizzle's compiled
2610 * selector functions
2611 * @param {String|Function} selector A selector or a pre-compiled
2612 * selector function built with Sizzle.compile
2613 * @param {Element} context
2614 * @param {Array} [results]
2615 * @param {Array} [seed] A set of elements to match against
2616 */
2617 select = Sizzle.select = function( selector, context, results, seed ) {
2618 var i, tokens, token, type, find,
2619 compiled = typeof selector === "function" && selector,
2620 match = !seed && tokenize( (selector = compiled.selector || selector) );
2621
2622 results = results || [];
2623
2624 // Try to minimize operations if there is only one selector in the list and no seed
2625 // (the latter of which guarantees us context)
2626 if ( match.length === 1 ) {
2627
2628 // Reduce context if the leading compound selector is an ID
2629 tokens = match[0] = match[0].slice( 0 );
2630 if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2631 context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
2632
2633 context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2634 if ( !context ) {
2635 return results;
2636
2637 // Precompiled matchers will still verify ancestry, so step up a level
2638 } else if ( compiled ) {
2639 context = context.parentNode;
2640 }
2641
2642 selector = selector.slice( tokens.shift().value.length );
2643 }
2644
2645 // Fetch a seed set for right-to-left matching
2646 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2647 while ( i-- ) {
2648 token = tokens[i];
2649
2650 // Abort if we hit a combinator
2651 if ( Expr.relative[ (type = token.type) ] ) {
2652 break;
2653 }
2654 if ( (find = Expr.find[ type ]) ) {
2655 // Search, expanding context for leading sibling combinators
2656 if ( (seed = find(
2657 token.matches[0].replace( runescape, funescape ),
2658 rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2659 )) ) {
2660
2661 // If seed is empty or no tokens remain, we can return early
2662 tokens.splice( i, 1 );
2663 selector = seed.length && toSelector( tokens );
2664 if ( !selector ) {
2665 push.apply( results, seed );
2666 return results;
2667 }
2668
2669 break;
2670 }
2671 }
2672 }
2673 }
2674
2675 // Compile and execute a filtering function if one is not provided
2676 // Provide `match` to avoid retokenization if we modified the selector above
2677 ( compiled || compile( selector, match ) )(
2678 seed,
2679 context,
2680 !documentIsHTML,
2681 results,
2682 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2683 );
2684 return results;
2685 };
2686
2687 // One-time assignments
2688
2689 // Sort stability
2690 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2691
2692 // Support: Chrome 14-35+
2693 // Always assume duplicates if they aren't passed to the comparison function
2694 support.detectDuplicates = !!hasDuplicate;
2695
2696 // Initialize against the default document
2697 setDocument();
2698
2699 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2700 // Detached nodes confoundingly follow *each other*
2701 support.sortDetached = assert(function( el ) {
2702 // Should return 1, but returns 4 (following)
2703 return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
2704 });
2705
2706 // Support: IE<8
2707 // Prevent attribute/property "interpolation"
2708 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2709 if ( !assert(function( el ) {
2710 el.innerHTML = "<a href='#'></a>";
2711 return el.firstChild.getAttribute("href") === "#" ;
2712 }) ) {
2713 addHandle( "type|href|height|width", function( elem, name, isXML ) {
2714 if ( !isXML ) {
2715 return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2716 }
2717 });
2718 }
2719
2720 // Support: IE<9
2721 // Use defaultValue in place of getAttribute("value")
2722 if ( !support.attributes || !assert(function( el ) {
2723 el.innerHTML = "<input/>";
2724 el.firstChild.setAttribute( "value", "" );
2725 return el.firstChild.getAttribute( "value" ) === "";
2726 }) ) {
2727 addHandle( "value", function( elem, name, isXML ) {
2728 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2729 return elem.defaultValue;
2730 }
2731 });
2732 }
2733
2734 // Support: IE<9
2735 // Use getAttributeNode to fetch booleans when getAttribute lies
2736 if ( !assert(function( el ) {
2737 return el.getAttribute("disabled") == null;
2738 }) ) {
2739 addHandle( booleans, function( elem, name, isXML ) {
2740 var val;
2741 if ( !isXML ) {
2742 return elem[ name ] === true ? name.toLowerCase() :
2743 (val = elem.getAttributeNode( name )) && val.specified ?
2744 val.value :
2745 null;
2746 }
2747 });
2748 }
2749
2750 return Sizzle;
2751
2752 })( window );
2753
2754
2755
2756 jQuery.find = Sizzle;
2757 jQuery.expr = Sizzle.selectors;
2758
2759 // Deprecated
2760 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2761 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2762 jQuery.text = Sizzle.getText;
2763 jQuery.isXMLDoc = Sizzle.isXML;
2764 jQuery.contains = Sizzle.contains;
2765 jQuery.escapeSelector = Sizzle.escape;
2766
2767
2768
2769
2770 var dir = function( elem, dir, until ) {
2771 var matched = [],
2772 truncate = until !== undefined;
2773
2774 while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2775 if ( elem.nodeType === 1 ) {
2776 if ( truncate && jQuery( elem ).is( until ) ) {
2777 break;
2778 }
2779 matched.push( elem );
2780 }
2781 }
2782 return matched;
2783 };
2784
2785
2786 var siblings = function( n, elem ) {
2787 var matched = [];
2788
2789 for ( ; n; n = n.nextSibling ) {
2790 if ( n.nodeType === 1 && n !== elem ) {
2791 matched.push( n );
2792 }
2793 }
2794
2795 return matched;
2796 };
2797
2798
2799 var rneedsContext = jQuery.expr.match.needsContext;
2800
2801
2802
2803 function nodeName( elem, name ) {
2804
2805 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
2806
2807 };
2808 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
2809
2810
2811
2812 // Implement the identical functionality for filter and not
2813 function winnow( elements, qualifier, not ) {
2814 if ( isFunction( qualifier ) ) {
2815 return jQuery.grep( elements, function( elem, i ) {
2816 return !!qualifier.call( elem, i, elem ) !== not;
2817 } );
2818 }
2819
2820 // Single element
2821 if ( qualifier.nodeType ) {
2822 return jQuery.grep( elements, function( elem ) {
2823 return ( elem === qualifier ) !== not;
2824 } );
2825 }
2826
2827 // Arraylike of elements (jQuery, arguments, Array)
2828 if ( typeof qualifier !== "string" ) {
2829 return jQuery.grep( elements, function( elem ) {
2830 return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
2831 } );
2832 }
2833
2834 // Filtered directly for both simple and complex selectors
2835 return jQuery.filter( qualifier, elements, not );
2836 }
2837
2838 jQuery.filter = function( expr, elems, not ) {
2839 var elem = elems[ 0 ];
2840
2841 if ( not ) {
2842 expr = ":not(" + expr + ")";
2843 }
2844
2845 if ( elems.length === 1 && elem.nodeType === 1 ) {
2846 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
2847 }
2848
2849 return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2850 return elem.nodeType === 1;
2851 } ) );
2852 };
2853
2854 jQuery.fn.extend( {
2855 find: function( selector ) {
2856 var i, ret,
2857 len = this.length,
2858 self = this;
2859
2860 if ( typeof selector !== "string" ) {
2861 return this.pushStack( jQuery( selector ).filter( function() {
2862 for ( i = 0; i < len; i++ ) {
2863 if ( jQuery.contains( self[ i ], this ) ) {
2864 return true;
2865 }
2866 }
2867 } ) );
2868 }
2869
2870 ret = this.pushStack( [] );
2871
2872 for ( i = 0; i < len; i++ ) {
2873 jQuery.find( selector, self[ i ], ret );
2874 }
2875
2876 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2877 },
2878 filter: function( selector ) {
2879 return this.pushStack( winnow( this, selector || [], false ) );
2880 },
2881 not: function( selector ) {
2882 return this.pushStack( winnow( this, selector || [], true ) );
2883 },
2884 is: function( selector ) {
2885 return !!winnow(
2886 this,
2887
2888 // If this is a positional/relative selector, check membership in the returned set
2889 // so $("p:first").is("p:last") won't return true for a doc with two "p".
2890 typeof selector === "string" && rneedsContext.test( selector ) ?
2891 jQuery( selector ) :
2892 selector || [],
2893 false
2894 ).length;
2895 }
2896 } );
2897
2898
2899 // Initialize a jQuery object
2900
2901
2902 // A central reference to the root jQuery(document)
2903 var rootjQuery,
2904
2905 // A simple way to check for HTML strings
2906 // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2907 // Strict HTML recognition (#11290: must start with <)
2908 // Shortcut simple #id case for speed
2909 rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2910
2911 init = jQuery.fn.init = function( selector, context, root ) {
2912 var match, elem;
2913
2914 // HANDLE: $(""), $(null), $(undefined), $(false)
2915 if ( !selector ) {
2916 return this;
2917 }
2918
2919 // Method init() accepts an alternate rootjQuery
2920 // so migrate can support jQuery.sub (gh-2101)
2921 root = root || rootjQuery;
2922
2923 // Handle HTML strings
2924 if ( typeof selector === "string" ) {
2925 if ( selector[ 0 ] === "<" &&
2926 selector[ selector.length - 1 ] === ">" &&
2927 selector.length >= 3 ) {
2928
2929 // Assume that strings that start and end with <> are HTML and skip the regex check
2930 match = [ null, selector, null ];
2931
2932 } else {
2933 match = rquickExpr.exec( selector );
2934 }
2935
2936 // Match html or make sure no context is specified for #id
2937 if ( match && ( match[ 1 ] || !context ) ) {
2938
2939 // HANDLE: $(html) -> $(array)
2940 if ( match[ 1 ] ) {
2941 context = context instanceof jQuery ? context[ 0 ] : context;
2942
2943 // Option to run scripts is true for back-compat
2944 // Intentionally let the error be thrown if parseHTML is not present
2945 jQuery.merge( this, jQuery.parseHTML(
2946 match[ 1 ],
2947 context && context.nodeType ? context.ownerDocument || context : document,
2948 true
2949 ) );
2950
2951 // HANDLE: $(html, props)
2952 if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
2953 for ( match in context ) {
2954
2955 // Properties of context are called as methods if possible
2956 if ( isFunction( this[ match ] ) ) {
2957 this[ match ]( context[ match ] );
2958
2959 // ...and otherwise set as attributes
2960 } else {
2961 this.attr( match, context[ match ] );
2962 }
2963 }
2964 }
2965
2966 return this;
2967
2968 // HANDLE: $(#id)
2969 } else {
2970 elem = document.getElementById( match[ 2 ] );
2971
2972 if ( elem ) {
2973
2974 // Inject the element directly into the jQuery object
2975 this[ 0 ] = elem;
2976 this.length = 1;
2977 }
2978 return this;
2979 }
2980
2981 // HANDLE: $(expr, $(...))
2982 } else if ( !context || context.jquery ) {
2983 return ( context || root ).find( selector );
2984
2985 // HANDLE: $(expr, context)
2986 // (which is just equivalent to: $(context).find(expr)
2987 } else {
2988 return this.constructor( context ).find( selector );
2989 }
2990
2991 // HANDLE: $(DOMElement)
2992 } else if ( selector.nodeType ) {
2993 this[ 0 ] = selector;
2994 this.length = 1;
2995 return this;
2996
2997 // HANDLE: $(function)
2998 // Shortcut for document ready
2999 } else if ( isFunction( selector ) ) {
3000 return root.ready !== undefined ?
3001 root.ready( selector ) :
3002
3003 // Execute immediately if ready is not present
3004 selector( jQuery );
3005 }
3006
3007 return jQuery.makeArray( selector, this );
3008 };
3009
3010 // Give the init function the jQuery prototype for later instantiation
3011 init.prototype = jQuery.fn;
3012
3013 // Initialize central reference
3014 rootjQuery = jQuery( document );
3015
3016
3017 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3018
3019 // Methods guaranteed to produce a unique set when starting from a unique set
3020 guaranteedUnique = {
3021 children: true,
3022 contents: true,
3023 next: true,
3024 prev: true
3025 };
3026
3027 jQuery.fn.extend( {
3028 has: function( target ) {
3029 var targets = jQuery( target, this ),
3030 l = targets.length;
3031
3032 return this.filter( function() {
3033 var i = 0;
3034 for ( ; i < l; i++ ) {
3035 if ( jQuery.contains( this, targets[ i ] ) ) {
3036 return true;
3037 }
3038 }
3039 } );
3040 },
3041
3042 closest: function( selectors, context ) {
3043 var cur,
3044 i = 0,
3045 l = this.length,
3046 matched = [],
3047 targets = typeof selectors !== "string" && jQuery( selectors );
3048
3049 // Positional selectors never match, since there's no _selection_ context
3050 if ( !rneedsContext.test( selectors ) ) {
3051 for ( ; i < l; i++ ) {
3052 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3053
3054 // Always skip document fragments
3055 if ( cur.nodeType < 11 && ( targets ?
3056 targets.index( cur ) > -1 :
3057
3058 // Don't pass non-elements to Sizzle
3059 cur.nodeType === 1 &&
3060 jQuery.find.matchesSelector( cur, selectors ) ) ) {
3061
3062 matched.push( cur );
3063 break;
3064 }
3065 }
3066 }
3067 }
3068
3069 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3070 },
3071
3072 // Determine the position of an element within the set
3073 index: function( elem ) {
3074
3075 // No argument, return index in parent
3076 if ( !elem ) {
3077 return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3078 }
3079
3080 // Index in selector
3081 if ( typeof elem === "string" ) {
3082 return indexOf.call( jQuery( elem ), this[ 0 ] );
3083 }
3084
3085 // Locate the position of the desired element
3086 return indexOf.call( this,
3087
3088 // If it receives a jQuery object, the first element is used
3089 elem.jquery ? elem[ 0 ] : elem
3090 );
3091 },
3092
3093 add: function( selector, context ) {
3094 return this.pushStack(
3095 jQuery.uniqueSort(
3096 jQuery.merge( this.get(), jQuery( selector, context ) )
3097 )
3098 );
3099 },
3100
3101 addBack: function( selector ) {
3102 return this.add( selector == null ?
3103 this.prevObject : this.prevObject.filter( selector )
3104 );
3105 }
3106 } );
3107
3108 function sibling( cur, dir ) {
3109 while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3110 return cur;
3111 }
3112
3113 jQuery.each( {
3114 parent: function( elem ) {
3115 var parent = elem.parentNode;
3116 return parent && parent.nodeType !== 11 ? parent : null;
3117 },
3118 parents: function( elem ) {
3119 return dir( elem, "parentNode" );
3120 },
3121 parentsUntil: function( elem, i, until ) {
3122 return dir( elem, "parentNode", until );
3123 },
3124 next: function( elem ) {
3125 return sibling( elem, "nextSibling" );
3126 },
3127 prev: function( elem ) {
3128 return sibling( elem, "previousSibling" );
3129 },
3130 nextAll: function( elem ) {
3131 return dir( elem, "nextSibling" );
3132 },
3133 prevAll: function( elem ) {
3134 return dir( elem, "previousSibling" );
3135 },
3136 nextUntil: function( elem, i, until ) {
3137 return dir( elem, "nextSibling", until );
3138 },
3139 prevUntil: function( elem, i, until ) {
3140 return dir( elem, "previousSibling", until );
3141 },
3142 siblings: function( elem ) {
3143 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3144 },
3145 children: function( elem ) {
3146 return siblings( elem.firstChild );
3147 },
3148 contents: function( elem ) {
3149 if ( nodeName( elem, "iframe" ) ) {
3150 return elem.contentDocument;
3151 }
3152
3153 // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3154 // Treat the template element as a regular one in browsers that
3155 // don't support it.
3156 if ( nodeName( elem, "template" ) ) {
3157 elem = elem.content || elem;
3158 }
3159
3160 return jQuery.merge( [], elem.childNodes );
3161 }
3162 }, function( name, fn ) {
3163 jQuery.fn[ name ] = function( until, selector ) {
3164 var matched = jQuery.map( this, fn, until );
3165
3166 if ( name.slice( -5 ) !== "Until" ) {
3167 selector = until;
3168 }
3169
3170 if ( selector && typeof selector === "string" ) {
3171 matched = jQuery.filter( selector, matched );
3172 }
3173
3174 if ( this.length > 1 ) {
3175
3176 // Remove duplicates
3177 if ( !guaranteedUnique[ name ] ) {
3178 jQuery.uniqueSort( matched );
3179 }
3180
3181 // Reverse order for parents* and prev-derivatives
3182 if ( rparentsprev.test( name ) ) {
3183 matched.reverse();
3184 }
3185 }
3186
3187 return this.pushStack( matched );
3188 };
3189 } );
3190 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3191
3192
3193
3194 // Convert String-formatted options into Object-formatted ones
3195 function createOptions( options ) {
3196 var object = {};
3197 jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3198 object[ flag ] = true;
3199 } );
3200 return object;
3201 }
3202
3203 /*
3204 * Create a callback list using the following parameters:
3205 *
3206 * options: an optional list of space-separated options that will change how
3207 * the callback list behaves or a more traditional option object
3208 *
3209 * By default a callback list will act like an event callback list and can be
3210 * "fired" multiple times.
3211 *
3212 * Possible options:
3213 *
3214 * once: will ensure the callback list can only be fired once (like a Deferred)
3215 *
3216 * memory: will keep track of previous values and will call any callback added
3217 * after the list has been fired right away with the latest "memorized"
3218 * values (like a Deferred)
3219 *
3220 * unique: will ensure a callback can only be added once (no duplicate in the list)
3221 *
3222 * stopOnFalse: interrupt callings when a callback returns false
3223 *
3224 */
3225 jQuery.Callbacks = function( options ) {
3226
3227 // Convert options from String-formatted to Object-formatted if needed
3228 // (we check in cache first)
3229 options = typeof options === "string" ?
3230 createOptions( options ) :
3231 jQuery.extend( {}, options );
3232
3233 var // Flag to know if list is currently firing
3234 firing,
3235
3236 // Last fire value for non-forgettable lists
3237 memory,
3238
3239 // Flag to know if list was already fired
3240 fired,
3241
3242 // Flag to prevent firing
3243 locked,
3244
3245 // Actual callback list
3246 list = [],
3247
3248 // Queue of execution data for repeatable lists
3249 queue = [],
3250
3251 // Index of currently firing callback (modified by add/remove as needed)
3252 firingIndex = -1,
3253
3254 // Fire callbacks
3255 fire = function() {
3256
3257 // Enforce single-firing
3258 locked = locked || options.once;
3259
3260 // Execute callbacks for all pending executions,
3261 // respecting firingIndex overrides and runtime changes
3262 fired = firing = true;
3263 for ( ; queue.length; firingIndex = -1 ) {
3264 memory = queue.shift();
3265 while ( ++firingIndex < list.length ) {
3266
3267 // Run callback and check for early termination
3268 if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3269 options.stopOnFalse ) {
3270
3271 // Jump to end and forget the data so .add doesn't re-fire
3272 firingIndex = list.length;
3273 memory = false;
3274 }
3275 }
3276 }
3277
3278 // Forget the data if we're done with it
3279 if ( !options.memory ) {
3280 memory = false;
3281 }
3282
3283 firing = false;
3284
3285 // Clean up if we're done firing for good
3286 if ( locked ) {
3287
3288 // Keep an empty list if we have data for future add calls
3289 if ( memory ) {
3290 list = [];
3291
3292 // Otherwise, this object is spent
3293 } else {
3294 list = "";
3295 }
3296 }
3297 },
3298
3299 // Actual Callbacks object
3300 self = {
3301
3302 // Add a callback or a collection of callbacks to the list
3303 add: function() {
3304 if ( list ) {
3305
3306 // If we have memory from a past run, we should fire after adding
3307 if ( memory && !firing ) {
3308 firingIndex = list.length - 1;
3309 queue.push( memory );
3310 }
3311
3312 ( function add( args ) {
3313 jQuery.each( args, function( _, arg ) {
3314 if ( isFunction( arg ) ) {
3315 if ( !options.unique || !self.has( arg ) ) {
3316 list.push( arg );
3317 }
3318 } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3319
3320 // Inspect recursively
3321 add( arg );
3322 }
3323 } );
3324 } )( arguments );
3325
3326 if ( memory && !firing ) {
3327 fire();
3328 }
3329 }
3330 return this;
3331 },
3332
3333 // Remove a callback from the list
3334 remove: function() {
3335 jQuery.each( arguments, function( _, arg ) {
3336 var index;
3337 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3338 list.splice( index, 1 );
3339
3340 // Handle firing indexes
3341 if ( index <= firingIndex ) {
3342 firingIndex--;
3343 }
3344 }
3345 } );
3346 return this;
3347 },
3348
3349 // Check if a given callback is in the list.
3350 // If no argument is given, return whether or not list has callbacks attached.
3351 has: function( fn ) {
3352 return fn ?
3353 jQuery.inArray( fn, list ) > -1 :
3354 list.length > 0;
3355 },
3356
3357 // Remove all callbacks from the list
3358 empty: function() {
3359 if ( list ) {
3360 list = [];
3361 }
3362 return this;
3363 },
3364
3365 // Disable .fire and .add
3366 // Abort any current/pending executions
3367 // Clear all callbacks and values
3368 disable: function() {
3369 locked = queue = [];
3370 list = memory = "";
3371 return this;
3372 },
3373 disabled: function() {
3374 return !list;
3375 },
3376
3377 // Disable .fire
3378 // Also disable .add unless we have memory (since it would have no effect)
3379 // Abort any pending executions
3380 lock: function() {
3381 locked = queue = [];
3382 if ( !memory && !firing ) {
3383 list = memory = "";
3384 }
3385 return this;
3386 },
3387 locked: function() {
3388 return !!locked;
3389 },
3390
3391 // Call all callbacks with the given context and arguments
3392 fireWith: function( context, args ) {
3393 if ( !locked ) {
3394 args = args || [];
3395 args = [ context, args.slice ? args.slice() : args ];
3396 queue.push( args );
3397 if ( !firing ) {
3398 fire();
3399 }
3400 }
3401 return this;
3402 },
3403
3404 // Call all the callbacks with the given arguments
3405 fire: function() {
3406 self.fireWith( this, arguments );
3407 return this;
3408 },
3409
3410 // To know if the callbacks have already been called at least once
3411 fired: function() {
3412 return !!fired;
3413 }
3414 };
3415
3416 return self;
3417 };
3418
3419
3420 function Identity( v ) {
3421 return v;
3422 }
3423 function Thrower( ex ) {
3424 throw ex;
3425 }
3426
3427 function adoptValue( value, resolve, reject, noValue ) {
3428 var method;
3429
3430 try {
3431
3432 // Check for promise aspect first to privilege synchronous behavior
3433 if ( value && isFunction( ( method = value.promise ) ) ) {
3434 method.call( value ).done( resolve ).fail( reject );
3435
3436 // Other thenables
3437 } else if ( value && isFunction( ( method = value.then ) ) ) {
3438 method.call( value, resolve, reject );
3439
3440 // Other non-thenables
3441 } else {
3442
3443 // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3444 // * false: [ value ].slice( 0 ) => resolve( value )
3445 // * true: [ value ].slice( 1 ) => resolve()
3446 resolve.apply( undefined, [ value ].slice( noValue ) );
3447 }
3448
3449 // For Promises/A+, convert exceptions into rejections
3450 // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3451 // Deferred#then to conditionally suppress rejection.
3452 } catch ( value ) {
3453
3454 // Support: Android 4.0 only
3455 // Strict mode functions invoked without .call/.apply get global-object context
3456 reject.apply( undefined, [ value ] );
3457 }
3458 }
3459
3460 jQuery.extend( {
3461
3462 Deferred: function( func ) {
3463 var tuples = [
3464
3465 // action, add listener, callbacks,
3466 // ... .then handlers, argument index, [final state]
3467 [ "notify", "progress", jQuery.Callbacks( "memory" ),
3468 jQuery.Callbacks( "memory" ), 2 ],
3469 [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3470 jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3471 [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3472 jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3473 ],
3474 state = "pending",
3475 promise = {
3476 state: function() {
3477 return state;
3478 },
3479 always: function() {
3480 deferred.done( arguments ).fail( arguments );
3481 return this;
3482 },
3483 "catch": function( fn ) {
3484 return promise.then( null, fn );
3485 },
3486
3487 // Keep pipe for back-compat
3488 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3489 var fns = arguments;
3490
3491 return jQuery.Deferred( function( newDefer ) {
3492 jQuery.each( tuples, function( i, tuple ) {
3493
3494 // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3495 var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3496
3497 // deferred.progress(function() { bind to newDefer or newDefer.notify })
3498 // deferred.done(function() { bind to newDefer or newDefer.resolve })
3499 // deferred.fail(function() { bind to newDefer or newDefer.reject })
3500 deferred[ tuple[ 1 ] ]( function() {
3501 var returned = fn && fn.apply( this, arguments );
3502 if ( returned && isFunction( returned.promise ) ) {
3503 returned.promise()
3504 .progress( newDefer.notify )
3505 .done( newDefer.resolve )
3506 .fail( newDefer.reject );
3507 } else {
3508 newDefer[ tuple[ 0 ] + "With" ](
3509 this,
3510 fn ? [ returned ] : arguments
3511 );
3512 }
3513 } );
3514 } );
3515 fns = null;
3516 } ).promise();
3517 },
3518 then: function( onFulfilled, onRejected, onProgress ) {
3519 var maxDepth = 0;
3520 function resolve( depth, deferred, handler, special ) {
3521 return function() {
3522 var that = this,
3523 args = arguments,
3524 mightThrow = function() {
3525 var returned, then;
3526
3527 // Support: Promises/A+ section 2.3.3.3.3
3528 // https://promisesaplus.com/#point-59
3529 // Ignore double-resolution attempts
3530 if ( depth < maxDepth ) {
3531 return;
3532 }
3533
3534 returned = handler.apply( that, args );
3535
3536 // Support: Promises/A+ section 2.3.1
3537 // https://promisesaplus.com/#point-48
3538 if ( returned === deferred.promise() ) {
3539 throw new TypeError( "Thenable self-resolution" );
3540 }
3541
3542 // Support: Promises/A+ sections 2.3.3.1, 3.5
3543 // https://promisesaplus.com/#point-54
3544 // https://promisesaplus.com/#point-75
3545 // Retrieve `then` only once
3546 then = returned &&
3547
3548 // Support: Promises/A+ section 2.3.4
3549 // https://promisesaplus.com/#point-64
3550 // Only check objects and functions for thenability
3551 ( typeof returned === "object" ||
3552 typeof returned === "function" ) &&
3553 returned.then;
3554
3555 // Handle a returned thenable
3556 if ( isFunction( then ) ) {
3557
3558 // Special processors (notify) just wait for resolution
3559 if ( special ) {
3560 then.call(
3561 returned,
3562 resolve( maxDepth, deferred, Identity, special ),
3563 resolve( maxDepth, deferred, Thrower, special )
3564 );
3565
3566 // Normal processors (resolve) also hook into progress
3567 } else {
3568
3569 // ...and disregard older resolution values
3570 maxDepth++;
3571
3572 then.call(
3573 returned,
3574 resolve( maxDepth, deferred, Identity, special ),
3575 resolve( maxDepth, deferred, Thrower, special ),
3576 resolve( maxDepth, deferred, Identity,
3577 deferred.notifyWith )
3578 );
3579 }
3580
3581 // Handle all other returned values
3582 } else {
3583
3584 // Only substitute handlers pass on context
3585 // and multiple values (non-spec behavior)
3586 if ( handler !== Identity ) {
3587 that = undefined;
3588 args = [ returned ];
3589 }
3590
3591 // Process the value(s)
3592 // Default process is resolve
3593 ( special || deferred.resolveWith )( that, args );
3594 }
3595 },
3596
3597 // Only normal processors (resolve) catch and reject exceptions
3598 process = special ?
3599 mightThrow :
3600 function() {
3601 try {
3602 mightThrow();
3603 } catch ( e ) {
3604
3605 if ( jQuery.Deferred.exceptionHook ) {
3606 jQuery.Deferred.exceptionHook( e,
3607 process.stackTrace );
3608 }
3609
3610 // Support: Promises/A+ section 2.3.3.3.4.1
3611 // https://promisesaplus.com/#point-61
3612 // Ignore post-resolution exceptions
3613 if ( depth + 1 >= maxDepth ) {
3614
3615 // Only substitute handlers pass on context
3616 // and multiple values (non-spec behavior)
3617 if ( handler !== Thrower ) {
3618 that = undefined;
3619 args = [ e ];
3620 }
3621
3622 deferred.rejectWith( that, args );
3623 }
3624 }
3625 };
3626
3627 // Support: Promises/A+ section 2.3.3.3.1
3628 // https://promisesaplus.com/#point-57
3629 // Re-resolve promises immediately to dodge false rejection from
3630 // subsequent errors
3631 if ( depth ) {
3632 process();
3633 } else {
3634
3635 // Call an optional hook to record the stack, in case of exception
3636 // since it's otherwise lost when execution goes async
3637 if ( jQuery.Deferred.getStackHook ) {
3638 process.stackTrace = jQuery.Deferred.getStackHook();
3639 }
3640 window.setTimeout( process );
3641 }
3642 };
3643 }
3644
3645 return jQuery.Deferred( function( newDefer ) {
3646
3647 // progress_handlers.add( ... )
3648 tuples[ 0 ][ 3 ].add(
3649 resolve(
3650 0,
3651 newDefer,
3652 isFunction( onProgress ) ?
3653 onProgress :
3654 Identity,
3655 newDefer.notifyWith
3656 )
3657 );
3658
3659 // fulfilled_handlers.add( ... )
3660 tuples[ 1 ][ 3 ].add(
3661 resolve(
3662 0,
3663 newDefer,
3664 isFunction( onFulfilled ) ?
3665 onFulfilled :
3666 Identity
3667 )
3668 );
3669
3670 // rejected_handlers.add( ... )
3671 tuples[ 2 ][ 3 ].add(
3672 resolve(
3673 0,
3674 newDefer,
3675 isFunction( onRejected ) ?
3676 onRejected :
3677 Thrower
3678 )
3679 );
3680 } ).promise();
3681 },
3682
3683 // Get a promise for this deferred
3684 // If obj is provided, the promise aspect is added to the object
3685 promise: function( obj ) {
3686 return obj != null ? jQuery.extend( obj, promise ) : promise;
3687 }
3688 },
3689 deferred = {};
3690
3691 // Add list-specific methods
3692 jQuery.each( tuples, function( i, tuple ) {
3693 var list = tuple[ 2 ],
3694 stateString = tuple[ 5 ];
3695
3696 // promise.progress = list.add
3697 // promise.done = list.add
3698 // promise.fail = list.add
3699 promise[ tuple[ 1 ] ] = list.add;
3700
3701 // Handle state
3702 if ( stateString ) {
3703 list.add(
3704 function() {
3705
3706 // state = "resolved" (i.e., fulfilled)
3707 // state = "rejected"
3708 state = stateString;
3709 },
3710
3711 // rejected_callbacks.disable
3712 // fulfilled_callbacks.disable
3713 tuples[ 3 - i ][ 2 ].disable,
3714
3715 // rejected_handlers.disable
3716 // fulfilled_handlers.disable
3717 tuples[ 3 - i ][ 3 ].disable,
3718
3719 // progress_callbacks.lock
3720 tuples[ 0 ][ 2 ].lock,
3721
3722 // progress_handlers.lock
3723 tuples[ 0 ][ 3 ].lock
3724 );
3725 }
3726
3727 // progress_handlers.fire
3728 // fulfilled_handlers.fire
3729 // rejected_handlers.fire
3730 list.add( tuple[ 3 ].fire );
3731
3732 // deferred.notify = function() { deferred.notifyWith(...) }
3733 // deferred.resolve = function() { deferred.resolveWith(...) }
3734 // deferred.reject = function() { deferred.rejectWith(...) }
3735 deferred[ tuple[ 0 ] ] = function() {
3736 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3737 return this;
3738 };
3739
3740 // deferred.notifyWith = list.fireWith
3741 // deferred.resolveWith = list.fireWith
3742 // deferred.rejectWith = list.fireWith
3743 deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3744 } );
3745
3746 // Make the deferred a promise
3747 promise.promise( deferred );
3748
3749 // Call given func if any
3750 if ( func ) {
3751 func.call( deferred, deferred );
3752 }
3753
3754 // All done!
3755 return deferred;
3756 },
3757
3758 // Deferred helper
3759 when: function( singleValue ) {
3760 var
3761
3762 // count of uncompleted subordinates
3763 remaining = arguments.length,
3764
3765 // count of unprocessed arguments
3766 i = remaining,
3767
3768 // subordinate fulfillment data
3769 resolveContexts = Array( i ),
3770 resolveValues = slice.call( arguments ),
3771
3772 // the master Deferred
3773 master = jQuery.Deferred(),
3774
3775 // subordinate callback factory
3776 updateFunc = function( i ) {
3777 return function( value ) {
3778 resolveContexts[ i ] = this;
3779 resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3780 if ( !( --remaining ) ) {
3781 master.resolveWith( resolveContexts, resolveValues );
3782 }
3783 };
3784 };
3785
3786 // Single- and empty arguments are adopted like Promise.resolve
3787 if ( remaining <= 1 ) {
3788 adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
3789 !remaining );
3790
3791 // Use .then() to unwrap secondary thenables (cf. gh-3000)
3792 if ( master.state() === "pending" ||
3793 isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3794
3795 return master.then();
3796 }
3797 }
3798
3799 // Multiple arguments are aggregated like Promise.all array elements
3800 while ( i-- ) {
3801 adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
3802 }
3803
3804 return master.promise();
3805 }
3806 } );
3807
3808
3809 // These usually indicate a programmer mistake during development,
3810 // warn about them ASAP rather than swallowing them by default.
3811 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
3812
3813 jQuery.Deferred.exceptionHook = function( error, stack ) {
3814
3815 // Support: IE 8 - 9 only
3816 // Console exists when dev tools are open, which can happen at any time
3817 if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
3818 window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
3819 }
3820 };
3821
3822
3823
3824
3825 jQuery.readyException = function( error ) {
3826 window.setTimeout( function() {
3827 throw error;
3828 } );
3829 };
3830
3831
3832
3833
3834 // The deferred used on DOM ready
3835 var readyList = jQuery.Deferred();
3836
3837 jQuery.fn.ready = function( fn ) {
3838
3839 readyList
3840 .then( fn )
3841
3842 // Wrap jQuery.readyException in a function so that the lookup
3843 // happens at the time of error handling instead of callback
3844 // registration.
3845 .catch( function( error ) {
3846 jQuery.readyException( error );
3847 } );
3848
3849 return this;
3850 };
3851
3852 jQuery.extend( {
3853
3854 // Is the DOM ready to be used? Set to true once it occurs.
3855 isReady: false,
3856
3857 // A counter to track how many items to wait for before
3858 // the ready event fires. See #6781
3859 readyWait: 1,
3860
3861 // Handle when the DOM is ready
3862 ready: function( wait ) {
3863
3864 // Abort if there are pending holds or we're already ready
3865 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3866 return;
3867 }
3868
3869 // Remember that the DOM is ready
3870 jQuery.isReady = true;
3871
3872 // If a normal DOM Ready event fired, decrement, and wait if need be
3873 if ( wait !== true && --jQuery.readyWait > 0 ) {
3874 return;
3875 }
3876
3877 // If there are functions bound, to execute
3878 readyList.resolveWith( document, [ jQuery ] );
3879 }
3880 } );
3881
3882 jQuery.ready.then = readyList.then;
3883
3884 // The ready event handler and self cleanup method
3885 function completed() {
3886 document.removeEventListener( "DOMContentLoaded", completed );
3887 window.removeEventListener( "load", completed );
3888 jQuery.ready();
3889 }
3890
3891 // Catch cases where $(document).ready() is called
3892 // after the browser event has already occurred.
3893 // Support: IE <=9 - 10 only
3894 // Older IE sometimes signals "interactive" too soon
3895 if ( document.readyState === "complete" ||
3896 ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
3897
3898 // Handle it asynchronously to allow scripts the opportunity to delay ready
3899 window.setTimeout( jQuery.ready );
3900
3901 } else {
3902
3903 // Use the handy event callback
3904 document.addEventListener( "DOMContentLoaded", completed );
3905
3906 // A fallback to window.onload, that will always work
3907 window.addEventListener( "load", completed );
3908 }
3909
3910
3911
3912
3913 // Multifunctional method to get and set values of a collection
3914 // The value/s can optionally be executed if it's a function
3915 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
3916 var i = 0,
3917 len = elems.length,
3918 bulk = key == null;
3919
3920 // Sets many values
3921 if ( toType( key ) === "object" ) {
3922 chainable = true;
3923 for ( i in key ) {
3924 access( elems, fn, i, key[ i ], true, emptyGet, raw );
3925 }
3926
3927 // Sets one value
3928 } else if ( value !== undefined ) {
3929 chainable = true;
3930
3931 if ( !isFunction( value ) ) {
3932 raw = true;
3933 }
3934
3935 if ( bulk ) {
3936
3937 // Bulk operations run against the entire set
3938 if ( raw ) {
3939 fn.call( elems, value );
3940 fn = null;
3941
3942 // ...except when executing function values
3943 } else {
3944 bulk = fn;
3945 fn = function( elem, key, value ) {
3946 return bulk.call( jQuery( elem ), value );
3947 };
3948 }
3949 }
3950
3951 if ( fn ) {
3952 for ( ; i < len; i++ ) {
3953 fn(
3954 elems[ i ], key, raw ?
3955 value :
3956 value.call( elems[ i ], i, fn( elems[ i ], key ) )
3957 );
3958 }
3959 }
3960 }
3961
3962 if ( chainable ) {
3963 return elems;
3964 }
3965
3966 // Gets
3967 if ( bulk ) {
3968 return fn.call( elems );
3969 }
3970
3971 return len ? fn( elems[ 0 ], key ) : emptyGet;
3972 };
3973
3974
3975 // Matches dashed string for camelizing
3976 var rmsPrefix = /^-ms-/,
3977 rdashAlpha = /-([a-z])/g;
3978
3979 // Used by camelCase as callback to replace()
3980 function fcamelCase( all, letter ) {
3981 return letter.toUpperCase();
3982 }
3983
3984 // Convert dashed to camelCase; used by the css and data modules
3985 // Support: IE <=9 - 11, Edge 12 - 15
3986 // Microsoft forgot to hump their vendor prefix (#9572)
3987 function camelCase( string ) {
3988 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
3989 }
3990 var acceptData = function( owner ) {
3991
3992 // Accepts only:
3993 // - Node
3994 // - Node.ELEMENT_NODE
3995 // - Node.DOCUMENT_NODE
3996 // - Object
3997 // - Any
3998 return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
3999 };
4000
4001
4002
4003
4004 function Data() {
4005 this.expando = jQuery.expando + Data.uid++;
4006 }
4007
4008 Data.uid = 1;
4009
4010 Data.prototype = {
4011
4012 cache: function( owner ) {
4013
4014 // Check if the owner object already has a cache
4015 var value = owner[ this.expando ];
4016
4017 // If not, create one
4018 if ( !value ) {
4019 value = {};
4020
4021 // We can accept data for non-element nodes in modern browsers,
4022 // but we should not, see #8335.
4023 // Always return an empty object.
4024 if ( acceptData( owner ) ) {
4025
4026 // If it is a node unlikely to be stringify-ed or looped over
4027 // use plain assignment
4028 if ( owner.nodeType ) {
4029 owner[ this.expando ] = value;
4030
4031 // Otherwise secure it in a non-enumerable property
4032 // configurable must be true to allow the property to be
4033 // deleted when data is removed
4034 } else {
4035 Object.defineProperty( owner, this.expando, {
4036 value: value,
4037 configurable: true
4038 } );
4039 }
4040 }
4041 }
4042
4043 return value;
4044 },
4045 set: function( owner, data, value ) {
4046 var prop,
4047 cache = this.cache( owner );
4048
4049 // Handle: [ owner, key, value ] args
4050 // Always use camelCase key (gh-2257)
4051 if ( typeof data === "string" ) {
4052 cache[ camelCase( data ) ] = value;
4053
4054 // Handle: [ owner, { properties } ] args
4055 } else {
4056
4057 // Copy the properties one-by-one to the cache object
4058 for ( prop in data ) {
4059 cache[ camelCase( prop ) ] = data[ prop ];
4060 }
4061 }
4062 return cache;
4063 },
4064 get: function( owner, key ) {
4065 return key === undefined ?
4066 this.cache( owner ) :
4067
4068 // Always use camelCase key (gh-2257)
4069 owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4070 },
4071 access: function( owner, key, value ) {
4072
4073 // In cases where either:
4074 //
4075 // 1. No key was specified
4076 // 2. A string key was specified, but no value provided
4077 //
4078 // Take the "read" path and allow the get method to determine
4079 // which value to return, respectively either:
4080 //
4081 // 1. The entire cache object
4082 // 2. The data stored at the key
4083 //
4084 if ( key === undefined ||
4085 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4086
4087 return this.get( owner, key );
4088 }
4089
4090 // When the key is not a string, or both a key and value
4091 // are specified, set or extend (existing objects) with either:
4092 //
4093 // 1. An object of properties
4094 // 2. A key and value
4095 //
4096 this.set( owner, key, value );
4097
4098 // Since the "set" path can have two possible entry points
4099 // return the expected data based on which path was taken[*]
4100 return value !== undefined ? value : key;
4101 },
4102 remove: function( owner, key ) {
4103 var i,
4104 cache = owner[ this.expando ];
4105
4106 if ( cache === undefined ) {
4107 return;
4108 }
4109
4110 if ( key !== undefined ) {
4111
4112 // Support array or space separated string of keys
4113 if ( Array.isArray( key ) ) {
4114
4115 // If key is an array of keys...
4116 // We always set camelCase keys, so remove that.
4117 key = key.map( camelCase );
4118 } else {
4119 key = camelCase( key );
4120
4121 // If a key with the spaces exists, use it.
4122 // Otherwise, create an array by matching non-whitespace
4123 key = key in cache ?
4124 [ key ] :
4125 ( key.match( rnothtmlwhite ) || [] );
4126 }
4127
4128 i = key.length;
4129
4130 while ( i-- ) {
4131 delete cache[ key[ i ] ];
4132 }
4133 }
4134
4135 // Remove the expando if there's no more data
4136 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4137
4138 // Support: Chrome <=35 - 45
4139 // Webkit & Blink performance suffers when deleting properties
4140 // from DOM nodes, so set to undefined instead
4141 // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4142 if ( owner.nodeType ) {
4143 owner[ this.expando ] = undefined;
4144 } else {
4145 delete owner[ this.expando ];
4146 }
4147 }
4148 },
4149 hasData: function( owner ) {
4150 var cache = owner[ this.expando ];
4151 return cache !== undefined && !jQuery.isEmptyObject( cache );
4152 }
4153 };
4154 var dataPriv = new Data();
4155
4156 var dataUser = new Data();
4157
4158
4159
4160 // Implementation Summary
4161 //
4162 // 1. Enforce API surface and semantic compatibility with 1.9.x branch
4163 // 2. Improve the module's maintainability by reducing the storage
4164 // paths to a single mechanism.
4165 // 3. Use the same single mechanism to support "private" and "user" data.
4166 // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4167 // 5. Avoid exposing implementation details on user objects (eg. expando properties)
4168 // 6. Provide a clear path for implementation upgrade to WeakMap in 2014
4169
4170 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4171 rmultiDash = /[A-Z]/g;
4172
4173 function getData( data ) {
4174 if ( data === "true" ) {
4175 return true;
4176 }
4177
4178 if ( data === "false" ) {
4179 return false;
4180 }
4181
4182 if ( data === "null" ) {
4183 return null;
4184 }
4185
4186 // Only convert to a number if it doesn't change the string
4187 if ( data === +data + "" ) {
4188 return +data;
4189 }
4190
4191 if ( rbrace.test( data ) ) {
4192 return JSON.parse( data );
4193 }
4194
4195 return data;
4196 }
4197
4198 function dataAttr( elem, key, data ) {
4199 var name;
4200
4201 // If nothing was found internally, try to fetch any
4202 // data from the HTML5 data-* attribute
4203 if ( data === undefined && elem.nodeType === 1 ) {
4204 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4205 data = elem.getAttribute( name );
4206
4207 if ( typeof data === "string" ) {
4208 try {
4209 data = getData( data );
4210 } catch ( e ) {}
4211
4212 // Make sure we set the data so it isn't changed later
4213 dataUser.set( elem, key, data );
4214 } else {
4215 data = undefined;
4216 }
4217 }
4218 return data;
4219 }
4220
4221 jQuery.extend( {
4222 hasData: function( elem ) {
4223 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4224 },
4225
4226 data: function( elem, name, data ) {
4227 return dataUser.access( elem, name, data );
4228 },
4229
4230 removeData: function( elem, name ) {
4231 dataUser.remove( elem, name );
4232 },
4233
4234 // TODO: Now that all calls to _data and _removeData have been replaced
4235 // with direct calls to dataPriv methods, these can be deprecated.
4236 _data: function( elem, name, data ) {
4237 return dataPriv.access( elem, name, data );
4238 },
4239
4240 _removeData: function( elem, name ) {
4241 dataPriv.remove( elem, name );
4242 }
4243 } );
4244
4245 jQuery.fn.extend( {
4246 data: function( key, value ) {
4247 var i, name, data,
4248 elem = this[ 0 ],
4249 attrs = elem && elem.attributes;
4250
4251 // Gets all values
4252 if ( key === undefined ) {
4253 if ( this.length ) {
4254 data = dataUser.get( elem );
4255
4256 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4257 i = attrs.length;
4258 while ( i-- ) {
4259
4260 // Support: IE 11 only
4261 // The attrs elements can be null (#14894)
4262 if ( attrs[ i ] ) {
4263 name = attrs[ i ].name;
4264 if ( name.indexOf( "data-" ) === 0 ) {
4265 name = camelCase( name.slice( 5 ) );
4266 dataAttr( elem, name, data[ name ] );
4267 }
4268 }
4269 }
4270 dataPriv.set( elem, "hasDataAttrs", true );
4271 }
4272 }
4273
4274 return data;
4275 }
4276
4277 // Sets multiple values
4278 if ( typeof key === "object" ) {
4279 return this.each( function() {
4280 dataUser.set( this, key );
4281 } );
4282 }
4283
4284 return access( this, function( value ) {
4285 var data;
4286
4287 // The calling jQuery object (element matches) is not empty
4288 // (and therefore has an element appears at this[ 0 ]) and the
4289 // `value` parameter was not undefined. An empty jQuery object
4290 // will result in `undefined` for elem = this[ 0 ] which will
4291 // throw an exception if an attempt to read a data cache is made.
4292 if ( elem && value === undefined ) {
4293
4294 // Attempt to get data from the cache
4295 // The key will always be camelCased in Data
4296 data = dataUser.get( elem, key );
4297 if ( data !== undefined ) {
4298 return data;
4299 }
4300
4301 // Attempt to "discover" the data in
4302 // HTML5 custom data-* attrs
4303 data = dataAttr( elem, key );
4304 if ( data !== undefined ) {
4305 return data;
4306 }
4307
4308 // We tried really hard, but the data doesn't exist.
4309 return;
4310 }
4311
4312 // Set the data...
4313 this.each( function() {
4314
4315 // We always store the camelCased key
4316 dataUser.set( this, key, value );
4317 } );
4318 }, null, value, arguments.length > 1, null, true );
4319 },
4320
4321 removeData: function( key ) {
4322 return this.each( function() {
4323 dataUser.remove( this, key );
4324 } );
4325 }
4326 } );
4327
4328
4329 jQuery.extend( {
4330 queue: function( elem, type, data ) {
4331 var queue;
4332
4333 if ( elem ) {
4334 type = ( type || "fx" ) + "queue";
4335 queue = dataPriv.get( elem, type );
4336
4337 // Speed up dequeue by getting out quickly if this is just a lookup
4338 if ( data ) {
4339 if ( !queue || Array.isArray( data ) ) {
4340 queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4341 } else {
4342 queue.push( data );
4343 }
4344 }
4345 return queue || [];
4346 }
4347 },
4348
4349 dequeue: function( elem, type ) {
4350 type = type || "fx";
4351
4352 var queue = jQuery.queue( elem, type ),
4353 startLength = queue.length,
4354 fn = queue.shift(),
4355 hooks = jQuery._queueHooks( elem, type ),
4356 next = function() {
4357 jQuery.dequeue( elem, type );
4358 };
4359
4360 // If the fx queue is dequeued, always remove the progress sentinel
4361 if ( fn === "inprogress" ) {
4362 fn = queue.shift();
4363 startLength--;
4364 }
4365
4366 if ( fn ) {
4367
4368 // Add a progress sentinel to prevent the fx queue from being
4369 // automatically dequeued
4370 if ( type === "fx" ) {
4371 queue.unshift( "inprogress" );
4372 }
4373
4374 // Clear up the last queue stop function
4375 delete hooks.stop;
4376 fn.call( elem, next, hooks );
4377 }
4378
4379 if ( !startLength && hooks ) {
4380 hooks.empty.fire();
4381 }
4382 },
4383
4384 // Not public - generate a queueHooks object, or return the current one
4385 _queueHooks: function( elem, type ) {
4386 var key = type + "queueHooks";
4387 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4388 empty: jQuery.Callbacks( "once memory" ).add( function() {
4389 dataPriv.remove( elem, [ type + "queue", key ] );
4390 } )
4391 } );
4392 }
4393 } );
4394
4395 jQuery.fn.extend( {
4396 queue: function( type, data ) {
4397 var setter = 2;
4398
4399 if ( typeof type !== "string" ) {
4400 data = type;
4401 type = "fx";
4402 setter--;
4403 }
4404
4405 if ( arguments.length < setter ) {
4406 return jQuery.queue( this[ 0 ], type );
4407 }
4408
4409 return data === undefined ?
4410 this :
4411 this.each( function() {
4412 var queue = jQuery.queue( this, type, data );
4413
4414 // Ensure a hooks for this queue
4415 jQuery._queueHooks( this, type );
4416
4417 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4418 jQuery.dequeue( this, type );
4419 }
4420 } );
4421 },
4422 dequeue: function( type ) {
4423 return this.each( function() {
4424 jQuery.dequeue( this, type );
4425 } );
4426 },
4427 clearQueue: function( type ) {
4428 return this.queue( type || "fx", [] );
4429 },
4430
4431 // Get a promise resolved when queues of a certain type
4432 // are emptied (fx is the type by default)
4433 promise: function( type, obj ) {
4434 var tmp,
4435 count = 1,
4436 defer = jQuery.Deferred(),
4437 elements = this,
4438 i = this.length,
4439 resolve = function() {
4440 if ( !( --count ) ) {
4441 defer.resolveWith( elements, [ elements ] );
4442 }
4443 };
4444
4445 if ( typeof type !== "string" ) {
4446 obj = type;
4447 type = undefined;
4448 }
4449 type = type || "fx";
4450
4451 while ( i-- ) {
4452 tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4453 if ( tmp && tmp.empty ) {
4454 count++;
4455 tmp.empty.add( resolve );
4456 }
4457 }
4458 resolve();
4459 return defer.promise( obj );
4460 }
4461 } );
4462 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4463
4464 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4465
4466
4467 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4468
4469 var isHiddenWithinTree = function( elem, el ) {
4470
4471 // isHiddenWithinTree might be called from jQuery#filter function;
4472 // in that case, element will be second argument
4473 elem = el || elem;
4474
4475 // Inline style trumps all
4476 return elem.style.display === "none" ||
4477 elem.style.display === "" &&
4478
4479 // Otherwise, check computed style
4480 // Support: Firefox <=43 - 45
4481 // Disconnected elements can have computed display: none, so first confirm that elem is
4482 // in the document.
4483 jQuery.contains( elem.ownerDocument, elem ) &&
4484
4485 jQuery.css( elem, "display" ) === "none";
4486 };
4487
4488 var swap = function( elem, options, callback, args ) {
4489 var ret, name,
4490 old = {};
4491
4492 // Remember the old values, and insert the new ones
4493 for ( name in options ) {
4494 old[ name ] = elem.style[ name ];
4495 elem.style[ name ] = options[ name ];
4496 }
4497
4498 ret = callback.apply( elem, args || [] );
4499
4500 // Revert the old values
4501 for ( name in options ) {
4502 elem.style[ name ] = old[ name ];
4503 }
4504
4505 return ret;
4506 };
4507
4508
4509
4510
4511 function adjustCSS( elem, prop, valueParts, tween ) {
4512 var adjusted, scale,
4513 maxIterations = 20,
4514 currentValue = tween ?
4515 function() {
4516 return tween.cur();
4517 } :
4518 function() {
4519 return jQuery.css( elem, prop, "" );
4520 },
4521 initial = currentValue(),
4522 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4523
4524 // Starting value computation is required for potential unit mismatches
4525 initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4526 rcssNum.exec( jQuery.css( elem, prop ) );
4527
4528 if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4529
4530 // Support: Firefox <=54
4531 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4532 initial = initial / 2;
4533
4534 // Trust units reported by jQuery.css
4535 unit = unit || initialInUnit[ 3 ];
4536
4537 // Iteratively approximate from a nonzero starting point
4538 initialInUnit = +initial || 1;
4539
4540 while ( maxIterations-- ) {
4541
4542 // Evaluate and update our best guess (doubling guesses that zero out).
4543 // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4544 jQuery.style( elem, prop, initialInUnit + unit );
4545 if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4546 maxIterations = 0;
4547 }
4548 initialInUnit = initialInUnit / scale;
4549
4550 }
4551
4552 initialInUnit = initialInUnit * 2;
4553 jQuery.style( elem, prop, initialInUnit + unit );
4554
4555 // Make sure we update the tween properties later on
4556 valueParts = valueParts || [];
4557 }
4558
4559 if ( valueParts ) {
4560 initialInUnit = +initialInUnit || +initial || 0;
4561
4562 // Apply relative offset (+=/-=) if specified
4563 adjusted = valueParts[ 1 ] ?
4564 initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4565 +valueParts[ 2 ];
4566 if ( tween ) {
4567 tween.unit = unit;
4568 tween.start = initialInUnit;
4569 tween.end = adjusted;
4570 }
4571 }
4572 return adjusted;
4573 }
4574
4575
4576 var defaultDisplayMap = {};
4577
4578 function getDefaultDisplay( elem ) {
4579 var temp,
4580 doc = elem.ownerDocument,
4581 nodeName = elem.nodeName,
4582 display = defaultDisplayMap[ nodeName ];
4583
4584 if ( display ) {
4585 return display;
4586 }
4587
4588 temp = doc.body.appendChild( doc.createElement( nodeName ) );
4589 display = jQuery.css( temp, "display" );
4590
4591 temp.parentNode.removeChild( temp );
4592
4593 if ( display === "none" ) {
4594 display = "block";
4595 }
4596 defaultDisplayMap[ nodeName ] = display;
4597
4598 return display;
4599 }
4600
4601 function showHide( elements, show ) {
4602 var display, elem,
4603 values = [],
4604 index = 0,
4605 length = elements.length;
4606
4607 // Determine new display value for elements that need to change
4608 for ( ; index < length; index++ ) {
4609 elem = elements[ index ];
4610 if ( !elem.style ) {
4611 continue;
4612 }
4613
4614 display = elem.style.display;
4615 if ( show ) {
4616
4617 // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4618 // check is required in this first loop unless we have a nonempty display value (either
4619 // inline or about-to-be-restored)
4620 if ( display === "none" ) {
4621 values[ index ] = dataPriv.get( elem, "display" ) || null;
4622 if ( !values[ index ] ) {
4623 elem.style.display = "";
4624 }
4625 }
4626 if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4627 values[ index ] = getDefaultDisplay( elem );
4628 }
4629 } else {
4630 if ( display !== "none" ) {
4631 values[ index ] = "none";
4632
4633 // Remember what we're overwriting
4634 dataPriv.set( elem, "display", display );
4635 }
4636 }
4637 }
4638
4639 // Set the display of the elements in a second loop to avoid constant reflow
4640 for ( index = 0; index < length; index++ ) {
4641 if ( values[ index ] != null ) {
4642 elements[ index ].style.display = values[ index ];
4643 }
4644 }
4645
4646 return elements;
4647 }
4648
4649 jQuery.fn.extend( {
4650 show: function() {
4651 return showHide( this, true );
4652 },
4653 hide: function() {
4654 return showHide( this );
4655 },
4656 toggle: function( state ) {
4657 if ( typeof state === "boolean" ) {
4658 return state ? this.show() : this.hide();
4659 }
4660
4661 return this.each( function() {
4662 if ( isHiddenWithinTree( this ) ) {
4663 jQuery( this ).show();
4664 } else {
4665 jQuery( this ).hide();
4666 }
4667 } );
4668 }
4669 } );
4670 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4671
4672 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
4673
4674 var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4675
4676
4677
4678 // We have to close these tags to support XHTML (#13200)
4679 var wrapMap = {
4680
4681 // Support: IE <=9 only
4682 option: [ 1, "<select multiple='multiple'>", "</select>" ],
4683
4684 // XHTML parsers do not magically insert elements in the
4685 // same way that tag soup parsers do. So we cannot shorten
4686 // this by omitting <tbody> or other required elements.
4687 thead: [ 1, "<table>", "</table>" ],
4688 col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4689 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4690 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4691
4692 _default: [ 0, "", "" ]
4693 };
4694
4695 // Support: IE <=9 only
4696 wrapMap.optgroup = wrapMap.option;
4697
4698 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4699 wrapMap.th = wrapMap.td;
4700
4701
4702 function getAll( context, tag ) {
4703
4704 // Support: IE <=9 - 11 only
4705 // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4706 var ret;
4707
4708 if ( typeof context.getElementsByTagName !== "undefined" ) {
4709 ret = context.getElementsByTagName( tag || "*" );
4710
4711 } else if ( typeof context.querySelectorAll !== "undefined" ) {
4712 ret = context.querySelectorAll( tag || "*" );
4713
4714 } else {
4715 ret = [];
4716 }
4717
4718 if ( tag === undefined || tag && nodeName( context, tag ) ) {
4719 return jQuery.merge( [ context ], ret );
4720 }
4721
4722 return ret;
4723 }
4724
4725
4726 // Mark scripts as having already been evaluated
4727 function setGlobalEval( elems, refElements ) {
4728 var i = 0,
4729 l = elems.length;
4730
4731 for ( ; i < l; i++ ) {
4732 dataPriv.set(
4733 elems[ i ],
4734 "globalEval",
4735 !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4736 );
4737 }
4738 }
4739
4740
4741 var rhtml = /<|&#?\w+;/;
4742
4743 function buildFragment( elems, context, scripts, selection, ignored ) {
4744 var elem, tmp, tag, wrap, contains, j,
4745 fragment = context.createDocumentFragment(),
4746 nodes = [],
4747 i = 0,
4748 l = elems.length;
4749
4750 for ( ; i < l; i++ ) {
4751 elem = elems[ i ];
4752
4753 if ( elem || elem === 0 ) {
4754
4755 // Add nodes directly
4756 if ( toType( elem ) === "object" ) {
4757
4758 // Support: Android <=4.0 only, PhantomJS 1 only
4759 // push.apply(_, arraylike) throws on ancient WebKit
4760 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
4761
4762 // Convert non-html into a text node
4763 } else if ( !rhtml.test( elem ) ) {
4764 nodes.push( context.createTextNode( elem ) );
4765
4766 // Convert html into DOM nodes
4767 } else {
4768 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
4769
4770 // Deserialize a standard representation
4771 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
4772 wrap = wrapMap[ tag ] || wrapMap._default;
4773 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
4774
4775 // Descend through wrappers to the right content
4776 j = wrap[ 0 ];
4777 while ( j-- ) {
4778 tmp = tmp.lastChild;
4779 }
4780
4781 // Support: Android <=4.0 only, PhantomJS 1 only
4782 // push.apply(_, arraylike) throws on ancient WebKit
4783 jQuery.merge( nodes, tmp.childNodes );
4784
4785 // Remember the top-level container
4786 tmp = fragment.firstChild;
4787
4788 // Ensure the created nodes are orphaned (#12392)
4789 tmp.textContent = "";
4790 }
4791 }
4792 }
4793
4794 // Remove wrapper from fragment
4795 fragment.textContent = "";
4796
4797 i = 0;
4798 while ( ( elem = nodes[ i++ ] ) ) {
4799
4800 // Skip elements already in the context collection (trac-4087)
4801 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4802 if ( ignored ) {
4803 ignored.push( elem );
4804 }
4805 continue;
4806 }
4807
4808 contains = jQuery.contains( elem.ownerDocument, elem );
4809
4810 // Append to fragment
4811 tmp = getAll( fragment.appendChild( elem ), "script" );
4812
4813 // Preserve script evaluation history
4814 if ( contains ) {
4815 setGlobalEval( tmp );
4816 }
4817
4818 // Capture executables
4819 if ( scripts ) {
4820 j = 0;
4821 while ( ( elem = tmp[ j++ ] ) ) {
4822 if ( rscriptType.test( elem.type || "" ) ) {
4823 scripts.push( elem );
4824 }
4825 }
4826 }
4827 }
4828
4829 return fragment;
4830 }
4831
4832
4833 ( function() {
4834 var fragment = document.createDocumentFragment(),
4835 div = fragment.appendChild( document.createElement( "div" ) ),
4836 input = document.createElement( "input" );
4837
4838 // Support: Android 4.0 - 4.3 only
4839 // Check state lost if the name is set (#11217)
4840 // Support: Windows Web Apps (WWA)
4841 // `name` and `type` must use .setAttribute for WWA (#14901)
4842 input.setAttribute( "type", "radio" );
4843 input.setAttribute( "checked", "checked" );
4844 input.setAttribute( "name", "t" );
4845
4846 div.appendChild( input );
4847
4848 // Support: Android <=4.1 only
4849 // Older WebKit doesn't clone checked state correctly in fragments
4850 support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4851
4852 // Support: IE <=11 only
4853 // Make sure textarea (and checkbox) defaultValue is properly cloned
4854 div.innerHTML = "<textarea>x</textarea>";
4855 support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4856 } )();
4857 var documentElement = document.documentElement;
4858
4859
4860
4861 var
4862 rkeyEvent = /^key/,
4863 rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4864 rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4865
4866 function returnTrue() {
4867 return true;
4868 }
4869
4870 function returnFalse() {
4871 return false;
4872 }
4873
4874 // Support: IE <=9 only
4875 // See #13393 for more info
4876 function safeActiveElement() {
4877 try {
4878 return document.activeElement;
4879 } catch ( err ) { }
4880 }
4881
4882 function on( elem, types, selector, data, fn, one ) {
4883 var origFn, type;
4884
4885 // Types can be a map of types/handlers
4886 if ( typeof types === "object" ) {
4887
4888 // ( types-Object, selector, data )
4889 if ( typeof selector !== "string" ) {
4890
4891 // ( types-Object, data )
4892 data = data || selector;
4893 selector = undefined;
4894 }
4895 for ( type in types ) {
4896 on( elem, type, selector, data, types[ type ], one );
4897 }
4898 return elem;
4899 }
4900
4901 if ( data == null && fn == null ) {
4902
4903 // ( types, fn )
4904 fn = selector;
4905 data = selector = undefined;
4906 } else if ( fn == null ) {
4907 if ( typeof selector === "string" ) {
4908
4909 // ( types, selector, fn )
4910 fn = data;
4911 data = undefined;
4912 } else {
4913
4914 // ( types, data, fn )
4915 fn = data;
4916 data = selector;
4917 selector = undefined;
4918 }
4919 }
4920 if ( fn === false ) {
4921 fn = returnFalse;
4922 } else if ( !fn ) {
4923 return elem;
4924 }
4925
4926 if ( one === 1 ) {
4927 origFn = fn;
4928 fn = function( event ) {
4929
4930 // Can use an empty set, since event contains the info
4931 jQuery().off( event );
4932 return origFn.apply( this, arguments );
4933 };
4934
4935 // Use same guid so caller can remove using origFn
4936 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4937 }
4938 return elem.each( function() {
4939 jQuery.event.add( this, types, fn, data, selector );
4940 } );
4941 }
4942
4943 /*
4944 * Helper functions for managing events -- not part of the public interface.
4945 * Props to Dean Edwards' addEvent library for many of the ideas.
4946 */
4947 jQuery.event = {
4948
4949 global: {},
4950
4951 add: function( elem, types, handler, data, selector ) {
4952
4953 var handleObjIn, eventHandle, tmp,
4954 events, t, handleObj,
4955 special, handlers, type, namespaces, origType,
4956 elemData = dataPriv.get( elem );
4957
4958 // Don't attach events to noData or text/comment nodes (but allow plain objects)
4959 if ( !elemData ) {
4960 return;
4961 }
4962
4963 // Caller can pass in an object of custom data in lieu of the handler
4964 if ( handler.handler ) {
4965 handleObjIn = handler;
4966 handler = handleObjIn.handler;
4967 selector = handleObjIn.selector;
4968 }
4969
4970 // Ensure that invalid selectors throw exceptions at attach time
4971 // Evaluate against documentElement in case elem is a non-element node (e.g., document)
4972 if ( selector ) {
4973 jQuery.find.matchesSelector( documentElement, selector );
4974 }
4975
4976 // Make sure that the handler has a unique ID, used to find/remove it later
4977 if ( !handler.guid ) {
4978 handler.guid = jQuery.guid++;
4979 }
4980
4981 // Init the element's event structure and main handler, if this is the first
4982 if ( !( events = elemData.events ) ) {
4983 events = elemData.events = {};
4984 }
4985 if ( !( eventHandle = elemData.handle ) ) {
4986 eventHandle = elemData.handle = function( e ) {
4987
4988 // Discard the second event of a jQuery.event.trigger() and
4989 // when an event is called after a page has unloaded
4990 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
4991 jQuery.event.dispatch.apply( elem, arguments ) : undefined;
4992 };
4993 }
4994
4995 // Handle multiple events separated by a space
4996 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
4997 t = types.length;
4998 while ( t-- ) {
4999 tmp = rtypenamespace.exec( types[ t ] ) || [];
5000 type = origType = tmp[ 1 ];
5001 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5002
5003 // There *must* be a type, no attaching namespace-only handlers
5004 if ( !type ) {
5005 continue;
5006 }
5007
5008 // If event changes its type, use the special event handlers for the changed type
5009 special = jQuery.event.special[ type ] || {};
5010
5011 // If selector defined, determine special event api type, otherwise given type
5012 type = ( selector ? special.delegateType : special.bindType ) || type;
5013
5014 // Update special based on newly reset type
5015 special = jQuery.event.special[ type ] || {};
5016
5017 // handleObj is passed to all event handlers
5018 handleObj = jQuery.extend( {
5019 type: type,
5020 origType: origType,
5021 data: data,
5022 handler: handler,
5023 guid: handler.guid,
5024 selector: selector,
5025 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5026 namespace: namespaces.join( "." )
5027 }, handleObjIn );
5028
5029 // Init the event handler queue if we're the first
5030 if ( !( handlers = events[ type ] ) ) {
5031 handlers = events[ type ] = [];
5032 handlers.delegateCount = 0;
5033
5034 // Only use addEventListener if the special events handler returns false
5035 if ( !special.setup ||
5036 special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5037
5038 if ( elem.addEventListener ) {
5039 elem.addEventListener( type, eventHandle );
5040 }
5041 }
5042 }
5043
5044 if ( special.add ) {
5045 special.add.call( elem, handleObj );
5046
5047 if ( !handleObj.handler.guid ) {
5048 handleObj.handler.guid = handler.guid;
5049 }
5050 }
5051
5052 // Add to the element's handler list, delegates in front
5053 if ( selector ) {
5054 handlers.splice( handlers.delegateCount++, 0, handleObj );
5055 } else {
5056 handlers.push( handleObj );
5057 }
5058
5059 // Keep track of which events have ever been used, for event optimization
5060 jQuery.event.global[ type ] = true;
5061 }
5062
5063 },
5064
5065 // Detach an event or set of events from an element
5066 remove: function( elem, types, handler, selector, mappedTypes ) {
5067
5068 var j, origCount, tmp,
5069 events, t, handleObj,
5070 special, handlers, type, namespaces, origType,
5071 elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5072
5073 if ( !elemData || !( events = elemData.events ) ) {
5074 return;
5075 }
5076
5077 // Once for each type.namespace in types; type may be omitted
5078 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5079 t = types.length;
5080 while ( t-- ) {
5081 tmp = rtypenamespace.exec( types[ t ] ) || [];
5082 type = origType = tmp[ 1 ];
5083 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5084
5085 // Unbind all events (on this namespace, if provided) for the element
5086 if ( !type ) {
5087 for ( type in events ) {
5088 jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5089 }
5090 continue;
5091 }
5092
5093 special = jQuery.event.special[ type ] || {};
5094 type = ( selector ? special.delegateType : special.bindType ) || type;
5095 handlers = events[ type ] || [];
5096 tmp = tmp[ 2 ] &&
5097 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5098
5099 // Remove matching events
5100 origCount = j = handlers.length;
5101 while ( j-- ) {
5102 handleObj = handlers[ j ];
5103
5104 if ( ( mappedTypes || origType === handleObj.origType ) &&
5105 ( !handler || handler.guid === handleObj.guid ) &&
5106 ( !tmp || tmp.test( handleObj.namespace ) ) &&
5107 ( !selector || selector === handleObj.selector ||
5108 selector === "**" && handleObj.selector ) ) {
5109 handlers.splice( j, 1 );
5110
5111 if ( handleObj.selector ) {
5112 handlers.delegateCount--;
5113 }
5114 if ( special.remove ) {
5115 special.remove.call( elem, handleObj );
5116 }
5117 }
5118 }
5119
5120 // Remove generic event handler if we removed something and no more handlers exist
5121 // (avoids potential for endless recursion during removal of special event handlers)
5122 if ( origCount && !handlers.length ) {
5123 if ( !special.teardown ||
5124 special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5125
5126 jQuery.removeEvent( elem, type, elemData.handle );
5127 }
5128
5129 delete events[ type ];
5130 }
5131 }
5132
5133 // Remove data and the expando if it's no longer used
5134 if ( jQuery.isEmptyObject( events ) ) {
5135 dataPriv.remove( elem, "handle events" );
5136 }
5137 },
5138
5139 dispatch: function( nativeEvent ) {
5140
5141 // Make a writable jQuery.Event from the native event object
5142 var event = jQuery.event.fix( nativeEvent );
5143
5144 var i, j, ret, matched, handleObj, handlerQueue,
5145 args = new Array( arguments.length ),
5146 handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
5147 special = jQuery.event.special[ event.type ] || {};
5148
5149 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5150 args[ 0 ] = event;
5151
5152 for ( i = 1; i < arguments.length; i++ ) {
5153 args[ i ] = arguments[ i ];
5154 }
5155
5156 event.delegateTarget = this;
5157
5158 // Call the preDispatch hook for the mapped type, and let it bail if desired
5159 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5160 return;
5161 }
5162
5163 // Determine handlers
5164 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5165
5166 // Run delegates first; they may want to stop propagation beneath us
5167 i = 0;
5168 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5169 event.currentTarget = matched.elem;
5170
5171 j = 0;
5172 while ( ( handleObj = matched.handlers[ j++ ] ) &&
5173 !event.isImmediatePropagationStopped() ) {
5174
5175 // Triggered event must either 1) have no namespace, or 2) have namespace(s)
5176 // a subset or equal to those in the bound event (both can have no namespace).
5177 if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
5178
5179 event.handleObj = handleObj;
5180 event.data = handleObj.data;
5181
5182 ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5183 handleObj.handler ).apply( matched.elem, args );
5184
5185 if ( ret !== undefined ) {
5186 if ( ( event.result = ret ) === false ) {
5187 event.preventDefault();
5188 event.stopPropagation();
5189 }
5190 }
5191 }
5192 }
5193 }
5194
5195 // Call the postDispatch hook for the mapped type
5196 if ( special.postDispatch ) {
5197 special.postDispatch.call( this, event );
5198 }
5199
5200 return event.result;
5201 },
5202
5203 handlers: function( event, handlers ) {
5204 var i, handleObj, sel, matchedHandlers, matchedSelectors,
5205 handlerQueue = [],
5206 delegateCount = handlers.delegateCount,
5207 cur = event.target;
5208
5209 // Find delegate handlers
5210 if ( delegateCount &&
5211
5212 // Support: IE <=9
5213 // Black-hole SVG <use> instance trees (trac-13180)
5214 cur.nodeType &&
5215
5216 // Support: Firefox <=42
5217 // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5218 // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5219 // Support: IE 11 only
5220 // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5221 !( event.type === "click" && event.button >= 1 ) ) {
5222
5223 for ( ; cur !== this; cur = cur.parentNode || this ) {
5224
5225 // Don't check non-elements (#13208)
5226 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5227 if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5228 matchedHandlers = [];
5229 matchedSelectors = {};
5230 for ( i = 0; i < delegateCount; i++ ) {
5231 handleObj = handlers[ i ];
5232
5233 // Don't conflict with Object.prototype properties (#13203)
5234 sel = handleObj.selector + " ";
5235
5236 if ( matchedSelectors[ sel ] === undefined ) {
5237 matchedSelectors[ sel ] = handleObj.needsContext ?
5238 jQuery( sel, this ).index( cur ) > -1 :
5239 jQuery.find( sel, this, null, [ cur ] ).length;
5240 }
5241 if ( matchedSelectors[ sel ] ) {
5242 matchedHandlers.push( handleObj );
5243 }
5244 }
5245 if ( matchedHandlers.length ) {
5246 handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5247 }
5248 }
5249 }
5250 }
5251
5252 // Add the remaining (directly-bound) handlers
5253 cur = this;
5254 if ( delegateCount < handlers.length ) {
5255 handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5256 }
5257
5258 return handlerQueue;
5259 },
5260
5261 addProp: function( name, hook ) {
5262 Object.defineProperty( jQuery.Event.prototype, name, {
5263 enumerable: true,
5264 configurable: true,
5265
5266 get: isFunction( hook ) ?
5267 function() {
5268 if ( this.originalEvent ) {
5269 return hook( this.originalEvent );
5270 }
5271 } :
5272 function() {
5273 if ( this.originalEvent ) {
5274 return this.originalEvent[ name ];
5275 }
5276 },
5277
5278 set: function( value ) {
5279 Object.defineProperty( this, name, {
5280 enumerable: true,
5281 configurable: true,
5282 writable: true,
5283 value: value
5284 } );
5285 }
5286 } );
5287 },
5288
5289 fix: function( originalEvent ) {
5290 return originalEvent[ jQuery.expando ] ?
5291 originalEvent :
5292 new jQuery.Event( originalEvent );
5293 },
5294
5295 special: {
5296 load: {
5297
5298 // Prevent triggered image.load events from bubbling to window.load
5299 noBubble: true
5300 },
5301 focus: {
5302
5303 // Fire native event if possible so blur/focus sequence is correct
5304 trigger: function() {
5305 if ( this !== safeActiveElement() && this.focus ) {
5306 this.focus();
5307 return false;
5308 }
5309 },
5310 delegateType: "focusin"
5311 },
5312 blur: {
5313 trigger: function() {
5314 if ( this === safeActiveElement() && this.blur ) {
5315 this.blur();
5316 return false;
5317 }
5318 },
5319 delegateType: "focusout"
5320 },
5321 click: {
5322
5323 // For checkbox, fire native event so checked state will be right
5324 trigger: function() {
5325 if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) {
5326 this.click();
5327 return false;
5328 }
5329 },
5330
5331 // For cross-browser consistency, don't fire native .click() on links
5332 _default: function( event ) {
5333 return nodeName( event.target, "a" );
5334 }
5335 },
5336
5337 beforeunload: {
5338 postDispatch: function( event ) {
5339
5340 // Support: Firefox 20+
5341 // Firefox doesn't alert if the returnValue field is not set.
5342 if ( event.result !== undefined && event.originalEvent ) {
5343 event.originalEvent.returnValue = event.result;
5344 }
5345 }
5346 }
5347 }
5348 };
5349
5350 jQuery.removeEvent = function( elem, type, handle ) {
5351
5352 // This "if" is needed for plain objects
5353 if ( elem.removeEventListener ) {
5354 elem.removeEventListener( type, handle );
5355 }
5356 };
5357
5358 jQuery.Event = function( src, props ) {
5359
5360 // Allow instantiation without the 'new' keyword
5361 if ( !( this instanceof jQuery.Event ) ) {
5362 return new jQuery.Event( src, props );
5363 }
5364
5365 // Event object
5366 if ( src && src.type ) {
5367 this.originalEvent = src;
5368 this.type = src.type;
5369
5370 // Events bubbling up the document may have been marked as prevented
5371 // by a handler lower down the tree; reflect the correct value.
5372 this.isDefaultPrevented = src.defaultPrevented ||
5373 src.defaultPrevented === undefined &&
5374
5375 // Support: Android <=2.3 only
5376 src.returnValue === false ?
5377 returnTrue :
5378 returnFalse;
5379
5380 // Create target properties
5381 // Support: Safari <=6 - 7 only
5382 // Target should not be a text node (#504, #13143)
5383 this.target = ( src.target && src.target.nodeType === 3 ) ?
5384 src.target.parentNode :
5385 src.target;
5386
5387 this.currentTarget = src.currentTarget;
5388 this.relatedTarget = src.relatedTarget;
5389
5390 // Event type
5391 } else {
5392 this.type = src;
5393 }
5394
5395 // Put explicitly provided properties onto the event object
5396 if ( props ) {
5397 jQuery.extend( this, props );
5398 }
5399
5400 // Create a timestamp if incoming event doesn't have one
5401 this.timeStamp = src && src.timeStamp || Date.now();
5402
5403 // Mark it as fixed
5404 this[ jQuery.expando ] = true;
5405 };
5406
5407 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5408 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5409 jQuery.Event.prototype = {
5410 constructor: jQuery.Event,
5411 isDefaultPrevented: returnFalse,
5412 isPropagationStopped: returnFalse,
5413 isImmediatePropagationStopped: returnFalse,
5414 isSimulated: false,
5415
5416 preventDefault: function() {
5417 var e = this.originalEvent;
5418
5419 this.isDefaultPrevented = returnTrue;
5420
5421 if ( e && !this.isSimulated ) {
5422 e.preventDefault();
5423 }
5424 },
5425 stopPropagation: function() {
5426 var e = this.originalEvent;
5427
5428 this.isPropagationStopped = returnTrue;
5429
5430 if ( e && !this.isSimulated ) {
5431 e.stopPropagation();
5432 }
5433 },
5434 stopImmediatePropagation: function() {
5435 var e = this.originalEvent;
5436
5437 this.isImmediatePropagationStopped = returnTrue;
5438
5439 if ( e && !this.isSimulated ) {
5440 e.stopImmediatePropagation();
5441 }
5442
5443 this.stopPropagation();
5444 }
5445 };
5446
5447 // Includes all common event props including KeyEvent and MouseEvent specific props
5448 jQuery.each( {
5449 altKey: true,
5450 bubbles: true,
5451 cancelable: true,
5452 changedTouches: true,
5453 ctrlKey: true,
5454 detail: true,
5455 eventPhase: true,
5456 metaKey: true,
5457 pageX: true,
5458 pageY: true,
5459 shiftKey: true,
5460 view: true,
5461 "char": true,
5462 charCode: true,
5463 key: true,
5464 keyCode: true,
5465 button: true,
5466 buttons: true,
5467 clientX: true,
5468 clientY: true,
5469 offsetX: true,
5470 offsetY: true,
5471 pointerId: true,
5472 pointerType: true,
5473 screenX: true,
5474 screenY: true,
5475 targetTouches: true,
5476 toElement: true,
5477 touches: true,
5478
5479 which: function( event ) {
5480 var button = event.button;
5481
5482 // Add which for key events
5483 if ( event.which == null && rkeyEvent.test( event.type ) ) {
5484 return event.charCode != null ? event.charCode : event.keyCode;
5485 }
5486
5487 // Add which for click: 1 === left; 2 === middle; 3 === right
5488 if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5489 if ( button & 1 ) {
5490 return 1;
5491 }
5492
5493 if ( button & 2 ) {
5494 return 3;
5495 }
5496
5497 if ( button & 4 ) {
5498 return 2;
5499 }
5500
5501 return 0;
5502 }
5503
5504 return event.which;
5505 }
5506 }, jQuery.event.addProp );
5507
5508 // Create mouseenter/leave events using mouseover/out and event-time checks
5509 // so that event delegation works in jQuery.
5510 // Do the same for pointerenter/pointerleave and pointerover/pointerout
5511 //
5512 // Support: Safari 7 only
5513 // Safari sends mouseenter too often; see:
5514 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5515 // for the description of the bug (it existed in older Chrome versions as well).
5516 jQuery.each( {
5517 mouseenter: "mouseover",
5518 mouseleave: "mouseout",
5519 pointerenter: "pointerover",
5520 pointerleave: "pointerout"
5521 }, function( orig, fix ) {
5522 jQuery.event.special[ orig ] = {
5523 delegateType: fix,
5524 bindType: fix,
5525
5526 handle: function( event ) {
5527 var ret,
5528 target = this,
5529 related = event.relatedTarget,
5530 handleObj = event.handleObj;
5531
5532 // For mouseenter/leave call the handler if related is outside the target.
5533 // NB: No relatedTarget if the mouse left/entered the browser window
5534 if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5535 event.type = handleObj.origType;
5536 ret = handleObj.handler.apply( this, arguments );
5537 event.type = fix;
5538 }
5539 return ret;
5540 }
5541 };
5542 } );
5543
5544 jQuery.fn.extend( {
5545
5546 on: function( types, selector, data, fn ) {
5547 return on( this, types, selector, data, fn );
5548 },
5549 one: function( types, selector, data, fn ) {
5550 return on( this, types, selector, data, fn, 1 );
5551 },
5552 off: function( types, selector, fn ) {
5553 var handleObj, type;
5554 if ( types && types.preventDefault && types.handleObj ) {
5555
5556 // ( event ) dispatched jQuery.Event
5557 handleObj = types.handleObj;
5558 jQuery( types.delegateTarget ).off(
5559 handleObj.namespace ?
5560 handleObj.origType + "." + handleObj.namespace :
5561 handleObj.origType,
5562 handleObj.selector,
5563 handleObj.handler
5564 );
5565 return this;
5566 }
5567 if ( typeof types === "object" ) {
5568
5569 // ( types-object [, selector] )
5570 for ( type in types ) {
5571 this.off( type, selector, types[ type ] );
5572 }
5573 return this;
5574 }
5575 if ( selector === false || typeof selector === "function" ) {
5576
5577 // ( types [, fn] )
5578 fn = selector;
5579 selector = undefined;
5580 }
5581 if ( fn === false ) {
5582 fn = returnFalse;
5583 }
5584 return this.each( function() {
5585 jQuery.event.remove( this, types, fn, selector );
5586 } );
5587 }
5588 } );
5589
5590
5591 var
5592
5593 /* eslint-disable max-len */
5594
5595 // See https://github.com/eslint/eslint/issues/3229
5596 rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
5597
5598 /* eslint-enable */
5599
5600 // Support: IE <=10 - 11, Edge 12 - 13 only
5601 // In IE/Edge using regex groups here causes severe slowdowns.
5602 // See https://connect.microsoft.com/IE/feedback/details/1736512/
5603 rnoInnerhtml = /<script|<style|<link/i,
5604
5605 // checked="checked" or checked
5606 rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5607 rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5608
5609 // Prefer a tbody over its parent table for containing new rows
5610 function manipulationTarget( elem, content ) {
5611 if ( nodeName( elem, "table" ) &&
5612 nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5613
5614 return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5615 }
5616
5617 return elem;
5618 }
5619
5620 // Replace/restore the type attribute of script elements for safe DOM manipulation
5621 function disableScript( elem ) {
5622 elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5623 return elem;
5624 }
5625 function restoreScript( elem ) {
5626 if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5627 elem.type = elem.type.slice( 5 );
5628 } else {
5629 elem.removeAttribute( "type" );
5630 }
5631
5632 return elem;
5633 }
5634
5635 function cloneCopyEvent( src, dest ) {
5636 var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
5637
5638 if ( dest.nodeType !== 1 ) {
5639 return;
5640 }
5641
5642 // 1. Copy private data: events, handlers, etc.
5643 if ( dataPriv.hasData( src ) ) {
5644 pdataOld = dataPriv.access( src );
5645 pdataCur = dataPriv.set( dest, pdataOld );
5646 events = pdataOld.events;
5647
5648 if ( events ) {
5649 delete pdataCur.handle;
5650 pdataCur.events = {};
5651
5652 for ( type in events ) {
5653 for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5654 jQuery.event.add( dest, type, events[ type ][ i ] );
5655 }
5656 }
5657 }
5658 }
5659
5660 // 2. Copy user data
5661 if ( dataUser.hasData( src ) ) {
5662 udataOld = dataUser.access( src );
5663 udataCur = jQuery.extend( {}, udataOld );
5664
5665 dataUser.set( dest, udataCur );
5666 }
5667 }
5668
5669 // Fix IE bugs, see support tests
5670 function fixInput( src, dest ) {
5671 var nodeName = dest.nodeName.toLowerCase();
5672
5673 // Fails to persist the checked state of a cloned checkbox or radio button.
5674 if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5675 dest.checked = src.checked;
5676
5677 // Fails to return the selected option to the default selected state when cloning options
5678 } else if ( nodeName === "input" || nodeName === "textarea" ) {
5679 dest.defaultValue = src.defaultValue;
5680 }
5681 }
5682
5683 function domManip( collection, args, callback, ignored ) {
5684
5685 // Flatten any nested arrays
5686 args = concat.apply( [], args );
5687
5688 var fragment, first, scripts, hasScripts, node, doc,
5689 i = 0,
5690 l = collection.length,
5691 iNoClone = l - 1,
5692 value = args[ 0 ],
5693 valueIsFunction = isFunction( value );
5694
5695 // We can't cloneNode fragments that contain checked, in WebKit
5696 if ( valueIsFunction ||
5697 ( l > 1 && typeof value === "string" &&
5698 !support.checkClone && rchecked.test( value ) ) ) {
5699 return collection.each( function( index ) {
5700 var self = collection.eq( index );
5701 if ( valueIsFunction ) {
5702 args[ 0 ] = value.call( this, index, self.html() );
5703 }
5704 domManip( self, args, callback, ignored );
5705 } );
5706 }
5707
5708 if ( l ) {
5709 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
5710 first = fragment.firstChild;
5711
5712 if ( fragment.childNodes.length === 1 ) {
5713 fragment = first;
5714 }
5715
5716 // Require either new content or an interest in ignored elements to invoke the callback
5717 if ( first || ignored ) {
5718 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5719 hasScripts = scripts.length;
5720
5721 // Use the original fragment for the last item
5722 // instead of the first because it can end up
5723 // being emptied incorrectly in certain situations (#8070).
5724 for ( ; i < l; i++ ) {
5725 node = fragment;
5726
5727 if ( i !== iNoClone ) {
5728 node = jQuery.clone( node, true, true );
5729
5730 // Keep references to cloned scripts for later restoration
5731 if ( hasScripts ) {
5732
5733 // Support: Android <=4.0 only, PhantomJS 1 only
5734 // push.apply(_, arraylike) throws on ancient WebKit
5735 jQuery.merge( scripts, getAll( node, "script" ) );
5736 }
5737 }
5738
5739 callback.call( collection[ i ], node, i );
5740 }
5741
5742 if ( hasScripts ) {
5743 doc = scripts[ scripts.length - 1 ].ownerDocument;
5744
5745 // Reenable scripts
5746 jQuery.map( scripts, restoreScript );
5747
5748 // Evaluate executable scripts on first document insertion
5749 for ( i = 0; i < hasScripts; i++ ) {
5750 node = scripts[ i ];
5751 if ( rscriptType.test( node.type || "" ) &&
5752 !dataPriv.access( node, "globalEval" ) &&
5753 jQuery.contains( doc, node ) ) {
5754
5755 if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) {
5756
5757 // Optional AJAX dependency, but won't run scripts if not present
5758 if ( jQuery._evalUrl ) {
5759 jQuery._evalUrl( node.src );
5760 }
5761 } else {
5762 DOMEval( node.textContent.replace( rcleanScript, "" ), doc, node );
5763 }
5764 }
5765 }
5766 }
5767 }
5768 }
5769
5770 return collection;
5771 }
5772
5773 function remove( elem, selector, keepData ) {
5774 var node,
5775 nodes = selector ? jQuery.filter( selector, elem ) : elem,
5776 i = 0;
5777
5778 for ( ; ( node = nodes[ i ] ) != null; i++ ) {
5779 if ( !keepData && node.nodeType === 1 ) {
5780 jQuery.cleanData( getAll( node ) );
5781 }
5782
5783 if ( node.parentNode ) {
5784 if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
5785 setGlobalEval( getAll( node, "script" ) );
5786 }
5787 node.parentNode.removeChild( node );
5788 }
5789 }
5790
5791 return elem;
5792 }
5793
5794 jQuery.extend( {
5795 htmlPrefilter: function( html ) {
5796 return html.replace( rxhtmlTag, "<$1></$2>" );
5797 },
5798
5799 clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5800 var i, l, srcElements, destElements,
5801 clone = elem.cloneNode( true ),
5802 inPage = jQuery.contains( elem.ownerDocument, elem );
5803
5804 // Fix IE cloning issues
5805 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
5806 !jQuery.isXMLDoc( elem ) ) {
5807
5808 // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
5809 destElements = getAll( clone );
5810 srcElements = getAll( elem );
5811
5812 for ( i = 0, l = srcElements.length; i < l; i++ ) {
5813 fixInput( srcElements[ i ], destElements[ i ] );
5814 }
5815 }
5816
5817 // Copy the events from the original to the clone
5818 if ( dataAndEvents ) {
5819 if ( deepDataAndEvents ) {
5820 srcElements = srcElements || getAll( elem );
5821 destElements = destElements || getAll( clone );
5822
5823 for ( i = 0, l = srcElements.length; i < l; i++ ) {
5824 cloneCopyEvent( srcElements[ i ], destElements[ i ] );
5825 }
5826 } else {
5827 cloneCopyEvent( elem, clone );
5828 }
5829 }
5830
5831 // Preserve script evaluation history
5832 destElements = getAll( clone, "script" );
5833 if ( destElements.length > 0 ) {
5834 setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
5835 }
5836
5837 // Return the cloned set
5838 return clone;
5839 },
5840
5841 cleanData: function( elems ) {
5842 var data, elem, type,
5843 special = jQuery.event.special,
5844 i = 0;
5845
5846 for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
5847 if ( acceptData( elem ) ) {
5848 if ( ( data = elem[ dataPriv.expando ] ) ) {
5849 if ( data.events ) {
5850 for ( type in data.events ) {
5851 if ( special[ type ] ) {
5852 jQuery.event.remove( elem, type );
5853
5854 // This is a shortcut to avoid jQuery.event.remove's overhead
5855 } else {
5856 jQuery.removeEvent( elem, type, data.handle );
5857 }
5858 }
5859 }
5860
5861 // Support: Chrome <=35 - 45+
5862 // Assign undefined instead of using delete, see Data#remove
5863 elem[ dataPriv.expando ] = undefined;
5864 }
5865 if ( elem[ dataUser.expando ] ) {
5866
5867 // Support: Chrome <=35 - 45+
5868 // Assign undefined instead of using delete, see Data#remove
5869 elem[ dataUser.expando ] = undefined;
5870 }
5871 }
5872 }
5873 }
5874 } );
5875
5876 jQuery.fn.extend( {
5877 detach: function( selector ) {
5878 return remove( this, selector, true );
5879 },
5880
5881 remove: function( selector ) {
5882 return remove( this, selector );
5883 },
5884
5885 text: function( value ) {
5886 return access( this, function( value ) {
5887 return value === undefined ?
5888 jQuery.text( this ) :
5889 this.empty().each( function() {
5890 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5891 this.textContent = value;
5892 }
5893 } );
5894 }, null, value, arguments.length );
5895 },
5896
5897 append: function() {
5898 return domManip( this, arguments, function( elem ) {
5899 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5900 var target = manipulationTarget( this, elem );
5901 target.appendChild( elem );
5902 }
5903 } );
5904 },
5905
5906 prepend: function() {
5907 return domManip( this, arguments, function( elem ) {
5908 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5909 var target = manipulationTarget( this, elem );
5910 target.insertBefore( elem, target.firstChild );
5911 }
5912 } );
5913 },
5914
5915 before: function() {
5916 return domManip( this, arguments, function( elem ) {
5917 if ( this.parentNode ) {
5918 this.parentNode.insertBefore( elem, this );
5919 }
5920 } );
5921 },
5922
5923 after: function() {
5924 return domManip( this, arguments, function( elem ) {
5925 if ( this.parentNode ) {
5926 this.parentNode.insertBefore( elem, this.nextSibling );
5927 }
5928 } );
5929 },
5930
5931 empty: function() {
5932 var elem,
5933 i = 0;
5934
5935 for ( ; ( elem = this[ i ] ) != null; i++ ) {
5936 if ( elem.nodeType === 1 ) {
5937
5938 // Prevent memory leaks
5939 jQuery.cleanData( getAll( elem, false ) );
5940
5941 // Remove any remaining nodes
5942 elem.textContent = "";
5943 }
5944 }
5945
5946 return this;
5947 },
5948
5949 clone: function( dataAndEvents, deepDataAndEvents ) {
5950 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5951 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5952
5953 return this.map( function() {
5954 return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5955 } );
5956 },
5957
5958 html: function( value ) {
5959 return access( this, function( value ) {
5960 var elem = this[ 0 ] || {},
5961 i = 0,
5962 l = this.length;
5963
5964 if ( value === undefined && elem.nodeType === 1 ) {
5965 return elem.innerHTML;
5966 }
5967
5968 // See if we can take a shortcut and just use innerHTML
5969 if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
5970 !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
5971
5972 value = jQuery.htmlPrefilter( value );
5973
5974 try {
5975 for ( ; i < l; i++ ) {
5976 elem = this[ i ] || {};
5977
5978 // Remove element nodes and prevent memory leaks
5979 if ( elem.nodeType === 1 ) {
5980 jQuery.cleanData( getAll( elem, false ) );
5981 elem.innerHTML = value;
5982 }
5983 }
5984
5985 elem = 0;
5986
5987 // If using innerHTML throws an exception, use the fallback method
5988 } catch ( e ) {}
5989 }
5990
5991 if ( elem ) {
5992 this.empty().append( value );
5993 }
5994 }, null, value, arguments.length );
5995 },
5996
5997 replaceWith: function() {
5998 var ignored = [];
5999
6000 // Make the changes, replacing each non-ignored context element with the new content
6001 return domManip( this, arguments, function( elem ) {
6002 var parent = this.parentNode;
6003
6004 if ( jQuery.inArray( this, ignored ) < 0 ) {
6005 jQuery.cleanData( getAll( this ) );
6006 if ( parent ) {
6007 parent.replaceChild( elem, this );
6008 }
6009 }
6010
6011 // Force callback invocation
6012 }, ignored );
6013 }
6014 } );
6015
6016 jQuery.each( {
6017 appendTo: "append",
6018 prependTo: "prepend",
6019 insertBefore: "before",
6020 insertAfter: "after",
6021 replaceAll: "replaceWith"
6022 }, function( name, original ) {
6023 jQuery.fn[ name ] = function( selector ) {
6024 var elems,
6025 ret = [],
6026 insert = jQuery( selector ),
6027 last = insert.length - 1,
6028 i = 0;
6029
6030 for ( ; i <= last; i++ ) {
6031 elems = i === last ? this : this.clone( true );
6032 jQuery( insert[ i ] )[ original ]( elems );
6033
6034 // Support: Android <=4.0 only, PhantomJS 1 only
6035 // .get() because push.apply(_, arraylike) throws on ancient WebKit
6036 push.apply( ret, elems.get() );
6037 }
6038
6039 return this.pushStack( ret );
6040 };
6041 } );
6042 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6043
6044 var getStyles = function( elem ) {
6045
6046 // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6047 // IE throws on elements created in popups
6048 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6049 var view = elem.ownerDocument.defaultView;
6050
6051 if ( !view || !view.opener ) {
6052 view = window;
6053 }
6054
6055 return view.getComputedStyle( elem );
6056 };
6057
6058 var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
6059
6060
6061
6062 ( function() {
6063
6064 // Executing both pixelPosition & boxSizingReliable tests require only one layout
6065 // so they're executed at the same time to save the second computation.
6066 function computeStyleTests() {
6067
6068 // This is a singleton, we need to execute it only once
6069 if ( !div ) {
6070 return;
6071 }
6072
6073 container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6074 "margin-top:1px;padding:0;border:0";
6075 div.style.cssText =
6076 "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6077 "margin:auto;border:1px;padding:1px;" +
6078 "width:60%;top:1%";
6079 documentElement.appendChild( container ).appendChild( div );
6080
6081 var divStyle = window.getComputedStyle( div );
6082 pixelPositionVal = divStyle.top !== "1%";
6083
6084 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6085 reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
6086
6087 // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
6088 // Some styles come back with percentage values, even though they shouldn't
6089 div.style.right = "60%";
6090 pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
6091
6092 // Support: IE 9 - 11 only
6093 // Detect misreporting of content dimensions for box-sizing:border-box elements
6094 boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6095
6096 // Support: IE 9 only
6097 // Detect overflow:scroll screwiness (gh-3699)
6098 div.style.position = "absolute";
6099 scrollboxSizeVal = div.offsetWidth === 36 || "absolute";
6100
6101 documentElement.removeChild( container );
6102
6103 // Nullify the div so it wouldn't be stored in the memory and
6104 // it will also be a sign that checks already performed
6105 div = null;
6106 }
6107
6108 function roundPixelMeasures( measure ) {
6109 return Math.round( parseFloat( measure ) );
6110 }
6111
6112 var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6113 reliableMarginLeftVal,
6114 container = document.createElement( "div" ),
6115 div = document.createElement( "div" );
6116
6117 // Finish early in limited (non-browser) environments
6118 if ( !div.style ) {
6119 return;
6120 }
6121
6122 // Support: IE <=9 - 11 only
6123 // Style of cloned element affects source element cloned (#8908)
6124 div.style.backgroundClip = "content-box";
6125 div.cloneNode( true ).style.backgroundClip = "";
6126 support.clearCloneStyle = div.style.backgroundClip === "content-box";
6127
6128 jQuery.extend( support, {
6129 boxSizingReliable: function() {
6130 computeStyleTests();
6131 return boxSizingReliableVal;
6132 },
6133 pixelBoxStyles: function() {
6134 computeStyleTests();
6135 return pixelBoxStylesVal;
6136 },
6137 pixelPosition: function() {
6138 computeStyleTests();
6139 return pixelPositionVal;
6140 },
6141 reliableMarginLeft: function() {
6142 computeStyleTests();
6143 return reliableMarginLeftVal;
6144 },
6145 scrollboxSize: function() {
6146 computeStyleTests();
6147 return scrollboxSizeVal;
6148 }
6149 } );
6150 } )();
6151
6152
6153 function curCSS( elem, name, computed ) {
6154 var width, minWidth, maxWidth, ret,
6155
6156 // Support: Firefox 51+
6157 // Retrieving style before computed somehow
6158 // fixes an issue with getting wrong values
6159 // on detached elements
6160 style = elem.style;
6161
6162 computed = computed || getStyles( elem );
6163
6164 // getPropertyValue is needed for:
6165 // .css('filter') (IE 9 only, #12537)
6166 // .css('--customProperty) (#3144)
6167 if ( computed ) {
6168 ret = computed.getPropertyValue( name ) || computed[ name ];
6169
6170 if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6171 ret = jQuery.style( elem, name );
6172 }
6173
6174 // A tribute to the "awesome hack by Dean Edwards"
6175 // Android Browser returns percentage for some values,
6176 // but width seems to be reliably pixels.
6177 // This is against the CSSOM draft spec:
6178 // https://drafts.csswg.org/cssom/#resolved-values
6179 if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
6180
6181 // Remember the original values
6182 width = style.width;
6183 minWidth = style.minWidth;
6184 maxWidth = style.maxWidth;
6185
6186 // Put in the new values to get a computed value out
6187 style.minWidth = style.maxWidth = style.width = ret;
6188 ret = computed.width;
6189
6190 // Revert the changed values
6191 style.width = width;
6192 style.minWidth = minWidth;
6193 style.maxWidth = maxWidth;
6194 }
6195 }
6196
6197 return ret !== undefined ?
6198
6199 // Support: IE <=9 - 11 only
6200 // IE returns zIndex value as an integer.
6201 ret + "" :
6202 ret;
6203 }
6204
6205
6206 function addGetHookIf( conditionFn, hookFn ) {
6207
6208 // Define the hook, we'll check on the first run if it's really needed.
6209 return {
6210 get: function() {
6211 if ( conditionFn() ) {
6212
6213 // Hook not needed (or it's not possible to use it due
6214 // to missing dependency), remove it.
6215 delete this.get;
6216 return;
6217 }
6218
6219 // Hook needed; redefine it so that the support test is not executed again.
6220 return ( this.get = hookFn ).apply( this, arguments );
6221 }
6222 };
6223 }
6224
6225
6226 var
6227
6228 // Swappable if display is none or starts with table
6229 // except "table", "table-cell", or "table-caption"
6230 // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6231 rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6232 rcustomProp = /^--/,
6233 cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6234 cssNormalTransform = {
6235 letterSpacing: "0",
6236 fontWeight: "400"
6237 },
6238
6239 cssPrefixes = [ "Webkit", "Moz", "ms" ],
6240 emptyStyle = document.createElement( "div" ).style;
6241
6242 // Return a css property mapped to a potentially vendor prefixed property
6243 function vendorPropName( name ) {
6244
6245 // Shortcut for names that are not vendor prefixed
6246 if ( name in emptyStyle ) {
6247 return name;
6248 }
6249
6250 // Check for vendor prefixed names
6251 var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6252 i = cssPrefixes.length;
6253
6254 while ( i-- ) {
6255 name = cssPrefixes[ i ] + capName;
6256 if ( name in emptyStyle ) {
6257 return name;
6258 }
6259 }
6260 }
6261
6262 // Return a property mapped along what jQuery.cssProps suggests or to
6263 // a vendor prefixed property.
6264 function finalPropName( name ) {
6265 var ret = jQuery.cssProps[ name ];
6266 if ( !ret ) {
6267 ret = jQuery.cssProps[ name ] = vendorPropName( name ) || name;
6268 }
6269 return ret;
6270 }
6271
6272 function setPositiveNumber( elem, value, subtract ) {
6273
6274 // Any relative (+/-) values have already been
6275 // normalized at this point
6276 var matches = rcssNum.exec( value );
6277 return matches ?
6278
6279 // Guard against undefined "subtract", e.g., when used as in cssHooks
6280 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6281 value;
6282 }
6283
6284 function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6285 var i = dimension === "width" ? 1 : 0,
6286 extra = 0,
6287 delta = 0;
6288
6289 // Adjustment may not be necessary
6290 if ( box === ( isBorderBox ? "border" : "content" ) ) {
6291 return 0;
6292 }
6293
6294 for ( ; i < 4; i += 2 ) {
6295
6296 // Both box models exclude margin
6297 if ( box === "margin" ) {
6298 delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6299 }
6300
6301 // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6302 if ( !isBorderBox ) {
6303
6304 // Add padding
6305 delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6306
6307 // For "border" or "margin", add border
6308 if ( box !== "padding" ) {
6309 delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6310
6311 // But still keep track of it otherwise
6312 } else {
6313 extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6314 }
6315
6316 // If we get here with a border-box (content + padding + border), we're seeking "content" or
6317 // "padding" or "margin"
6318 } else {
6319
6320 // For "content", subtract padding
6321 if ( box === "content" ) {
6322 delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6323 }
6324
6325 // For "content" or "padding", subtract border
6326 if ( box !== "margin" ) {
6327 delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6328 }
6329 }
6330 }
6331
6332 // Account for positive content-box scroll gutter when requested by providing computedVal
6333 if ( !isBorderBox && computedVal >= 0 ) {
6334
6335 // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
6336 // Assuming integer scroll gutter, subtract the rest and round down
6337 delta += Math.max( 0, Math.ceil(
6338 elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6339 computedVal -
6340 delta -
6341 extra -
6342 0.5
6343 ) );
6344 }
6345
6346 return delta;
6347 }
6348
6349 function getWidthOrHeight( elem, dimension, extra ) {
6350
6351 // Start with computed style
6352 var styles = getStyles( elem ),
6353 val = curCSS( elem, dimension, styles ),
6354 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6355 valueIsBorderBox = isBorderBox;
6356
6357 // Support: Firefox <=54
6358 // Return a confounding non-pixel value or feign ignorance, as appropriate.
6359 if ( rnumnonpx.test( val ) ) {
6360 if ( !extra ) {
6361 return val;
6362 }
6363 val = "auto";
6364 }
6365
6366 // Check for style in case a browser which returns unreliable values
6367 // for getComputedStyle silently falls back to the reliable elem.style
6368 valueIsBorderBox = valueIsBorderBox &&
6369 ( support.boxSizingReliable() || val === elem.style[ dimension ] );
6370
6371 // Fall back to offsetWidth/offsetHeight when value is "auto"
6372 // This happens for inline elements with no explicit setting (gh-3571)
6373 // Support: Android <=4.1 - 4.3 only
6374 // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
6375 if ( val === "auto" ||
6376 !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) {
6377
6378 val = elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ];
6379
6380 // offsetWidth/offsetHeight provide border-box values
6381 valueIsBorderBox = true;
6382 }
6383
6384 // Normalize "" and auto
6385 val = parseFloat( val ) || 0;
6386
6387 // Adjust for the element's box model
6388 return ( val +
6389 boxModelAdjustment(
6390 elem,
6391 dimension,
6392 extra || ( isBorderBox ? "border" : "content" ),
6393 valueIsBorderBox,
6394 styles,
6395
6396 // Provide the current computed size to request scroll gutter calculation (gh-3589)
6397 val
6398 )
6399 ) + "px";
6400 }
6401
6402 jQuery.extend( {
6403
6404 // Add in style property hooks for overriding the default
6405 // behavior of getting and setting a style property
6406 cssHooks: {
6407 opacity: {
6408 get: function( elem, computed ) {
6409 if ( computed ) {
6410
6411 // We should always get a number back from opacity
6412 var ret = curCSS( elem, "opacity" );
6413 return ret === "" ? "1" : ret;
6414 }
6415 }
6416 }
6417 },
6418
6419 // Don't automatically add "px" to these possibly-unitless properties
6420 cssNumber: {
6421 "animationIterationCount": true,
6422 "columnCount": true,
6423 "fillOpacity": true,
6424 "flexGrow": true,
6425 "flexShrink": true,
6426 "fontWeight": true,
6427 "lineHeight": true,
6428 "opacity": true,
6429 "order": true,
6430 "orphans": true,
6431 "widows": true,
6432 "zIndex": true,
6433 "zoom": true
6434 },
6435
6436 // Add in properties whose names you wish to fix before
6437 // setting or getting the value
6438 cssProps: {},
6439
6440 // Get and set the style property on a DOM Node
6441 style: function( elem, name, value, extra ) {
6442
6443 // Don't set styles on text and comment nodes
6444 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6445 return;
6446 }
6447
6448 // Make sure that we're working with the right name
6449 var ret, type, hooks,
6450 origName = camelCase( name ),
6451 isCustomProp = rcustomProp.test( name ),
6452 style = elem.style;
6453
6454 // Make sure that we're working with the right name. We don't
6455 // want to query the value if it is a CSS custom property
6456 // since they are user-defined.
6457 if ( !isCustomProp ) {
6458 name = finalPropName( origName );
6459 }
6460
6461 // Gets hook for the prefixed version, then unprefixed version
6462 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6463
6464 // Check if we're setting a value
6465 if ( value !== undefined ) {
6466 type = typeof value;
6467
6468 // Convert "+=" or "-=" to relative numbers (#7345)
6469 if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6470 value = adjustCSS( elem, name, ret );
6471
6472 // Fixes bug #9237
6473 type = "number";
6474 }
6475
6476 // Make sure that null and NaN values aren't set (#7116)
6477 if ( value == null || value !== value ) {
6478 return;
6479 }
6480
6481 // If a number was passed in, add the unit (except for certain CSS properties)
6482 if ( type === "number" ) {
6483 value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6484 }
6485
6486 // background-* props affect original clone's values
6487 if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6488 style[ name ] = "inherit";
6489 }
6490
6491 // If a hook was provided, use that value, otherwise just set the specified value
6492 if ( !hooks || !( "set" in hooks ) ||
6493 ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6494
6495 if ( isCustomProp ) {
6496 style.setProperty( name, value );
6497 } else {
6498 style[ name ] = value;
6499 }
6500 }
6501
6502 } else {
6503
6504 // If a hook was provided get the non-computed value from there
6505 if ( hooks && "get" in hooks &&
6506 ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6507
6508 return ret;
6509 }
6510
6511 // Otherwise just get the value from the style object
6512 return style[ name ];
6513 }
6514 },
6515
6516 css: function( elem, name, extra, styles ) {
6517 var val, num, hooks,
6518 origName = camelCase( name ),
6519 isCustomProp = rcustomProp.test( name );
6520
6521 // Make sure that we're working with the right name. We don't
6522 // want to modify the value if it is a CSS custom property
6523 // since they are user-defined.
6524 if ( !isCustomProp ) {
6525 name = finalPropName( origName );
6526 }
6527
6528 // Try prefixed name followed by the unprefixed name
6529 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6530
6531 // If a hook was provided get the computed value from there
6532 if ( hooks && "get" in hooks ) {
6533 val = hooks.get( elem, true, extra );
6534 }
6535
6536 // Otherwise, if a way to get the computed value exists, use that
6537 if ( val === undefined ) {
6538 val = curCSS( elem, name, styles );
6539 }
6540
6541 // Convert "normal" to computed value
6542 if ( val === "normal" && name in cssNormalTransform ) {
6543 val = cssNormalTransform[ name ];
6544 }
6545
6546 // Make numeric if forced or a qualifier was provided and val looks numeric
6547 if ( extra === "" || extra ) {
6548 num = parseFloat( val );
6549 return extra === true || isFinite( num ) ? num || 0 : val;
6550 }
6551
6552 return val;
6553 }
6554 } );
6555
6556 jQuery.each( [ "height", "width" ], function( i, dimension ) {
6557 jQuery.cssHooks[ dimension ] = {
6558 get: function( elem, computed, extra ) {
6559 if ( computed ) {
6560
6561 // Certain elements can have dimension info if we invisibly show them
6562 // but it must have a current display style that would benefit
6563 return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
6564
6565 // Support: Safari 8+
6566 // Table columns in Safari have non-zero offsetWidth & zero
6567 // getBoundingClientRect().width unless display is changed.
6568 // Support: IE <=11 only
6569 // Running getBoundingClientRect on a disconnected node
6570 // in IE throws an error.
6571 ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
6572 swap( elem, cssShow, function() {
6573 return getWidthOrHeight( elem, dimension, extra );
6574 } ) :
6575 getWidthOrHeight( elem, dimension, extra );
6576 }
6577 },
6578
6579 set: function( elem, value, extra ) {
6580 var matches,
6581 styles = getStyles( elem ),
6582 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6583 subtract = extra && boxModelAdjustment(
6584 elem,
6585 dimension,
6586 extra,
6587 isBorderBox,
6588 styles
6589 );
6590
6591 // Account for unreliable border-box dimensions by comparing offset* to computed and
6592 // faking a content-box to get border and padding (gh-3699)
6593 if ( isBorderBox && support.scrollboxSize() === styles.position ) {
6594 subtract -= Math.ceil(
6595 elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6596 parseFloat( styles[ dimension ] ) -
6597 boxModelAdjustment( elem, dimension, "border", false, styles ) -
6598 0.5
6599 );
6600 }
6601
6602 // Convert to pixels if value adjustment is needed
6603 if ( subtract && ( matches = rcssNum.exec( value ) ) &&
6604 ( matches[ 3 ] || "px" ) !== "px" ) {
6605
6606 elem.style[ dimension ] = value;
6607 value = jQuery.css( elem, dimension );
6608 }
6609
6610 return setPositiveNumber( elem, value, subtract );
6611 }
6612 };
6613 } );
6614
6615 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
6616 function( elem, computed ) {
6617 if ( computed ) {
6618 return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
6619 elem.getBoundingClientRect().left -
6620 swap( elem, { marginLeft: 0 }, function() {
6621 return elem.getBoundingClientRect().left;
6622 } )
6623 ) + "px";
6624 }
6625 }
6626 );
6627
6628 // These hooks are used by animate to expand properties
6629 jQuery.each( {
6630 margin: "",
6631 padding: "",
6632 border: "Width"
6633 }, function( prefix, suffix ) {
6634 jQuery.cssHooks[ prefix + suffix ] = {
6635 expand: function( value ) {
6636 var i = 0,
6637 expanded = {},
6638
6639 // Assumes a single number if not a string
6640 parts = typeof value === "string" ? value.split( " " ) : [ value ];
6641
6642 for ( ; i < 4; i++ ) {
6643 expanded[ prefix + cssExpand[ i ] + suffix ] =
6644 parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6645 }
6646
6647 return expanded;
6648 }
6649 };
6650
6651 if ( prefix !== "margin" ) {
6652 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6653 }
6654 } );
6655
6656 jQuery.fn.extend( {
6657 css: function( name, value ) {
6658 return access( this, function( elem, name, value ) {
6659 var styles, len,
6660 map = {},
6661 i = 0;
6662
6663 if ( Array.isArray( name ) ) {
6664 styles = getStyles( elem );
6665 len = name.length;
6666
6667 for ( ; i < len; i++ ) {
6668 map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6669 }
6670
6671 return map;
6672 }
6673
6674 return value !== undefined ?
6675 jQuery.style( elem, name, value ) :
6676 jQuery.css( elem, name );
6677 }, name, value, arguments.length > 1 );
6678 }
6679 } );
6680
6681
6682 // Based off of the plugin by Clint Helfers, with permission.
6683 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
6684 jQuery.fn.delay = function( time, type ) {
6685 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
6686 type = type || "fx";
6687
6688 return this.queue( type, function( next, hooks ) {
6689 var timeout = window.setTimeout( next, time );
6690 hooks.stop = function() {
6691 window.clearTimeout( timeout );
6692 };
6693 } );
6694 };
6695
6696
6697 ( function() {
6698 var input = document.createElement( "input" ),
6699 select = document.createElement( "select" ),
6700 opt = select.appendChild( document.createElement( "option" ) );
6701
6702 input.type = "checkbox";
6703
6704 // Support: Android <=4.3 only
6705 // Default value for a checkbox should be "on"
6706 support.checkOn = input.value !== "";
6707
6708 // Support: IE <=11 only
6709 // Must access selectedIndex to make default options select
6710 support.optSelected = opt.selected;
6711
6712 // Support: IE <=11 only
6713 // An input loses its value after becoming a radio
6714 input = document.createElement( "input" );
6715 input.value = "t";
6716 input.type = "radio";
6717 support.radioValue = input.value === "t";
6718 } )();
6719
6720
6721 var boolHook,
6722 attrHandle = jQuery.expr.attrHandle;
6723
6724 jQuery.fn.extend( {
6725 attr: function( name, value ) {
6726 return access( this, jQuery.attr, name, value, arguments.length > 1 );
6727 },
6728
6729 removeAttr: function( name ) {
6730 return this.each( function() {
6731 jQuery.removeAttr( this, name );
6732 } );
6733 }
6734 } );
6735
6736 jQuery.extend( {
6737 attr: function( elem, name, value ) {
6738 var ret, hooks,
6739 nType = elem.nodeType;
6740
6741 // Don't get/set attributes on text, comment and attribute nodes
6742 if ( nType === 3 || nType === 8 || nType === 2 ) {
6743 return;
6744 }
6745
6746 // Fallback to prop when attributes are not supported
6747 if ( typeof elem.getAttribute === "undefined" ) {
6748 return jQuery.prop( elem, name, value );
6749 }
6750
6751 // Attribute hooks are determined by the lowercase version
6752 // Grab necessary hook if one is defined
6753 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
6754 hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
6755 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
6756 }
6757
6758 if ( value !== undefined ) {
6759 if ( value === null ) {
6760 jQuery.removeAttr( elem, name );
6761 return;
6762 }
6763
6764 if ( hooks && "set" in hooks &&
6765 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
6766 return ret;
6767 }
6768
6769 elem.setAttribute( name, value + "" );
6770 return value;
6771 }
6772
6773 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
6774 return ret;
6775 }
6776
6777 ret = jQuery.find.attr( elem, name );
6778
6779 // Non-existent attributes return null, we normalize to undefined
6780 return ret == null ? undefined : ret;
6781 },
6782
6783 attrHooks: {
6784 type: {
6785 set: function( elem, value ) {
6786 if ( !support.radioValue && value === "radio" &&
6787 nodeName( elem, "input" ) ) {
6788 var val = elem.value;
6789 elem.setAttribute( "type", value );
6790 if ( val ) {
6791 elem.value = val;
6792 }
6793 return value;
6794 }
6795 }
6796 }
6797 },
6798
6799 removeAttr: function( elem, value ) {
6800 var name,
6801 i = 0,
6802
6803 // Attribute names can contain non-HTML whitespace characters
6804 // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
6805 attrNames = value && value.match( rnothtmlwhite );
6806
6807 if ( attrNames && elem.nodeType === 1 ) {
6808 while ( ( name = attrNames[ i++ ] ) ) {
6809 elem.removeAttribute( name );
6810 }
6811 }
6812 }
6813 } );
6814
6815 // Hooks for boolean attributes
6816 boolHook = {
6817 set: function( elem, value, name ) {
6818 if ( value === false ) {
6819
6820 // Remove boolean attributes when set to false
6821 jQuery.removeAttr( elem, name );
6822 } else {
6823 elem.setAttribute( name, name );
6824 }
6825 return name;
6826 }
6827 };
6828
6829 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
6830 var getter = attrHandle[ name ] || jQuery.find.attr;
6831
6832 attrHandle[ name ] = function( elem, name, isXML ) {
6833 var ret, handle,
6834 lowercaseName = name.toLowerCase();
6835
6836 if ( !isXML ) {
6837
6838 // Avoid an infinite loop by temporarily removing this function from the getter
6839 handle = attrHandle[ lowercaseName ];
6840 attrHandle[ lowercaseName ] = ret;
6841 ret = getter( elem, name, isXML ) != null ?
6842 lowercaseName :
6843 null;
6844 attrHandle[ lowercaseName ] = handle;
6845 }
6846 return ret;
6847 };
6848 } );
6849
6850
6851
6852
6853 var rfocusable = /^(?:input|select|textarea|button)$/i,
6854 rclickable = /^(?:a|area)$/i;
6855
6856 jQuery.fn.extend( {
6857 prop: function( name, value ) {
6858 return access( this, jQuery.prop, name, value, arguments.length > 1 );
6859 },
6860
6861 removeProp: function( name ) {
6862 return this.each( function() {
6863 delete this[ jQuery.propFix[ name ] || name ];
6864 } );
6865 }
6866 } );
6867
6868 jQuery.extend( {
6869 prop: function( elem, name, value ) {
6870 var ret, hooks,
6871 nType = elem.nodeType;
6872
6873 // Don't get/set properties on text, comment and attribute nodes
6874 if ( nType === 3 || nType === 8 || nType === 2 ) {
6875 return;
6876 }
6877
6878 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
6879
6880 // Fix name and attach hooks
6881 name = jQuery.propFix[ name ] || name;
6882 hooks = jQuery.propHooks[ name ];
6883 }
6884
6885 if ( value !== undefined ) {
6886 if ( hooks && "set" in hooks &&
6887 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
6888 return ret;
6889 }
6890
6891 return ( elem[ name ] = value );
6892 }
6893
6894 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
6895 return ret;
6896 }
6897
6898 return elem[ name ];
6899 },
6900
6901 propHooks: {
6902 tabIndex: {
6903 get: function( elem ) {
6904
6905 // Support: IE <=9 - 11 only
6906 // elem.tabIndex doesn't always return the
6907 // correct value when it hasn't been explicitly set
6908 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
6909 // Use proper attribute retrieval(#12072)
6910 var tabindex = jQuery.find.attr( elem, "tabindex" );
6911
6912 if ( tabindex ) {
6913 return parseInt( tabindex, 10 );
6914 }
6915
6916 if (
6917 rfocusable.test( elem.nodeName ) ||
6918 rclickable.test( elem.nodeName ) &&
6919 elem.href
6920 ) {
6921 return 0;
6922 }
6923
6924 return -1;
6925 }
6926 }
6927 },
6928
6929 propFix: {
6930 "for": "htmlFor",
6931 "class": "className"
6932 }
6933 } );
6934
6935 // Support: IE <=11 only
6936 // Accessing the selectedIndex property
6937 // forces the browser to respect setting selected
6938 // on the option
6939 // The getter ensures a default option is selected
6940 // when in an optgroup
6941 // eslint rule "no-unused-expressions" is disabled for this code
6942 // since it considers such accessions noop
6943 if ( !support.optSelected ) {
6944 jQuery.propHooks.selected = {
6945 get: function( elem ) {
6946
6947 /* eslint no-unused-expressions: "off" */
6948
6949 var parent = elem.parentNode;
6950 if ( parent && parent.parentNode ) {
6951 parent.parentNode.selectedIndex;
6952 }
6953 return null;
6954 },
6955 set: function( elem ) {
6956
6957 /* eslint no-unused-expressions: "off" */
6958
6959 var parent = elem.parentNode;
6960 if ( parent ) {
6961 parent.selectedIndex;
6962
6963 if ( parent.parentNode ) {
6964 parent.parentNode.selectedIndex;
6965 }
6966 }
6967 }
6968 };
6969 }
6970
6971 jQuery.each( [
6972 "tabIndex",
6973 "readOnly",
6974 "maxLength",
6975 "cellSpacing",
6976 "cellPadding",
6977 "rowSpan",
6978 "colSpan",
6979 "useMap",
6980 "frameBorder",
6981 "contentEditable"
6982 ], function() {
6983 jQuery.propFix[ this.toLowerCase() ] = this;
6984 } );
6985
6986
6987
6988
6989 // Strip and collapse whitespace according to HTML spec
6990 // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
6991 function stripAndCollapse( value ) {
6992 var tokens = value.match( rnothtmlwhite ) || [];
6993 return tokens.join( " " );
6994 }
6995
6996
6997 function getClass( elem ) {
6998 return elem.getAttribute && elem.getAttribute( "class" ) || "";
6999 }
7000
7001 function classesToArray( value ) {
7002 if ( Array.isArray( value ) ) {
7003 return value;
7004 }
7005 if ( typeof value === "string" ) {
7006 return value.match( rnothtmlwhite ) || [];
7007 }
7008 return [];
7009 }
7010
7011 jQuery.fn.extend( {
7012 addClass: function( value ) {
7013 var classes, elem, cur, curValue, clazz, j, finalValue,
7014 i = 0;
7015
7016 if ( isFunction( value ) ) {
7017 return this.each( function( j ) {
7018 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
7019 } );
7020 }
7021
7022 classes = classesToArray( value );
7023
7024 if ( classes.length ) {
7025 while ( ( elem = this[ i++ ] ) ) {
7026 curValue = getClass( elem );
7027 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7028
7029 if ( cur ) {
7030 j = 0;
7031 while ( ( clazz = classes[ j++ ] ) ) {
7032 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
7033 cur += clazz + " ";
7034 }
7035 }
7036
7037 // Only assign if different to avoid unneeded rendering.
7038 finalValue = stripAndCollapse( cur );
7039 if ( curValue !== finalValue ) {
7040 elem.setAttribute( "class", finalValue );
7041 }
7042 }
7043 }
7044 }
7045
7046 return this;
7047 },
7048
7049 removeClass: function( value ) {
7050 var classes, elem, cur, curValue, clazz, j, finalValue,
7051 i = 0;
7052
7053 if ( isFunction( value ) ) {
7054 return this.each( function( j ) {
7055 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
7056 } );
7057 }
7058
7059 if ( !arguments.length ) {
7060 return this.attr( "class", "" );
7061 }
7062
7063 classes = classesToArray( value );
7064
7065 if ( classes.length ) {
7066 while ( ( elem = this[ i++ ] ) ) {
7067 curValue = getClass( elem );
7068
7069 // This expression is here for better compressibility (see addClass)
7070 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7071
7072 if ( cur ) {
7073 j = 0;
7074 while ( ( clazz = classes[ j++ ] ) ) {
7075
7076 // Remove *all* instances
7077 while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
7078 cur = cur.replace( " " + clazz + " ", " " );
7079 }
7080 }
7081
7082 // Only assign if different to avoid unneeded rendering.
7083 finalValue = stripAndCollapse( cur );
7084 if ( curValue !== finalValue ) {
7085 elem.setAttribute( "class", finalValue );
7086 }
7087 }
7088 }
7089 }
7090
7091 return this;
7092 },
7093
7094 toggleClass: function( value, stateVal ) {
7095 var type = typeof value,
7096 isValidValue = type === "string" || Array.isArray( value );
7097
7098 if ( typeof stateVal === "boolean" && isValidValue ) {
7099 return stateVal ? this.addClass( value ) : this.removeClass( value );
7100 }
7101
7102 if ( isFunction( value ) ) {
7103 return this.each( function( i ) {
7104 jQuery( this ).toggleClass(
7105 value.call( this, i, getClass( this ), stateVal ),
7106 stateVal
7107 );
7108 } );
7109 }
7110
7111 return this.each( function() {
7112 var className, i, self, classNames;
7113
7114 if ( isValidValue ) {
7115
7116 // Toggle individual class names
7117 i = 0;
7118 self = jQuery( this );
7119 classNames = classesToArray( value );
7120
7121 while ( ( className = classNames[ i++ ] ) ) {
7122
7123 // Check each className given, space separated list
7124 if ( self.hasClass( className ) ) {
7125 self.removeClass( className );
7126 } else {
7127 self.addClass( className );
7128 }
7129 }
7130
7131 // Toggle whole class name
7132 } else if ( value === undefined || type === "boolean" ) {
7133 className = getClass( this );
7134 if ( className ) {
7135
7136 // Store className if set
7137 dataPriv.set( this, "__className__", className );
7138 }
7139
7140 // If the element has a class name or if we're passed `false`,
7141 // then remove the whole classname (if there was one, the above saved it).
7142 // Otherwise bring back whatever was previously saved (if anything),
7143 // falling back to the empty string if nothing was stored.
7144 if ( this.setAttribute ) {
7145 this.setAttribute( "class",
7146 className || value === false ?
7147 "" :
7148 dataPriv.get( this, "__className__" ) || ""
7149 );
7150 }
7151 }
7152 } );
7153 },
7154
7155 hasClass: function( selector ) {
7156 var className, elem,
7157 i = 0;
7158
7159 className = " " + selector + " ";
7160 while ( ( elem = this[ i++ ] ) ) {
7161 if ( elem.nodeType === 1 &&
7162 ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
7163 return true;
7164 }
7165 }
7166
7167 return false;
7168 }
7169 } );
7170
7171
7172
7173
7174 var rreturn = /\r/g;
7175
7176 jQuery.fn.extend( {
7177 val: function( value ) {
7178 var hooks, ret, valueIsFunction,
7179 elem = this[ 0 ];
7180
7181 if ( !arguments.length ) {
7182 if ( elem ) {
7183 hooks = jQuery.valHooks[ elem.type ] ||
7184 jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7185
7186 if ( hooks &&
7187 "get" in hooks &&
7188 ( ret = hooks.get( elem, "value" ) ) !== undefined
7189 ) {
7190 return ret;
7191 }
7192
7193 ret = elem.value;
7194
7195 // Handle most common string cases
7196 if ( typeof ret === "string" ) {
7197 return ret.replace( rreturn, "" );
7198 }
7199
7200 // Handle cases where value is null/undef or number
7201 return ret == null ? "" : ret;
7202 }
7203
7204 return;
7205 }
7206
7207 valueIsFunction = isFunction( value );
7208
7209 return this.each( function( i ) {
7210 var val;
7211
7212 if ( this.nodeType !== 1 ) {
7213 return;
7214 }
7215
7216 if ( valueIsFunction ) {
7217 val = value.call( this, i, jQuery( this ).val() );
7218 } else {
7219 val = value;
7220 }
7221
7222 // Treat null/undefined as ""; convert numbers to string
7223 if ( val == null ) {
7224 val = "";
7225
7226 } else if ( typeof val === "number" ) {
7227 val += "";
7228
7229 } else if ( Array.isArray( val ) ) {
7230 val = jQuery.map( val, function( value ) {
7231 return value == null ? "" : value + "";
7232 } );
7233 }
7234
7235 hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
7236
7237 // If set returns undefined, fall back to normal setting
7238 if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
7239 this.value = val;
7240 }
7241 } );
7242 }
7243 } );
7244
7245 jQuery.extend( {
7246 valHooks: {
7247 option: {
7248 get: function( elem ) {
7249
7250 var val = jQuery.find.attr( elem, "value" );
7251 return val != null ?
7252 val :
7253
7254 // Support: IE <=10 - 11 only
7255 // option.text throws exceptions (#14686, #14858)
7256 // Strip and collapse whitespace
7257 // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
7258 stripAndCollapse( jQuery.text( elem ) );
7259 }
7260 },
7261 select: {
7262 get: function( elem ) {
7263 var value, option, i,
7264 options = elem.options,
7265 index = elem.selectedIndex,
7266 one = elem.type === "select-one",
7267 values = one ? null : [],
7268 max = one ? index + 1 : options.length;
7269
7270 if ( index < 0 ) {
7271 i = max;
7272
7273 } else {
7274 i = one ? index : 0;
7275 }
7276
7277 // Loop through all the selected options
7278 for ( ; i < max; i++ ) {
7279 option = options[ i ];
7280
7281 // Support: IE <=9 only
7282 // IE8-9 doesn't update selected after form reset (#2551)
7283 if ( ( option.selected || i === index ) &&
7284
7285 // Don't return options that are disabled or in a disabled optgroup
7286 !option.disabled &&
7287 ( !option.parentNode.disabled ||
7288 !nodeName( option.parentNode, "optgroup" ) ) ) {
7289
7290 // Get the specific value for the option
7291 value = jQuery( option ).val();
7292
7293 // We don't need an array for one selects
7294 if ( one ) {
7295 return value;
7296 }
7297
7298 // Multi-Selects return an array
7299 values.push( value );
7300 }
7301 }
7302
7303 return values;
7304 },
7305
7306 set: function( elem, value ) {
7307 var optionSet, option,
7308 options = elem.options,
7309 values = jQuery.makeArray( value ),
7310 i = options.length;
7311
7312 while ( i-- ) {
7313 option = options[ i ];
7314
7315 /* eslint-disable no-cond-assign */
7316
7317 if ( option.selected =
7318 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
7319 ) {
7320 optionSet = true;
7321 }
7322
7323 /* eslint-enable no-cond-assign */
7324 }
7325
7326 // Force browsers to behave consistently when non-matching value is set
7327 if ( !optionSet ) {
7328 elem.selectedIndex = -1;
7329 }
7330 return values;
7331 }
7332 }
7333 }
7334 } );
7335
7336 // Radios and checkboxes getter/setter
7337 jQuery.each( [ "radio", "checkbox" ], function() {
7338 jQuery.valHooks[ this ] = {
7339 set: function( elem, value ) {
7340 if ( Array.isArray( value ) ) {
7341 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
7342 }
7343 }
7344 };
7345 if ( !support.checkOn ) {
7346 jQuery.valHooks[ this ].get = function( elem ) {
7347 return elem.getAttribute( "value" ) === null ? "on" : elem.value;
7348 };
7349 }
7350 } );
7351
7352
7353
7354
7355 // Return jQuery for attributes-only inclusion
7356
7357
7358 support.focusin = "onfocusin" in window;
7359
7360
7361 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
7362 stopPropagationCallback = function( e ) {
7363 e.stopPropagation();
7364 };
7365
7366 jQuery.extend( jQuery.event, {
7367
7368 trigger: function( event, data, elem, onlyHandlers ) {
7369
7370 var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
7371 eventPath = [ elem || document ],
7372 type = hasOwn.call( event, "type" ) ? event.type : event,
7373 namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
7374
7375 cur = lastElement = tmp = elem = elem || document;
7376
7377 // Don't do events on text and comment nodes
7378 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
7379 return;
7380 }
7381
7382 // focus/blur morphs to focusin/out; ensure we're not firing them right now
7383 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
7384 return;
7385 }
7386
7387 if ( type.indexOf( "." ) > -1 ) {
7388
7389 // Namespaced trigger; create a regexp to match event type in handle()
7390 namespaces = type.split( "." );
7391 type = namespaces.shift();
7392 namespaces.sort();
7393 }
7394 ontype = type.indexOf( ":" ) < 0 && "on" + type;
7395
7396 // Caller can pass in a jQuery.Event object, Object, or just an event type string
7397 event = event[ jQuery.expando ] ?
7398 event :
7399 new jQuery.Event( type, typeof event === "object" && event );
7400
7401 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
7402 event.isTrigger = onlyHandlers ? 2 : 3;
7403 event.namespace = namespaces.join( "." );
7404 event.rnamespace = event.namespace ?
7405 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
7406 null;
7407
7408 // Clean up the event in case it is being reused
7409 event.result = undefined;
7410 if ( !event.target ) {
7411 event.target = elem;
7412 }
7413
7414 // Clone any incoming data and prepend the event, creating the handler arg list
7415 data = data == null ?
7416 [ event ] :
7417 jQuery.makeArray( data, [ event ] );
7418
7419 // Allow special events to draw outside the lines
7420 special = jQuery.event.special[ type ] || {};
7421 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
7422 return;
7423 }
7424
7425 // Determine event propagation path in advance, per W3C events spec (#9951)
7426 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
7427 if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
7428
7429 bubbleType = special.delegateType || type;
7430 if ( !rfocusMorph.test( bubbleType + type ) ) {
7431 cur = cur.parentNode;
7432 }
7433 for ( ; cur; cur = cur.parentNode ) {
7434 eventPath.push( cur );
7435 tmp = cur;
7436 }
7437
7438 // Only add window if we got to document (e.g., not plain obj or detached DOM)
7439 if ( tmp === ( elem.ownerDocument || document ) ) {
7440 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
7441 }
7442 }
7443
7444 // Fire handlers on the event path
7445 i = 0;
7446 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
7447 lastElement = cur;
7448 event.type = i > 1 ?
7449 bubbleType :
7450 special.bindType || type;
7451
7452 // jQuery handler
7453 handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
7454 dataPriv.get( cur, "handle" );
7455 if ( handle ) {
7456 handle.apply( cur, data );
7457 }
7458
7459 // Native handler
7460 handle = ontype && cur[ ontype ];
7461 if ( handle && handle.apply && acceptData( cur ) ) {
7462 event.result = handle.apply( cur, data );
7463 if ( event.result === false ) {
7464 event.preventDefault();
7465 }
7466 }
7467 }
7468 event.type = type;
7469
7470 // If nobody prevented the default action, do it now
7471 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
7472
7473 if ( ( !special._default ||
7474 special._default.apply( eventPath.pop(), data ) === false ) &&
7475 acceptData( elem ) ) {
7476
7477 // Call a native DOM method on the target with the same name as the event.
7478 // Don't do default actions on window, that's where global variables be (#6170)
7479 if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
7480
7481 // Don't re-trigger an onFOO event when we call its FOO() method
7482 tmp = elem[ ontype ];
7483
7484 if ( tmp ) {
7485 elem[ ontype ] = null;
7486 }
7487
7488 // Prevent re-triggering of the same event, since we already bubbled it above
7489 jQuery.event.triggered = type;
7490
7491 if ( event.isPropagationStopped() ) {
7492 lastElement.addEventListener( type, stopPropagationCallback );
7493 }
7494
7495 elem[ type ]();
7496
7497 if ( event.isPropagationStopped() ) {
7498 lastElement.removeEventListener( type, stopPropagationCallback );
7499 }
7500
7501 jQuery.event.triggered = undefined;
7502
7503 if ( tmp ) {
7504 elem[ ontype ] = tmp;
7505 }
7506 }
7507 }
7508 }
7509
7510 return event.result;
7511 },
7512
7513 // Piggyback on a donor event to simulate a different one
7514 // Used only for `focus(in | out)` events
7515 simulate: function( type, elem, event ) {
7516 var e = jQuery.extend(
7517 new jQuery.Event(),
7518 event,
7519 {
7520 type: type,
7521 isSimulated: true
7522 }
7523 );
7524
7525 jQuery.event.trigger( e, null, elem );
7526 }
7527
7528 } );
7529
7530 jQuery.fn.extend( {
7531
7532 trigger: function( type, data ) {
7533 return this.each( function() {
7534 jQuery.event.trigger( type, data, this );
7535 } );
7536 },
7537 triggerHandler: function( type, data ) {
7538 var elem = this[ 0 ];
7539 if ( elem ) {
7540 return jQuery.event.trigger( type, data, elem, true );
7541 }
7542 }
7543 } );
7544
7545
7546 // Support: Firefox <=44
7547 // Firefox doesn't have focus(in | out) events
7548 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
7549 //
7550 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
7551 // focus(in | out) events fire after focus & blur events,
7552 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
7553 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
7554 if ( !support.focusin ) {
7555 jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
7556
7557 // Attach a single capturing handler on the document while someone wants focusin/focusout
7558 var handler = function( event ) {
7559 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
7560 };
7561
7562 jQuery.event.special[ fix ] = {
7563 setup: function() {
7564 var doc = this.ownerDocument || this,
7565 attaches = dataPriv.access( doc, fix );
7566
7567 if ( !attaches ) {
7568 doc.addEventListener( orig, handler, true );
7569 }
7570 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
7571 },
7572 teardown: function() {
7573 var doc = this.ownerDocument || this,
7574 attaches = dataPriv.access( doc, fix ) - 1;
7575
7576 if ( !attaches ) {
7577 doc.removeEventListener( orig, handler, true );
7578 dataPriv.remove( doc, fix );
7579
7580 } else {
7581 dataPriv.access( doc, fix, attaches );
7582 }
7583 }
7584 };
7585 } );
7586 }
7587
7588
7589 var
7590 rbracket = /\[\]$/,
7591 rCRLF = /\r?\n/g,
7592 rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
7593 rsubmittable = /^(?:input|select|textarea|keygen)/i;
7594
7595 function buildParams( prefix, obj, traditional, add ) {
7596 var name;
7597
7598 if ( Array.isArray( obj ) ) {
7599
7600 // Serialize array item.
7601 jQuery.each( obj, function( i, v ) {
7602 if ( traditional || rbracket.test( prefix ) ) {
7603
7604 // Treat each array item as a scalar.
7605 add( prefix, v );
7606
7607 } else {
7608
7609 // Item is non-scalar (array or object), encode its numeric index.
7610 buildParams(
7611 prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
7612 v,
7613 traditional,
7614 add
7615 );
7616 }
7617 } );
7618
7619 } else if ( !traditional && toType( obj ) === "object" ) {
7620
7621 // Serialize object item.
7622 for ( name in obj ) {
7623 buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
7624 }
7625
7626 } else {
7627
7628 // Serialize scalar item.
7629 add( prefix, obj );
7630 }
7631 }
7632
7633 // Serialize an array of form elements or a set of
7634 // key/values into a query string
7635 jQuery.param = function( a, traditional ) {
7636 var prefix,
7637 s = [],
7638 add = function( key, valueOrFunction ) {
7639
7640 // If value is a function, invoke it and use its return value
7641 var value = isFunction( valueOrFunction ) ?
7642 valueOrFunction() :
7643 valueOrFunction;
7644
7645 s[ s.length ] = encodeURIComponent( key ) + "=" +
7646 encodeURIComponent( value == null ? "" : value );
7647 };
7648
7649 // If an array was passed in, assume that it is an array of form elements.
7650 if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
7651
7652 // Serialize the form elements
7653 jQuery.each( a, function() {
7654 add( this.name, this.value );
7655 } );
7656
7657 } else {
7658
7659 // If traditional, encode the "old" way (the way 1.3.2 or older
7660 // did it), otherwise encode params recursively.
7661 for ( prefix in a ) {
7662 buildParams( prefix, a[ prefix ], traditional, add );
7663 }
7664 }
7665
7666 // Return the resulting serialization
7667 return s.join( "&" );
7668 };
7669
7670 jQuery.fn.extend( {
7671 serialize: function() {
7672 return jQuery.param( this.serializeArray() );
7673 },
7674 serializeArray: function() {
7675 return this.map( function() {
7676
7677 // Can add propHook for "elements" to filter or add form elements
7678 var elements = jQuery.prop( this, "elements" );
7679 return elements ? jQuery.makeArray( elements ) : this;
7680 } )
7681 .filter( function() {
7682 var type = this.type;
7683
7684 // Use .is( ":disabled" ) so that fieldset[disabled] works
7685 return this.name && !jQuery( this ).is( ":disabled" ) &&
7686 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
7687 ( this.checked || !rcheckableType.test( type ) );
7688 } )
7689 .map( function( i, elem ) {
7690 var val = jQuery( this ).val();
7691
7692 if ( val == null ) {
7693 return null;
7694 }
7695
7696 if ( Array.isArray( val ) ) {
7697 return jQuery.map( val, function( val ) {
7698 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7699 } );
7700 }
7701
7702 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7703 } ).get();
7704 }
7705 } );
7706
7707
7708 jQuery.fn.extend( {
7709 wrapAll: function( html ) {
7710 var wrap;
7711
7712 if ( this[ 0 ] ) {
7713 if ( isFunction( html ) ) {
7714 html = html.call( this[ 0 ] );
7715 }
7716
7717 // The elements to wrap the target around
7718 wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
7719
7720 if ( this[ 0 ].parentNode ) {
7721 wrap.insertBefore( this[ 0 ] );
7722 }
7723
7724 wrap.map( function() {
7725 var elem = this;
7726
7727 while ( elem.firstElementChild ) {
7728 elem = elem.firstElementChild;
7729 }
7730
7731 return elem;
7732 } ).append( this );
7733 }
7734
7735 return this;
7736 },
7737
7738 wrapInner: function( html ) {
7739 if ( isFunction( html ) ) {
7740 return this.each( function( i ) {
7741 jQuery( this ).wrapInner( html.call( this, i ) );
7742 } );
7743 }
7744
7745 return this.each( function() {
7746 var self = jQuery( this ),
7747 contents = self.contents();
7748
7749 if ( contents.length ) {
7750 contents.wrapAll( html );
7751
7752 } else {
7753 self.append( html );
7754 }
7755 } );
7756 },
7757
7758 wrap: function( html ) {
7759 var htmlIsFunction = isFunction( html );
7760
7761 return this.each( function( i ) {
7762 jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
7763 } );
7764 },
7765
7766 unwrap: function( selector ) {
7767 this.parent( selector ).not( "body" ).each( function() {
7768 jQuery( this ).replaceWith( this.childNodes );
7769 } );
7770 return this;
7771 }
7772 } );
7773
7774
7775 jQuery.expr.pseudos.hidden = function( elem ) {
7776 return !jQuery.expr.pseudos.visible( elem );
7777 };
7778 jQuery.expr.pseudos.visible = function( elem ) {
7779 return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
7780 };
7781
7782
7783
7784
7785 // Support: Safari 8 only
7786 // In Safari 8 documents created via document.implementation.createHTMLDocument
7787 // collapse sibling forms: the second one becomes a child of the first one.
7788 // Because of that, this security measure has to be disabled in Safari 8.
7789 // https://bugs.webkit.org/show_bug.cgi?id=137337
7790 support.createHTMLDocument = ( function() {
7791 var body = document.implementation.createHTMLDocument( "" ).body;
7792 body.innerHTML = "<form></form><form></form>";
7793 return body.childNodes.length === 2;
7794 } )();
7795
7796
7797 // Argument "data" should be string of html
7798 // context (optional): If specified, the fragment will be created in this context,
7799 // defaults to document
7800 // keepScripts (optional): If true, will include scripts passed in the html string
7801 jQuery.parseHTML = function( data, context, keepScripts ) {
7802 if ( typeof data !== "string" ) {
7803 return [];
7804 }
7805 if ( typeof context === "boolean" ) {
7806 keepScripts = context;
7807 context = false;
7808 }
7809
7810 var base, parsed, scripts;
7811
7812 if ( !context ) {
7813
7814 // Stop scripts or inline event handlers from being executed immediately
7815 // by using document.implementation
7816 if ( support.createHTMLDocument ) {
7817 context = document.implementation.createHTMLDocument( "" );
7818
7819 // Set the base href for the created document
7820 // so any parsed elements with URLs
7821 // are based on the document's URL (gh-2965)
7822 base = context.createElement( "base" );
7823 base.href = document.location.href;
7824 context.head.appendChild( base );
7825 } else {
7826 context = document;
7827 }
7828 }
7829
7830 parsed = rsingleTag.exec( data );
7831 scripts = !keepScripts && [];
7832
7833 // Single tag
7834 if ( parsed ) {
7835 return [ context.createElement( parsed[ 1 ] ) ];
7836 }
7837
7838 parsed = buildFragment( [ data ], context, scripts );
7839
7840 if ( scripts && scripts.length ) {
7841 jQuery( scripts ).remove();
7842 }
7843
7844 return jQuery.merge( [], parsed.childNodes );
7845 };
7846
7847
7848 jQuery.offset = {
7849 setOffset: function( elem, options, i ) {
7850 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
7851 position = jQuery.css( elem, "position" ),
7852 curElem = jQuery( elem ),
7853 props = {};
7854
7855 // Set position first, in-case top/left are set even on static elem
7856 if ( position === "static" ) {
7857 elem.style.position = "relative";
7858 }
7859
7860 curOffset = curElem.offset();
7861 curCSSTop = jQuery.css( elem, "top" );
7862 curCSSLeft = jQuery.css( elem, "left" );
7863 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
7864 ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
7865
7866 // Need to be able to calculate position if either
7867 // top or left is auto and position is either absolute or fixed
7868 if ( calculatePosition ) {
7869 curPosition = curElem.position();
7870 curTop = curPosition.top;
7871 curLeft = curPosition.left;
7872
7873 } else {
7874 curTop = parseFloat( curCSSTop ) || 0;
7875 curLeft = parseFloat( curCSSLeft ) || 0;
7876 }
7877
7878 if ( isFunction( options ) ) {
7879
7880 // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
7881 options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
7882 }
7883
7884 if ( options.top != null ) {
7885 props.top = ( options.top - curOffset.top ) + curTop;
7886 }
7887 if ( options.left != null ) {
7888 props.left = ( options.left - curOffset.left ) + curLeft;
7889 }
7890
7891 if ( "using" in options ) {
7892 options.using.call( elem, props );
7893
7894 } else {
7895 curElem.css( props );
7896 }
7897 }
7898 };
7899
7900 jQuery.fn.extend( {
7901
7902 // offset() relates an element's border box to the document origin
7903 offset: function( options ) {
7904
7905 // Preserve chaining for setter
7906 if ( arguments.length ) {
7907 return options === undefined ?
7908 this :
7909 this.each( function( i ) {
7910 jQuery.offset.setOffset( this, options, i );
7911 } );
7912 }
7913
7914 var rect, win,
7915 elem = this[ 0 ];
7916
7917 if ( !elem ) {
7918 return;
7919 }
7920
7921 // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
7922 // Support: IE <=11 only
7923 // Running getBoundingClientRect on a
7924 // disconnected node in IE throws an error
7925 if ( !elem.getClientRects().length ) {
7926 return { top: 0, left: 0 };
7927 }
7928
7929 // Get document-relative position by adding viewport scroll to viewport-relative gBCR
7930 rect = elem.getBoundingClientRect();
7931 win = elem.ownerDocument.defaultView;
7932 return {
7933 top: rect.top + win.pageYOffset,
7934 left: rect.left + win.pageXOffset
7935 };
7936 },
7937
7938 // position() relates an element's margin box to its offset parent's padding box
7939 // This corresponds to the behavior of CSS absolute positioning
7940 position: function() {
7941 if ( !this[ 0 ] ) {
7942 return;
7943 }
7944
7945 var offsetParent, offset, doc,
7946 elem = this[ 0 ],
7947 parentOffset = { top: 0, left: 0 };
7948
7949 // position:fixed elements are offset from the viewport, which itself always has zero offset
7950 if ( jQuery.css( elem, "position" ) === "fixed" ) {
7951
7952 // Assume position:fixed implies availability of getBoundingClientRect
7953 offset = elem.getBoundingClientRect();
7954
7955 } else {
7956 offset = this.offset();
7957
7958 // Account for the *real* offset parent, which can be the document or its root element
7959 // when a statically positioned element is identified
7960 doc = elem.ownerDocument;
7961 offsetParent = elem.offsetParent || doc.documentElement;
7962 while ( offsetParent &&
7963 ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
7964 jQuery.css( offsetParent, "position" ) === "static" ) {
7965
7966 offsetParent = offsetParent.parentNode;
7967 }
7968 if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
7969
7970 // Incorporate borders into its offset, since they are outside its content origin
7971 parentOffset = jQuery( offsetParent ).offset();
7972 parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
7973 parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
7974 }
7975 }
7976
7977 // Subtract parent offsets and element margins
7978 return {
7979 top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
7980 left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
7981 };
7982 },
7983
7984 // This method will return documentElement in the following cases:
7985 // 1) For the element inside the iframe without offsetParent, this method will return
7986 // documentElement of the parent window
7987 // 2) For the hidden or detached element
7988 // 3) For body or html element, i.e. in case of the html node - it will return itself
7989 //
7990 // but those exceptions were never presented as a real life use-cases
7991 // and might be considered as more preferable results.
7992 //
7993 // This logic, however, is not guaranteed and can change at any point in the future
7994 offsetParent: function() {
7995 return this.map( function() {
7996 var offsetParent = this.offsetParent;
7997
7998 while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
7999 offsetParent = offsetParent.offsetParent;
8000 }
8001
8002 return offsetParent || documentElement;
8003 } );
8004 }
8005 } );
8006
8007 // Create scrollLeft and scrollTop methods
8008 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
8009 var top = "pageYOffset" === prop;
8010
8011 jQuery.fn[ method ] = function( val ) {
8012 return access( this, function( elem, method, val ) {
8013
8014 // Coalesce documents and windows
8015 var win;
8016 if ( isWindow( elem ) ) {
8017 win = elem;
8018 } else if ( elem.nodeType === 9 ) {
8019 win = elem.defaultView;
8020 }
8021
8022 if ( val === undefined ) {
8023 return win ? win[ prop ] : elem[ method ];
8024 }
8025
8026 if ( win ) {
8027 win.scrollTo(
8028 !top ? val : win.pageXOffset,
8029 top ? val : win.pageYOffset
8030 );
8031
8032 } else {
8033 elem[ method ] = val;
8034 }
8035 }, method, val, arguments.length );
8036 };
8037 } );
8038
8039 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
8040 // Add the top/left cssHooks using jQuery.fn.position
8041 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
8042 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
8043 // getComputedStyle returns percent when specified for top/left/bottom/right;
8044 // rather than make the css module depend on the offset module, just check for it here
8045 jQuery.each( [ "top", "left" ], function( i, prop ) {
8046 jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
8047 function( elem, computed ) {
8048 if ( computed ) {
8049 computed = curCSS( elem, prop );
8050
8051 // If curCSS returns percentage, fallback to offset
8052 return rnumnonpx.test( computed ) ?
8053 jQuery( elem ).position()[ prop ] + "px" :
8054 computed;
8055 }
8056 }
8057 );
8058 } );
8059
8060
8061 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
8062 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
8063 jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
8064 function( defaultExtra, funcName ) {
8065
8066 // Margin is only for outerHeight, outerWidth
8067 jQuery.fn[ funcName ] = function( margin, value ) {
8068 var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
8069 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
8070
8071 return access( this, function( elem, type, value ) {
8072 var doc;
8073
8074 if ( isWindow( elem ) ) {
8075
8076 // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
8077 return funcName.indexOf( "outer" ) === 0 ?
8078 elem[ "inner" + name ] :
8079 elem.document.documentElement[ "client" + name ];
8080 }
8081
8082 // Get document width or height
8083 if ( elem.nodeType === 9 ) {
8084 doc = elem.documentElement;
8085
8086 // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
8087 // whichever is greatest
8088 return Math.max(
8089 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
8090 elem.body[ "offset" + name ], doc[ "offset" + name ],
8091 doc[ "client" + name ]
8092 );
8093 }
8094
8095 return value === undefined ?
8096
8097 // Get width or height on the element, requesting but not forcing parseFloat
8098 jQuery.css( elem, type, extra ) :
8099
8100 // Set width or height on the element
8101 jQuery.style( elem, type, value, extra );
8102 }, type, chainable ? margin : undefined, chainable );
8103 };
8104 } );
8105 } );
8106
8107
8108 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
8109 "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
8110 "change select submit keydown keypress keyup contextmenu" ).split( " " ),
8111 function( i, name ) {
8112
8113 // Handle event binding
8114 jQuery.fn[ name ] = function( data, fn ) {
8115 return arguments.length > 0 ?
8116 this.on( name, null, data, fn ) :
8117 this.trigger( name );
8118 };
8119 } );
8120
8121 jQuery.fn.extend( {
8122 hover: function( fnOver, fnOut ) {
8123 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
8124 }
8125 } );
8126
8127
8128
8129
8130 jQuery.fn.extend( {
8131
8132 bind: function( types, data, fn ) {
8133 return this.on( types, null, data, fn );
8134 },
8135 unbind: function( types, fn ) {
8136 return this.off( types, null, fn );
8137 },
8138
8139 delegate: function( selector, types, data, fn ) {
8140 return this.on( types, selector, data, fn );
8141 },
8142 undelegate: function( selector, types, fn ) {
8143
8144 // ( namespace ) or ( selector, types [, fn] )
8145 return arguments.length === 1 ?
8146 this.off( selector, "**" ) :
8147 this.off( types, selector || "**", fn );
8148 }
8149 } );
8150
8151 // Bind a function to a context, optionally partially applying any
8152 // arguments.
8153 // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
8154 // However, it is not slated for removal any time soon
8155 jQuery.proxy = function( fn, context ) {
8156 var tmp, args, proxy;
8157
8158 if ( typeof context === "string" ) {
8159 tmp = fn[ context ];
8160 context = fn;
8161 fn = tmp;
8162 }
8163
8164 // Quick check to determine if target is callable, in the spec
8165 // this throws a TypeError, but we will just return undefined.
8166 if ( !isFunction( fn ) ) {
8167 return undefined;
8168 }
8169
8170 // Simulated bind
8171 args = slice.call( arguments, 2 );
8172 proxy = function() {
8173 return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
8174 };
8175
8176 // Set the guid of unique handler to the same of original handler, so it can be removed
8177 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
8178
8179 return proxy;
8180 };
8181
8182 jQuery.holdReady = function( hold ) {
8183 if ( hold ) {
8184 jQuery.readyWait++;
8185 } else {
8186 jQuery.ready( true );
8187 }
8188 };
8189 jQuery.isArray = Array.isArray;
8190 jQuery.parseJSON = JSON.parse;
8191 jQuery.nodeName = nodeName;
8192 jQuery.isFunction = isFunction;
8193 jQuery.isWindow = isWindow;
8194 jQuery.camelCase = camelCase;
8195 jQuery.type = toType;
8196
8197 jQuery.now = Date.now;
8198
8199 jQuery.isNumeric = function( obj ) {
8200
8201 // As of jQuery 3.0, isNumeric is limited to
8202 // strings and numbers (primitives or objects)
8203 // that can be coerced to finite numbers (gh-2662)
8204 var type = jQuery.type( obj );
8205 return ( type === "number" || type === "string" ) &&
8206
8207 // parseFloat NaNs numeric-cast false positives ("")
8208 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
8209 // subtraction forces infinities to NaN
8210 !isNaN( obj - parseFloat( obj ) );
8211 };
8212
8213
8214
8215
8216 // Register as a named AMD module, since jQuery can be concatenated with other
8217 // files that may use define, but not via a proper concatenation script that
8218 // understands anonymous AMD modules. A named AMD is safest and most robust
8219 // way to register. Lowercase jquery is used because AMD module names are
8220 // derived from file names, and jQuery is normally delivered in a lowercase
8221 // file name. Do this after creating the global so that if an AMD module wants
8222 // to call noConflict to hide this version of jQuery, it will work.
8223
8224 // Note that for maximum portability, libraries that are not jQuery should
8225 // declare themselves as anonymous modules, and avoid setting a global if an
8226 // AMD loader is present. jQuery is a special case. For more information, see
8227 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
8228
8229 if ( typeof define === "function" && define.amd ) {
8230 define( "jquery", [], function() {
8231 return jQuery;
8232 } );
8233 }
8234
8235
8236
8237
8238 var
8239
8240 // Map over jQuery in case of overwrite
8241 _jQuery = window.jQuery,
8242
8243 // Map over the $ in case of overwrite
8244 _$ = window.$;
8245
8246 jQuery.noConflict = function( deep ) {
8247 if ( window.$ === jQuery ) {
8248 window.$ = _$;
8249 }
8250
8251 if ( deep && window.jQuery === jQuery ) {
8252 window.jQuery = _jQuery;
8253 }
8254
8255 return jQuery;
8256 };
8257
8258 // Expose jQuery and $ identifiers, even in AMD
8259 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
8260 // and CommonJS for browser emulators (#13566)
8261 if ( !noGlobal ) {
8262 window.jQuery = window.$ = jQuery;
8263 }
8264
8265
8266
8267
8268 return jQuery;
8269 } );
2 * jQuery JavaScript Library v3.3.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/parseXML,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-event/ajax,-effects,-effects/Tween,-effects/animatedSelector
3 * https://jquery.com/
4 *
5 * Includes Sizzle.js
6 * https://sizzlejs.com/
7 *
8 * Copyright JS Foundation and other contributors
9 * Released under the MIT license
10 * https://jquery.org/license
11 *
12 * Date: 2018-01-20T17:24Z
13 */
14 ( function( global, factory ) {
15
16 "use strict";
17
18 if ( typeof module === "object" && typeof module.exports === "object" ) {
19
20 // For CommonJS and CommonJS-like environments where a proper `window`
21 // is present, execute the factory and get jQuery.
22 // For environments that do not have a `window` with a `document`
23 // (such as Node.js), expose a factory as module.exports.
24 // This accentuates the need for the creation of a real `window`.
25 // e.g. var jQuery = require("jquery")(window);
26 // See ticket #14549 for more info.
27 module.exports = global.document ?
28 factory( global, true ) :
29 function( w ) {
30 if ( !w.document ) {
31 throw new Error( "jQuery requires a window with a document" );
32 }
33 return factory( w );
34 };
35 } else {
36 factory( global );
37 }
38
39 // Pass this if window is not defined yet
40 } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
41
42 // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
43 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
44 // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
45 // enough that all such attempts are guarded in a try block.
46 "use strict";
47
48 var arr = [];
49
50 var document = window.document;
51
52 var getProto = Object.getPrototypeOf;
53
54 var slice = arr.slice;
55
56 var concat = arr.concat;
57
58 var push = arr.push;
59
60 var indexOf = arr.indexOf;
61
62 var class2type = {};
63
64 var toString = class2type.toString;
65
66 var hasOwn = class2type.hasOwnProperty;
67
68 var fnToString = hasOwn.toString;
69
70 var ObjectFunctionString = fnToString.call( Object );
71
72 var support = {};
73
74 var isFunction = function isFunction( obj ) {
75
76 // Support: Chrome <=57, Firefox <=52
77 // In some browsers, typeof returns "function" for HTML <object> elements
78 // (i.e., `typeof document.createElement( "object" ) === "function"`).
79 // We don't want to classify *any* DOM node as a function.
80 return typeof obj === "function" && typeof obj.nodeType !== "number";
81 };
82
83
84 var isWindow = function isWindow( obj ) {
85 return obj != null && obj === obj.window;
86 };
87
88
89
90
91 var preservedScriptAttributes = {
92 type: true,
93 src: true,
94 noModule: true
95 };
96
97 function DOMEval( code, doc, node ) {
98 doc = doc || document;
99
100 var i,
101 script = doc.createElement( "script" );
102
103 script.text = code;
104 if ( node ) {
105 for ( i in preservedScriptAttributes ) {
106 if ( node[ i ] ) {
107 script[ i ] = node[ i ];
108 }
109 }
110 }
111 doc.head.appendChild( script ).parentNode.removeChild( script );
112 }
113
114
115 function toType( obj ) {
116 if ( obj == null ) {
117 return obj + "";
118 }
119
120 // Support: Android <=2.3 only (functionish RegExp)
121 return typeof obj === "object" || typeof obj === "function" ?
122 class2type[ toString.call( obj ) ] || "object" :
123 typeof obj;
124 }
125 /* global Symbol */
126 // Defining this global in .eslintrc.json would create a danger of using the global
127 // unguarded in another place, it seems safer to define global only for this module
128
129
130
131 var
132 version = "3.3.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/parseXML,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-event/ajax,-effects,-effects/Tween,-effects/animatedSelector",
133
134 // Define a local copy of jQuery
135 jQuery = function( selector, context ) {
136
137 // The jQuery object is actually just the init constructor 'enhanced'
138 // Need init if jQuery is called (just allow error to be thrown if not included)
139 return new jQuery.fn.init( selector, context );
140 },
141
142 // Support: Android <=4.0 only
143 // Make sure we trim BOM and NBSP
144 rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
145
146 jQuery.fn = jQuery.prototype = {
147
148 // The current version of jQuery being used
149 jquery: version,
150
151 constructor: jQuery,
152
153 // The default length of a jQuery object is 0
154 length: 0,
155
156 toArray: function() {
157 return slice.call( this );
158 },
159
160 // Get the Nth element in the matched element set OR
161 // Get the whole matched element set as a clean array
162 get: function( num ) {
163
164 // Return all the elements in a clean array
165 if ( num == null ) {
166 return slice.call( this );
167 }
168
169 // Return just the one element from the set
170 return num < 0 ? this[ num + this.length ] : this[ num ];
171 },
172
173 // Take an array of elements and push it onto the stack
174 // (returning the new matched element set)
175 pushStack: function( elems ) {
176
177 // Build a new jQuery matched element set
178 var ret = jQuery.merge( this.constructor(), elems );
179
180 // Add the old object onto the stack (as a reference)
181 ret.prevObject = this;
182
183 // Return the newly-formed element set
184 return ret;
185 },
186
187 // Execute a callback for every element in the matched set.
188 each: function( callback ) {
189 return jQuery.each( this, callback );
190 },
191
192 map: function( callback ) {
193 return this.pushStack( jQuery.map( this, function( elem, i ) {
194 return callback.call( elem, i, elem );
195 } ) );
196 },
197
198 slice: function() {
199 return this.pushStack( slice.apply( this, arguments ) );
200 },
201
202 first: function() {
203 return this.eq( 0 );
204 },
205
206 last: function() {
207 return this.eq( -1 );
208 },
209
210 eq: function( i ) {
211 var len = this.length,
212 j = +i + ( i < 0 ? len : 0 );
213 return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
214 },
215
216 end: function() {
217 return this.prevObject || this.constructor();
218 },
219
220 // For internal use only.
221 // Behaves like an Array's method, not like a jQuery method.
222 push: push,
223 sort: arr.sort,
224 splice: arr.splice
225 };
226
227 jQuery.extend = jQuery.fn.extend = function() {
228 var options, name, src, copy, copyIsArray, clone,
229 target = arguments[ 0 ] || {},
230 i = 1,
231 length = arguments.length,
232 deep = false;
233
234 // Handle a deep copy situation
235 if ( typeof target === "boolean" ) {
236 deep = target;
237
238 // Skip the boolean and the target
239 target = arguments[ i ] || {};
240 i++;
241 }
242
243 // Handle case when target is a string or something (possible in deep copy)
244 if ( typeof target !== "object" && !isFunction( target ) ) {
245 target = {};
246 }
247
248 // Extend jQuery itself if only one argument is passed
249 if ( i === length ) {
250 target = this;
251 i--;
252 }
253
254 for ( ; i < length; i++ ) {
255
256 // Only deal with non-null/undefined values
257 if ( ( options = arguments[ i ] ) != null ) {
258
259 // Extend the base object
260 for ( name in options ) {
261 src = target[ name ];
262 copy = options[ name ];
263
264 // Prevent never-ending loop
265 if ( target === copy ) {
266 continue;
267 }
268
269 // Recurse if we're merging plain objects or arrays
270 if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
271 ( copyIsArray = Array.isArray( copy ) ) ) ) {
272
273 if ( copyIsArray ) {
274 copyIsArray = false;
275 clone = src && Array.isArray( src ) ? src : [];
276
277 } else {
278 clone = src && jQuery.isPlainObject( src ) ? src : {};
279 }
280
281 // Never move original objects, clone them
282 target[ name ] = jQuery.extend( deep, clone, copy );
283
284 // Don't bring in undefined values
285 } else if ( copy !== undefined ) {
286 target[ name ] = copy;
287 }
288 }
289 }
290 }
291
292 // Return the modified object
293 return target;
294 };
295
296 jQuery.extend( {
297
298 // Unique for each copy of jQuery on the page
299 expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
300
301 // Assume jQuery is ready without the ready module
302 isReady: true,
303
304 error: function( msg ) {
305 throw new Error( msg );
306 },
307
308 noop: function() {},
309
310 isPlainObject: function( obj ) {
311 var proto, Ctor;
312
313 // Detect obvious negatives
314 // Use toString instead of jQuery.type to catch host objects
315 if ( !obj || toString.call( obj ) !== "[object Object]" ) {
316 return false;
317 }
318
319 proto = getProto( obj );
320
321 // Objects with no prototype (e.g., `Object.create( null )`) are plain
322 if ( !proto ) {
323 return true;
324 }
325
326 // Objects with prototype are plain iff they were constructed by a global Object function
327 Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
328 return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
329 },
330
331 isEmptyObject: function( obj ) {
332
333 /* eslint-disable no-unused-vars */
334 // See https://github.com/eslint/eslint/issues/6125
335 var name;
336
337 for ( name in obj ) {
338 return false;
339 }
340 return true;
341 },
342
343 // Evaluates a script in a global context
344 globalEval: function( code ) {
345 DOMEval( code );
346 },
347
348 each: function( obj, callback ) {
349 var length, i = 0;
350
351 if ( isArrayLike( obj ) ) {
352 length = obj.length;
353 for ( ; i < length; i++ ) {
354 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
355 break;
356 }
357 }
358 } else {
359 for ( i in obj ) {
360 if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
361 break;
362 }
363 }
364 }
365
366 return obj;
367 },
368
369 // Support: Android <=4.0 only
370 trim: function( text ) {
371 return text == null ?
372 "" :
373 ( text + "" ).replace( rtrim, "" );
374 },
375
376 // results is for internal usage only
377 makeArray: function( arr, results ) {
378 var ret = results || [];
379
380 if ( arr != null ) {
381 if ( isArrayLike( Object( arr ) ) ) {
382 jQuery.merge( ret,
383 typeof arr === "string" ?
384 [ arr ] : arr
385 );
386 } else {
387 push.call( ret, arr );
388 }
389 }
390
391 return ret;
392 },
393
394 inArray: function( elem, arr, i ) {
395 return arr == null ? -1 : indexOf.call( arr, elem, i );
396 },
397
398 // Support: Android <=4.0 only, PhantomJS 1 only
399 // push.apply(_, arraylike) throws on ancient WebKit
400 merge: function( first, second ) {
401 var len = +second.length,
402 j = 0,
403 i = first.length;
404
405 for ( ; j < len; j++ ) {
406 first[ i++ ] = second[ j ];
407 }
408
409 first.length = i;
410
411 return first;
412 },
413
414 grep: function( elems, callback, invert ) {
415 var callbackInverse,
416 matches = [],
417 i = 0,
418 length = elems.length,
419 callbackExpect = !invert;
420
421 // Go through the array, only saving the items
422 // that pass the validator function
423 for ( ; i < length; i++ ) {
424 callbackInverse = !callback( elems[ i ], i );
425 if ( callbackInverse !== callbackExpect ) {
426 matches.push( elems[ i ] );
427 }
428 }
429
430 return matches;
431 },
432
433 // arg is for internal usage only
434 map: function( elems, callback, arg ) {
435 var length, value,
436 i = 0,
437 ret = [];
438
439 // Go through the array, translating each of the items to their new values
440 if ( isArrayLike( elems ) ) {
441 length = elems.length;
442 for ( ; i < length; i++ ) {
443 value = callback( elems[ i ], i, arg );
444
445 if ( value != null ) {
446 ret.push( value );
447 }
448 }
449
450 // Go through every key on the object,
451 } else {
452 for ( i in elems ) {
453 value = callback( elems[ i ], i, arg );
454
455 if ( value != null ) {
456 ret.push( value );
457 }
458 }
459 }
460
461 // Flatten any nested arrays
462 return concat.apply( [], ret );
463 },
464
465 // A global GUID counter for objects
466 guid: 1,
467
468 // jQuery.support is not used in Core but other projects attach their
469 // properties to it so it needs to exist.
470 support: support
471 } );
472
473 if ( typeof Symbol === "function" ) {
474 jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
475 }
476
477 // Populate the class2type map
478 jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
479 function( i, name ) {
480 class2type[ "[object " + name + "]" ] = name.toLowerCase();
481 } );
482
483 function isArrayLike( obj ) {
484
485 // Support: real iOS 8.2 only (not reproducible in simulator)
486 // `in` check used to prevent JIT error (gh-2145)
487 // hasOwn isn't used here due to false negatives
488 // regarding Nodelist length in IE
489 var length = !!obj && "length" in obj && obj.length,
490 type = toType( obj );
491
492 if ( isFunction( obj ) || isWindow( obj ) ) {
493 return false;
494 }
495
496 return type === "array" || length === 0 ||
497 typeof length === "number" && length > 0 && ( length - 1 ) in obj;
498 }
499 var Sizzle =
500 /*!
501 * Sizzle CSS Selector Engine v2.3.3
502 * https://sizzlejs.com/
503 *
504 * Copyright jQuery Foundation and other contributors
505 * Released under the MIT license
506 * http://jquery.org/license
507 *
508 * Date: 2016-08-08
509 */
510 (function( window ) {
511
512 var i,
513 support,
514 Expr,
515 getText,
516 isXML,
517 tokenize,
518 compile,
519 select,
520 outermostContext,
521 sortInput,
522 hasDuplicate,
523
524 // Local document vars
525 setDocument,
526 document,
527 docElem,
528 documentIsHTML,
529 rbuggyQSA,
530 rbuggyMatches,
531 matches,
532 contains,
533
534 // Instance-specific data
535 expando = "sizzle" + 1 * new Date(),
536 preferredDoc = window.document,
537 dirruns = 0,
538 done = 0,
539 classCache = createCache(),
540 tokenCache = createCache(),
541 compilerCache = createCache(),
542 sortOrder = function( a, b ) {
543 if ( a === b ) {
544 hasDuplicate = true;
545 }
546 return 0;
547 },
548
549 // Instance methods
550 hasOwn = ({}).hasOwnProperty,
551 arr = [],
552 pop = arr.pop,
553 push_native = arr.push,
554 push = arr.push,
555 slice = arr.slice,
556 // Use a stripped-down indexOf as it's faster than native
557 // https://jsperf.com/thor-indexof-vs-for/5
558 indexOf = function( list, elem ) {
559 var i = 0,
560 len = list.length;
561 for ( ; i < len; i++ ) {
562 if ( list[i] === elem ) {
563 return i;
564 }
565 }
566 return -1;
567 },
568
569 booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
570
571 // Regular expressions
572
573 // http://www.w3.org/TR/css3-selectors/#whitespace
574 whitespace = "[\\x20\\t\\r\\n\\f]",
575
576 // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
577 identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
578
579 // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
580 attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
581 // Operator (capture 2)
582 "*([*^$|!~]?=)" + whitespace +
583 // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
584 "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
585 "*\\]",
586
587 pseudos = ":(" + identifier + ")(?:\\((" +
588 // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
589 // 1. quoted (capture 3; capture 4 or capture 5)
590 "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
591 // 2. simple (capture 6)
592 "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
593 // 3. anything else (capture 2)
594 ".*" +
595 ")\\)|)",
596
597 // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
598 rwhitespace = new RegExp( whitespace + "+", "g" ),
599 rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
600
601 rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
602 rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
603
604 rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
605
606 rpseudo = new RegExp( pseudos ),
607 ridentifier = new RegExp( "^" + identifier + "$" ),
608
609 matchExpr = {
610 "ID": new RegExp( "^#(" + identifier + ")" ),
611 "CLASS": new RegExp( "^\\.(" + identifier + ")" ),
612 "TAG": new RegExp( "^(" + identifier + "|[*])" ),
613 "ATTR": new RegExp( "^" + attributes ),
614 "PSEUDO": new RegExp( "^" + pseudos ),
615 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
616 "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
617 "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
618 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
619 // For use in libraries implementing .is()
620 // We use this for POS matching in `select`
621 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
622 whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
623 },
624
625 rinputs = /^(?:input|select|textarea|button)$/i,
626 rheader = /^h\d$/i,
627
628 rnative = /^[^{]+\{\s*\[native \w/,
629
630 // Easily-parseable/retrievable ID or TAG or CLASS selectors
631 rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
632
633 rsibling = /[+~]/,
634
635 // CSS escapes
636 // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
637 runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
638 funescape = function( _, escaped, escapedWhitespace ) {
639 var high = "0x" + escaped - 0x10000;
640 // NaN means non-codepoint
641 // Support: Firefox<24
642 // Workaround erroneous numeric interpretation of +"0x"
643 return high !== high || escapedWhitespace ?
644 escaped :
645 high < 0 ?
646 // BMP codepoint
647 String.fromCharCode( high + 0x10000 ) :
648 // Supplemental Plane codepoint (surrogate pair)
649 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
650 },
651
652 // CSS string/identifier serialization
653 // https://drafts.csswg.org/cssom/#common-serializing-idioms
654 rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
655 fcssescape = function( ch, asCodePoint ) {
656 if ( asCodePoint ) {
657
658 // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
659 if ( ch === "\0" ) {
660 return "\uFFFD";
661 }
662
663 // Control characters and (dependent upon position) numbers get escaped as code points
664 return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
665 }
666
667 // Other potentially-special ASCII characters get backslash-escaped
668 return "\\" + ch;
669 },
670
671 // Used for iframes
672 // See setDocument()
673 // Removing the function wrapper causes a "Permission Denied"
674 // error in IE
675 unloadHandler = function() {
676 setDocument();
677 },
678
679 disabledAncestor = addCombinator(
680 function( elem ) {
681 return elem.disabled === true && ("form" in elem || "label" in elem);
682 },
683 { dir: "parentNode", next: "legend" }
684 );
685
686 // Optimize for push.apply( _, NodeList )
687 try {
688 push.apply(
689 (arr = slice.call( preferredDoc.childNodes )),
690 preferredDoc.childNodes
691 );
692 // Support: Android<4.0
693 // Detect silently failing push.apply
694 arr[ preferredDoc.childNodes.length ].nodeType;
695 } catch ( e ) {
696 push = { apply: arr.length ?
697
698 // Leverage slice if possible
699 function( target, els ) {
700 push_native.apply( target, slice.call(els) );
701 } :
702
703 // Support: IE<9
704 // Otherwise append directly
705 function( target, els ) {
706 var j = target.length,
707 i = 0;
708 // Can't trust NodeList.length
709 while ( (target[j++] = els[i++]) ) {}
710 target.length = j - 1;
711 }
712 };
713 }
714
715 function Sizzle( selector, context, results, seed ) {
716 var m, i, elem, nid, match, groups, newSelector,
717 newContext = context && context.ownerDocument,
718
719 // nodeType defaults to 9, since context defaults to document
720 nodeType = context ? context.nodeType : 9;
721
722 results = results || [];
723
724 // Return early from calls with invalid selector or context
725 if ( typeof selector !== "string" || !selector ||
726 nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
727
728 return results;
729 }
730
731 // Try to shortcut find operations (as opposed to filters) in HTML documents
732 if ( !seed ) {
733
734 if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
735 setDocument( context );
736 }
737 context = context || document;
738
739 if ( documentIsHTML ) {
740
741 // If the selector is sufficiently simple, try using a "get*By*" DOM method
742 // (excepting DocumentFragment context, where the methods don't exist)
743 if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
744
745 // ID selector
746 if ( (m = match[1]) ) {
747
748 // Document context
749 if ( nodeType === 9 ) {
750 if ( (elem = context.getElementById( m )) ) {
751
752 // Support: IE, Opera, Webkit
753 // TODO: identify versions
754 // getElementById can match elements by name instead of ID
755 if ( elem.id === m ) {
756 results.push( elem );
757 return results;
758 }
759 } else {
760 return results;
761 }
762
763 // Element context
764 } else {
765
766 // Support: IE, Opera, Webkit
767 // TODO: identify versions
768 // getElementById can match elements by name instead of ID
769 if ( newContext && (elem = newContext.getElementById( m )) &&
770 contains( context, elem ) &&
771 elem.id === m ) {
772
773 results.push( elem );
774 return results;
775 }
776 }
777
778 // Type selector
779 } else if ( match[2] ) {
780 push.apply( results, context.getElementsByTagName( selector ) );
781 return results;
782
783 // Class selector
784 } else if ( (m = match[3]) && support.getElementsByClassName &&
785 context.getElementsByClassName ) {
786
787 push.apply( results, context.getElementsByClassName( m ) );
788 return results;
789 }
790 }
791
792 // Take advantage of querySelectorAll
793 if ( support.qsa &&
794 !compilerCache[ selector + " " ] &&
795 (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
796
797 if ( nodeType !== 1 ) {
798 newContext = context;
799 newSelector = selector;
800
801 // qSA looks outside Element context, which is not what we want
802 // Thanks to Andrew Dupont for this workaround technique
803 // Support: IE <=8
804 // Exclude object elements
805 } else if ( context.nodeName.toLowerCase() !== "object" ) {
806
807 // Capture the context ID, setting it first if necessary
808 if ( (nid = context.getAttribute( "id" )) ) {
809 nid = nid.replace( rcssescape, fcssescape );
810 } else {
811 context.setAttribute( "id", (nid = expando) );
812 }
813
814 // Prefix every selector in the list
815 groups = tokenize( selector );
816 i = groups.length;
817 while ( i-- ) {
818 groups[i] = "#" + nid + " " + toSelector( groups[i] );
819 }
820 newSelector = groups.join( "," );
821
822 // Expand context for sibling selectors
823 newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
824 context;
825 }
826
827 if ( newSelector ) {
828 try {
829 push.apply( results,
830 newContext.querySelectorAll( newSelector )
831 );
832 return results;
833 } catch ( qsaError ) {
834 } finally {
835 if ( nid === expando ) {
836 context.removeAttribute( "id" );
837 }
838 }
839 }
840 }
841 }
842 }
843
844 // All others
845 return select( selector.replace( rtrim, "$1" ), context, results, seed );
846 }
847
848 /**
849 * Create key-value caches of limited size
850 * @returns {function(string, object)} Returns the Object data after storing it on itself with
851 * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
852 * deleting the oldest entry
853 */
854 function createCache() {
855 var keys = [];
856
857 function cache( key, value ) {
858 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
859 if ( keys.push( key + " " ) > Expr.cacheLength ) {
860 // Only keep the most recent entries
861 delete cache[ keys.shift() ];
862 }
863 return (cache[ key + " " ] = value);
864 }
865 return cache;
866 }
867
868 /**
869 * Mark a function for special use by Sizzle
870 * @param {Function} fn The function to mark
871 */
872 function markFunction( fn ) {
873 fn[ expando ] = true;
874 return fn;
875 }
876
877 /**
878 * Support testing using an element
879 * @param {Function} fn Passed the created element and returns a boolean result
880 */
881 function assert( fn ) {
882 var el = document.createElement("fieldset");
883
884 try {
885 return !!fn( el );
886 } catch (e) {
887 return false;
888 } finally {
889 // Remove from its parent by default
890 if ( el.parentNode ) {
891 el.parentNode.removeChild( el );
892 }
893 // release memory in IE
894 el = null;
895 }
896 }
897
898 /**
899 * Adds the same handler for all of the specified attrs
900 * @param {String} attrs Pipe-separated list of attributes
901 * @param {Function} handler The method that will be applied
902 */
903 function addHandle( attrs, handler ) {
904 var arr = attrs.split("|"),
905 i = arr.length;
906
907 while ( i-- ) {
908 Expr.attrHandle[ arr[i] ] = handler;
909 }
910 }
911
912 /**
913 * Checks document order of two siblings
914 * @param {Element} a
915 * @param {Element} b
916 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
917 */
918 function siblingCheck( a, b ) {
919 var cur = b && a,
920 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
921 a.sourceIndex - b.sourceIndex;
922
923 // Use IE sourceIndex if available on both nodes
924 if ( diff ) {
925 return diff;
926 }
927
928 // Check if b follows a
929 if ( cur ) {
930 while ( (cur = cur.nextSibling) ) {
931 if ( cur === b ) {
932 return -1;
933 }
934 }
935 }
936
937 return a ? 1 : -1;
938 }
939
940 /**
941 * Returns a function to use in pseudos for input types
942 * @param {String} type
943 */
944 function createInputPseudo( type ) {
945 return function( elem ) {
946 var name = elem.nodeName.toLowerCase();
947 return name === "input" && elem.type === type;
948 };
949 }
950
951 /**
952 * Returns a function to use in pseudos for buttons
953 * @param {String} type
954 */
955 function createButtonPseudo( type ) {
956 return function( elem ) {
957 var name = elem.nodeName.toLowerCase();
958 return (name === "input" || name === "button") && elem.type === type;
959 };
960 }
961
962 /**
963 * Returns a function to use in pseudos for :enabled/:disabled
964 * @param {Boolean} disabled true for :disabled; false for :enabled
965 */
966 function createDisabledPseudo( disabled ) {
967
968 // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
969 return function( elem ) {
970
971 // Only certain elements can match :enabled or :disabled
972 // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
973 // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
974 if ( "form" in elem ) {
975
976 // Check for inherited disabledness on relevant non-disabled elements:
977 // * listed form-associated elements in a disabled fieldset
978 // https://html.spec.whatwg.org/multipage/forms.html#category-listed
979 // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
980 // * option elements in a disabled optgroup
981 // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
982 // All such elements have a "form" property.
983 if ( elem.parentNode && elem.disabled === false ) {
984
985 // Option elements defer to a parent optgroup if present
986 if ( "label" in elem ) {
987 if ( "label" in elem.parentNode ) {
988 return elem.parentNode.disabled === disabled;
989 } else {
990 return elem.disabled === disabled;
991 }
992 }
993
994 // Support: IE 6 - 11
995 // Use the isDisabled shortcut property to check for disabled fieldset ancestors
996 return elem.isDisabled === disabled ||
997
998 // Where there is no isDisabled, check manually
999 /* jshint -W018 */
1000 elem.isDisabled !== !disabled &&
1001 disabledAncestor( elem ) === disabled;
1002 }
1003
1004 return elem.disabled === disabled;
1005
1006 // Try to winnow out elements that can't be disabled before trusting the disabled property.
1007 // Some victims get caught in our net (label, legend, menu, track), but it shouldn't
1008 // even exist on them, let alone have a boolean value.
1009 } else if ( "label" in elem ) {
1010 return elem.disabled === disabled;
1011 }
1012
1013 // Remaining elements are neither :enabled nor :disabled
1014 return false;
1015 };
1016 }
1017
1018 /**
1019 * Returns a function to use in pseudos for positionals
1020 * @param {Function} fn
1021 */
1022 function createPositionalPseudo( fn ) {
1023 return markFunction(function( argument ) {
1024 argument = +argument;
1025 return markFunction(function( seed, matches ) {
1026 var j,
1027 matchIndexes = fn( [], seed.length, argument ),
1028 i = matchIndexes.length;
1029
1030 // Match elements found at the specified indexes
1031 while ( i-- ) {
1032 if ( seed[ (j = matchIndexes[i]) ] ) {
1033 seed[j] = !(matches[j] = seed[j]);
1034 }
1035 }
1036 });
1037 });
1038 }
1039
1040 /**
1041 * Checks a node for validity as a Sizzle context
1042 * @param {Element|Object=} context
1043 * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
1044 */
1045 function testContext( context ) {
1046 return context && typeof context.getElementsByTagName !== "undefined" && context;
1047 }
1048
1049 // Expose support vars for convenience
1050 support = Sizzle.support = {};
1051
1052 /**
1053 * Detects XML nodes
1054 * @param {Element|Object} elem An element or a document
1055 * @returns {Boolean} True iff elem is a non-HTML XML node
1056 */
1057 isXML = Sizzle.isXML = function( elem ) {
1058 // documentElement is verified for cases where it doesn't yet exist
1059 // (such as loading iframes in IE - #4833)
1060 var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1061 return documentElement ? documentElement.nodeName !== "HTML" : false;
1062 };
1063
1064 /**
1065 * Sets document-related variables once based on the current document
1066 * @param {Element|Object} [doc] An element or document object to use to set the document
1067 * @returns {Object} Returns the current document
1068 */
1069 setDocument = Sizzle.setDocument = function( node ) {
1070 var hasCompare, subWindow,
1071 doc = node ? node.ownerDocument || node : preferredDoc;
1072
1073 // Return early if doc is invalid or already selected
1074 if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1075 return document;
1076 }
1077
1078 // Update global variables
1079 document = doc;
1080 docElem = document.documentElement;
1081 documentIsHTML = !isXML( document );
1082
1083 // Support: IE 9-11, Edge
1084 // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
1085 if ( preferredDoc !== document &&
1086 (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
1087
1088 // Support: IE 11, Edge
1089 if ( subWindow.addEventListener ) {
1090 subWindow.addEventListener( "unload", unloadHandler, false );
1091
1092 // Support: IE 9 - 10 only
1093 } else if ( subWindow.attachEvent ) {
1094 subWindow.attachEvent( "onunload", unloadHandler );
1095 }
1096 }
1097
1098 /* Attributes
1099 ---------------------------------------------------------------------- */
1100
1101 // Support: IE<8
1102 // Verify that getAttribute really returns attributes and not properties
1103 // (excepting IE8 booleans)
1104 support.attributes = assert(function( el ) {
1105 el.className = "i";
1106 return !el.getAttribute("className");
1107 });
1108
1109 /* getElement(s)By*
1110 ---------------------------------------------------------------------- */
1111
1112 // Check if getElementsByTagName("*") returns only elements
1113 support.getElementsByTagName = assert(function( el ) {
1114 el.appendChild( document.createComment("") );
1115 return !el.getElementsByTagName("*").length;
1116 });
1117
1118 // Support: IE<9
1119 support.getElementsByClassName = rnative.test( document.getElementsByClassName );
1120
1121 // Support: IE<10
1122 // Check if getElementById returns elements by name
1123 // The broken getElementById methods don't pick up programmatically-set names,
1124 // so use a roundabout getElementsByName test
1125 support.getById = assert(function( el ) {
1126 docElem.appendChild( el ).id = expando;
1127 return !document.getElementsByName || !document.getElementsByName( expando ).length;
1128 });
1129
1130 // ID filter and find
1131 if ( support.getById ) {
1132 Expr.filter["ID"] = function( id ) {
1133 var attrId = id.replace( runescape, funescape );
1134 return function( elem ) {
1135 return elem.getAttribute("id") === attrId;
1136 };
1137 };
1138 Expr.find["ID"] = function( id, context ) {
1139 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1140 var elem = context.getElementById( id );
1141 return elem ? [ elem ] : [];
1142 }
1143 };
1144 } else {
1145 Expr.filter["ID"] = function( id ) {
1146 var attrId = id.replace( runescape, funescape );
1147 return function( elem ) {
1148 var node = typeof elem.getAttributeNode !== "undefined" &&
1149 elem.getAttributeNode("id");
1150 return node && node.value === attrId;
1151 };
1152 };
1153
1154 // Support: IE 6 - 7 only
1155 // getElementById is not reliable as a find shortcut
1156 Expr.find["ID"] = function( id, context ) {
1157 if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
1158 var node, i, elems,
1159 elem = context.getElementById( id );
1160
1161 if ( elem ) {
1162
1163 // Verify the id attribute
1164 node = elem.getAttributeNode("id");
1165 if ( node && node.value === id ) {
1166 return [ elem ];
1167 }
1168
1169 // Fall back on getElementsByName
1170 elems = context.getElementsByName( id );
1171 i = 0;
1172 while ( (elem = elems[i++]) ) {
1173 node = elem.getAttributeNode("id");
1174 if ( node && node.value === id ) {
1175 return [ elem ];
1176 }
1177 }
1178 }
1179
1180 return [];
1181 }
1182 };
1183 }
1184
1185 // Tag
1186 Expr.find["TAG"] = support.getElementsByTagName ?
1187 function( tag, context ) {
1188 if ( typeof context.getElementsByTagName !== "undefined" ) {
1189 return context.getElementsByTagName( tag );
1190
1191 // DocumentFragment nodes don't have gEBTN
1192 } else if ( support.qsa ) {
1193 return context.querySelectorAll( tag );
1194 }
1195 } :
1196
1197 function( tag, context ) {
1198 var elem,
1199 tmp = [],
1200 i = 0,
1201 // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
1202 results = context.getElementsByTagName( tag );
1203
1204 // Filter out possible comments
1205 if ( tag === "*" ) {
1206 while ( (elem = results[i++]) ) {
1207 if ( elem.nodeType === 1 ) {
1208 tmp.push( elem );
1209 }
1210 }
1211
1212 return tmp;
1213 }
1214 return results;
1215 };
1216
1217 // Class
1218 Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1219 if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
1220 return context.getElementsByClassName( className );
1221 }
1222 };
1223
1224 /* QSA/matchesSelector
1225 ---------------------------------------------------------------------- */
1226
1227 // QSA and matchesSelector support
1228
1229 // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1230 rbuggyMatches = [];
1231
1232 // qSa(:focus) reports false when true (Chrome 21)
1233 // We allow this because of a bug in IE8/9 that throws an error
1234 // whenever `document.activeElement` is accessed on an iframe
1235 // So, we allow :focus to pass through QSA all the time to avoid the IE error
1236 // See https://bugs.jquery.com/ticket/13378
1237 rbuggyQSA = [];
1238
1239 if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
1240 // Build QSA regex
1241 // Regex strategy adopted from Diego Perini
1242 assert(function( el ) {
1243 // Select is set to empty string on purpose
1244 // This is to test IE's treatment of not explicitly
1245 // setting a boolean content attribute,
1246 // since its presence should be enough
1247 // https://bugs.jquery.com/ticket/12359
1248 docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
1249 "<select id='" + expando + "-\r\\' msallowcapture=''>" +
1250 "<option selected=''></option></select>";
1251
1252 // Support: IE8, Opera 11-12.16
1253 // Nothing should be selected when empty strings follow ^= or $= or *=
1254 // The test attribute must be unknown in Opera but "safe" for WinRT
1255 // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
1256 if ( el.querySelectorAll("[msallowcapture^='']").length ) {
1257 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1258 }
1259
1260 // Support: IE8
1261 // Boolean attributes and "value" are not treated correctly
1262 if ( !el.querySelectorAll("[selected]").length ) {
1263 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1264 }
1265
1266 // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
1267 if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
1268 rbuggyQSA.push("~=");
1269 }
1270
1271 // Webkit/Opera - :checked should return selected option elements
1272 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1273 // IE8 throws error here and will not see later tests
1274 if ( !el.querySelectorAll(":checked").length ) {
1275 rbuggyQSA.push(":checked");
1276 }
1277
1278 // Support: Safari 8+, iOS 8+
1279 // https://bugs.webkit.org/show_bug.cgi?id=136851
1280 // In-page `selector#id sibling-combinator selector` fails
1281 if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
1282 rbuggyQSA.push(".#.+[+~]");
1283 }
1284 });
1285
1286 assert(function( el ) {
1287 el.innerHTML = "<a href='' disabled='disabled'></a>" +
1288 "<select disabled='disabled'><option/></select>";
1289
1290 // Support: Windows 8 Native Apps
1291 // The type and name attributes are restricted during .innerHTML assignment
1292 var input = document.createElement("input");
1293 input.setAttribute( "type", "hidden" );
1294 el.appendChild( input ).setAttribute( "name", "D" );
1295
1296 // Support: IE8
1297 // Enforce case-sensitivity of name attribute
1298 if ( el.querySelectorAll("[name=d]").length ) {
1299 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
1300 }
1301
1302 // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1303 // IE8 throws error here and will not see later tests
1304 if ( el.querySelectorAll(":enabled").length !== 2 ) {
1305 rbuggyQSA.push( ":enabled", ":disabled" );
1306 }
1307
1308 // Support: IE9-11+
1309 // IE's :disabled selector does not pick up the children of disabled fieldsets
1310 docElem.appendChild( el ).disabled = true;
1311 if ( el.querySelectorAll(":disabled").length !== 2 ) {
1312 rbuggyQSA.push( ":enabled", ":disabled" );
1313 }
1314
1315 // Opera 10-11 does not throw on post-comma invalid pseudos
1316 el.querySelectorAll("*,:x");
1317 rbuggyQSA.push(",.*:");
1318 });
1319 }
1320
1321 if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
1322 docElem.webkitMatchesSelector ||
1323 docElem.mozMatchesSelector ||
1324 docElem.oMatchesSelector ||
1325 docElem.msMatchesSelector) )) ) {
1326
1327 assert(function( el ) {
1328 // Check to see if it's possible to do matchesSelector
1329 // on a disconnected node (IE 9)
1330 support.disconnectedMatch = matches.call( el, "*" );
1331
1332 // This should fail with an exception
1333 // Gecko does not error, returns false instead
1334 matches.call( el, "[s!='']:x" );
1335 rbuggyMatches.push( "!=", pseudos );
1336 });
1337 }
1338
1339 rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1340 rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1341
1342 /* Contains
1343 ---------------------------------------------------------------------- */
1344 hasCompare = rnative.test( docElem.compareDocumentPosition );
1345
1346 // Element contains another
1347 // Purposefully self-exclusive
1348 // As in, an element does not contain itself
1349 contains = hasCompare || rnative.test( docElem.contains ) ?
1350 function( a, b ) {
1351 var adown = a.nodeType === 9 ? a.documentElement : a,
1352 bup = b && b.parentNode;
1353 return a === bup || !!( bup && bup.nodeType === 1 && (
1354 adown.contains ?
1355 adown.contains( bup ) :
1356 a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1357 ));
1358 } :
1359 function( a, b ) {
1360 if ( b ) {
1361 while ( (b = b.parentNode) ) {
1362 if ( b === a ) {
1363 return true;
1364 }
1365 }
1366 }
1367 return false;
1368 };
1369
1370 /* Sorting
1371 ---------------------------------------------------------------------- */
1372
1373 // Document order sorting
1374 sortOrder = hasCompare ?
1375 function( a, b ) {
1376
1377 // Flag for duplicate removal
1378 if ( a === b ) {
1379 hasDuplicate = true;
1380 return 0;
1381 }
1382
1383 // Sort on method existence if only one input has compareDocumentPosition
1384 var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
1385 if ( compare ) {
1386 return compare;
1387 }
1388
1389 // Calculate position if both inputs belong to the same document
1390 compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
1391 a.compareDocumentPosition( b ) :
1392
1393 // Otherwise we know they are disconnected
1394 1;
1395
1396 // Disconnected nodes
1397 if ( compare & 1 ||
1398 (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1399
1400 // Choose the first element that is related to our preferred document
1401 if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
1402 return -1;
1403 }
1404 if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
1405 return 1;
1406 }
1407
1408 // Maintain original order
1409 return sortInput ?
1410 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1411 0;
1412 }
1413
1414 return compare & 4 ? -1 : 1;
1415 } :
1416 function( a, b ) {
1417 // Exit early if the nodes are identical
1418 if ( a === b ) {
1419 hasDuplicate = true;
1420 return 0;
1421 }
1422
1423 var cur,
1424 i = 0,
1425 aup = a.parentNode,
1426 bup = b.parentNode,
1427 ap = [ a ],
1428 bp = [ b ];
1429
1430 // Parentless nodes are either documents or disconnected
1431 if ( !aup || !bup ) {
1432 return a === document ? -1 :
1433 b === document ? 1 :
1434 aup ? -1 :
1435 bup ? 1 :
1436 sortInput ?
1437 ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
1438 0;
1439
1440 // If the nodes are siblings, we can do a quick check
1441 } else if ( aup === bup ) {
1442 return siblingCheck( a, b );
1443 }
1444
1445 // Otherwise we need full lists of their ancestors for comparison
1446 cur = a;
1447 while ( (cur = cur.parentNode) ) {
1448 ap.unshift( cur );
1449 }
1450 cur = b;
1451 while ( (cur = cur.parentNode) ) {
1452 bp.unshift( cur );
1453 }
1454
1455 // Walk down the tree looking for a discrepancy
1456 while ( ap[i] === bp[i] ) {
1457 i++;
1458 }
1459
1460 return i ?
1461 // Do a sibling check if the nodes have a common ancestor
1462 siblingCheck( ap[i], bp[i] ) :
1463
1464 // Otherwise nodes in our document sort first
1465 ap[i] === preferredDoc ? -1 :
1466 bp[i] === preferredDoc ? 1 :
1467 0;
1468 };
1469
1470 return document;
1471 };
1472
1473 Sizzle.matches = function( expr, elements ) {
1474 return Sizzle( expr, null, null, elements );
1475 };
1476
1477 Sizzle.matchesSelector = function( elem, expr ) {
1478 // Set document vars if needed
1479 if ( ( elem.ownerDocument || elem ) !== document ) {
1480 setDocument( elem );
1481 }
1482
1483 // Make sure that attribute selectors are quoted
1484 expr = expr.replace( rattributeQuotes, "='$1']" );
1485
1486 if ( support.matchesSelector && documentIsHTML &&
1487 !compilerCache[ expr + " " ] &&
1488 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1489 ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
1490
1491 try {
1492 var ret = matches.call( elem, expr );
1493
1494 // IE 9's matchesSelector returns false on disconnected nodes
1495 if ( ret || support.disconnectedMatch ||
1496 // As well, disconnected nodes are said to be in a document
1497 // fragment in IE 9
1498 elem.document && elem.document.nodeType !== 11 ) {
1499 return ret;
1500 }
1501 } catch (e) {}
1502 }
1503
1504 return Sizzle( expr, document, null, [ elem ] ).length > 0;
1505 };
1506
1507 Sizzle.contains = function( context, elem ) {
1508 // Set document vars if needed
1509 if ( ( context.ownerDocument || context ) !== document ) {
1510 setDocument( context );
1511 }
1512 return contains( context, elem );
1513 };
1514
1515 Sizzle.attr = function( elem, name ) {
1516 // Set document vars if needed
1517 if ( ( elem.ownerDocument || elem ) !== document ) {
1518 setDocument( elem );
1519 }
1520
1521 var fn = Expr.attrHandle[ name.toLowerCase() ],
1522 // Don't get fooled by Object.prototype properties (jQuery #13807)
1523 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1524 fn( elem, name, !documentIsHTML ) :
1525 undefined;
1526
1527 return val !== undefined ?
1528 val :
1529 support.attributes || !documentIsHTML ?
1530 elem.getAttribute( name ) :
1531 (val = elem.getAttributeNode(name)) && val.specified ?
1532 val.value :
1533 null;
1534 };
1535
1536 Sizzle.escape = function( sel ) {
1537 return (sel + "").replace( rcssescape, fcssescape );
1538 };
1539
1540 Sizzle.error = function( msg ) {
1541 throw new Error( "Syntax error, unrecognized expression: " + msg );
1542 };
1543
1544 /**
1545 * Document sorting and removing duplicates
1546 * @param {ArrayLike} results
1547 */
1548 Sizzle.uniqueSort = function( results ) {
1549 var elem,
1550 duplicates = [],
1551 j = 0,
1552 i = 0;
1553
1554 // Unless we *know* we can detect duplicates, assume their presence
1555 hasDuplicate = !support.detectDuplicates;
1556 sortInput = !support.sortStable && results.slice( 0 );
1557 results.sort( sortOrder );
1558
1559 if ( hasDuplicate ) {
1560 while ( (elem = results[i++]) ) {
1561 if ( elem === results[ i ] ) {
1562 j = duplicates.push( i );
1563 }
1564 }
1565 while ( j-- ) {
1566 results.splice( duplicates[ j ], 1 );
1567 }
1568 }
1569
1570 // Clear input after sorting to release objects
1571 // See https://github.com/jquery/sizzle/pull/225
1572 sortInput = null;
1573
1574 return results;
1575 };
1576
1577 /**
1578 * Utility function for retrieving the text value of an array of DOM nodes
1579 * @param {Array|Element} elem
1580 */
1581 getText = Sizzle.getText = function( elem ) {
1582 var node,
1583 ret = "",
1584 i = 0,
1585 nodeType = elem.nodeType;
1586
1587 if ( !nodeType ) {
1588 // If no nodeType, this is expected to be an array
1589 while ( (node = elem[i++]) ) {
1590 // Do not traverse comment nodes
1591 ret += getText( node );
1592 }
1593 } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1594 // Use textContent for elements
1595 // innerText usage removed for consistency of new lines (jQuery #11153)
1596 if ( typeof elem.textContent === "string" ) {
1597 return elem.textContent;
1598 } else {
1599 // Traverse its children
1600 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1601 ret += getText( elem );
1602 }
1603 }
1604 } else if ( nodeType === 3 || nodeType === 4 ) {
1605 return elem.nodeValue;
1606 }
1607 // Do not include comment or processing instruction nodes
1608
1609 return ret;
1610 };
1611
1612 Expr = Sizzle.selectors = {
1613
1614 // Can be adjusted by the user
1615 cacheLength: 50,
1616
1617 createPseudo: markFunction,
1618
1619 match: matchExpr,
1620
1621 attrHandle: {},
1622
1623 find: {},
1624
1625 relative: {
1626 ">": { dir: "parentNode", first: true },
1627 " ": { dir: "parentNode" },
1628 "+": { dir: "previousSibling", first: true },
1629 "~": { dir: "previousSibling" }
1630 },
1631
1632 preFilter: {
1633 "ATTR": function( match ) {
1634 match[1] = match[1].replace( runescape, funescape );
1635
1636 // Move the given value to match[3] whether quoted or unquoted
1637 match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
1638
1639 if ( match[2] === "~=" ) {
1640 match[3] = " " + match[3] + " ";
1641 }
1642
1643 return match.slice( 0, 4 );
1644 },
1645
1646 "CHILD": function( match ) {
1647 /* matches from matchExpr["CHILD"]
1648 1 type (only|nth|...)
1649 2 what (child|of-type)
1650 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1651 4 xn-component of xn+y argument ([+-]?\d*n|)
1652 5 sign of xn-component
1653 6 x of xn-component
1654 7 sign of y-component
1655 8 y of y-component
1656 */
1657 match[1] = match[1].toLowerCase();
1658
1659 if ( match[1].slice( 0, 3 ) === "nth" ) {
1660 // nth-* requires argument
1661 if ( !match[3] ) {
1662 Sizzle.error( match[0] );
1663 }
1664
1665 // numeric x and y parameters for Expr.filter.CHILD
1666 // remember that false/true cast respectively to 0/1
1667 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1668 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1669
1670 // other types prohibit arguments
1671 } else if ( match[3] ) {
1672 Sizzle.error( match[0] );
1673 }
1674
1675 return match;
1676 },
1677
1678 "PSEUDO": function( match ) {
1679 var excess,
1680 unquoted = !match[6] && match[2];
1681
1682 if ( matchExpr["CHILD"].test( match[0] ) ) {
1683 return null;
1684 }
1685
1686 // Accept quoted arguments as-is
1687 if ( match[3] ) {
1688 match[2] = match[4] || match[5] || "";
1689
1690 // Strip excess characters from unquoted arguments
1691 } else if ( unquoted && rpseudo.test( unquoted ) &&
1692 // Get excess from tokenize (recursively)
1693 (excess = tokenize( unquoted, true )) &&
1694 // advance to the next closing parenthesis
1695 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
1696
1697 // excess is a negative index
1698 match[0] = match[0].slice( 0, excess );
1699 match[2] = unquoted.slice( 0, excess );
1700 }
1701
1702 // Return only captures needed by the pseudo filter method (type and argument)
1703 return match.slice( 0, 3 );
1704 }
1705 },
1706
1707 filter: {
1708
1709 "TAG": function( nodeNameSelector ) {
1710 var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
1711 return nodeNameSelector === "*" ?
1712 function() { return true; } :
1713 function( elem ) {
1714 return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
1715 };
1716 },
1717
1718 "CLASS": function( className ) {
1719 var pattern = classCache[ className + " " ];
1720
1721 return pattern ||
1722 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
1723 classCache( className, function( elem ) {
1724 return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
1725 });
1726 },
1727
1728 "ATTR": function( name, operator, check ) {
1729 return function( elem ) {
1730 var result = Sizzle.attr( elem, name );
1731
1732 if ( result == null ) {
1733 return operator === "!=";
1734 }
1735 if ( !operator ) {
1736 return true;
1737 }
1738
1739 result += "";
1740
1741 return operator === "=" ? result === check :
1742 operator === "!=" ? result !== check :
1743 operator === "^=" ? check && result.indexOf( check ) === 0 :
1744 operator === "*=" ? check && result.indexOf( check ) > -1 :
1745 operator === "$=" ? check && result.slice( -check.length ) === check :
1746 operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
1747 operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
1748 false;
1749 };
1750 },
1751
1752 "CHILD": function( type, what, argument, first, last ) {
1753 var simple = type.slice( 0, 3 ) !== "nth",
1754 forward = type.slice( -4 ) !== "last",
1755 ofType = what === "of-type";
1756
1757 return first === 1 && last === 0 ?
1758
1759 // Shortcut for :nth-*(n)
1760 function( elem ) {
1761 return !!elem.parentNode;
1762 } :
1763
1764 function( elem, context, xml ) {
1765 var cache, uniqueCache, outerCache, node, nodeIndex, start,
1766 dir = simple !== forward ? "nextSibling" : "previousSibling",
1767 parent = elem.parentNode,
1768 name = ofType && elem.nodeName.toLowerCase(),
1769 useCache = !xml && !ofType,
1770 diff = false;
1771
1772 if ( parent ) {
1773
1774 // :(first|last|only)-(child|of-type)
1775 if ( simple ) {
1776 while ( dir ) {
1777 node = elem;
1778 while ( (node = node[ dir ]) ) {
1779 if ( ofType ?
1780 node.nodeName.toLowerCase() === name :
1781 node.nodeType === 1 ) {
1782
1783 return false;
1784 }
1785 }
1786 // Reverse direction for :only-* (if we haven't yet done so)
1787 start = dir = type === "only" && !start && "nextSibling";
1788 }
1789 return true;
1790 }
1791
1792 start = [ forward ? parent.firstChild : parent.lastChild ];
1793
1794 // non-xml :nth-child(...) stores cache data on `parent`
1795 if ( forward && useCache ) {
1796
1797 // Seek `elem` from a previously-cached index
1798
1799 // ...in a gzip-friendly way
1800 node = parent;
1801 outerCache = node[ expando ] || (node[ expando ] = {});
1802
1803 // Support: IE <9 only
1804 // Defend against cloned attroperties (jQuery gh-1709)
1805 uniqueCache = outerCache[ node.uniqueID ] ||
1806 (outerCache[ node.uniqueID ] = {});
1807
1808 cache = uniqueCache[ type ] || [];
1809 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1810 diff = nodeIndex && cache[ 2 ];
1811 node = nodeIndex && parent.childNodes[ nodeIndex ];
1812
1813 while ( (node = ++nodeIndex && node && node[ dir ] ||
1814
1815 // Fallback to seeking `elem` from the start
1816 (diff = nodeIndex = 0) || start.pop()) ) {
1817
1818 // When found, cache indexes on `parent` and break
1819 if ( node.nodeType === 1 && ++diff && node === elem ) {
1820 uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
1821 break;
1822 }
1823 }
1824
1825 } else {
1826 // Use previously-cached element index if available
1827 if ( useCache ) {
1828 // ...in a gzip-friendly way
1829 node = elem;
1830 outerCache = node[ expando ] || (node[ expando ] = {});
1831
1832 // Support: IE <9 only
1833 // Defend against cloned attroperties (jQuery gh-1709)
1834 uniqueCache = outerCache[ node.uniqueID ] ||
1835 (outerCache[ node.uniqueID ] = {});
1836
1837 cache = uniqueCache[ type ] || [];
1838 nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
1839 diff = nodeIndex;
1840 }
1841
1842 // xml :nth-child(...)
1843 // or :nth-last-child(...) or :nth(-last)?-of-type(...)
1844 if ( diff === false ) {
1845 // Use the same loop as above to seek `elem` from the start
1846 while ( (node = ++nodeIndex && node && node[ dir ] ||
1847 (diff = nodeIndex = 0) || start.pop()) ) {
1848
1849 if ( ( ofType ?
1850 node.nodeName.toLowerCase() === name :
1851 node.nodeType === 1 ) &&
1852 ++diff ) {
1853
1854 // Cache the index of each encountered element
1855 if ( useCache ) {
1856 outerCache = node[ expando ] || (node[ expando ] = {});
1857
1858 // Support: IE <9 only
1859 // Defend against cloned attroperties (jQuery gh-1709)
1860 uniqueCache = outerCache[ node.uniqueID ] ||
1861 (outerCache[ node.uniqueID ] = {});
1862
1863 uniqueCache[ type ] = [ dirruns, diff ];
1864 }
1865
1866 if ( node === elem ) {
1867 break;
1868 }
1869 }
1870 }
1871 }
1872 }
1873
1874 // Incorporate the offset, then check against cycle size
1875 diff -= last;
1876 return diff === first || ( diff % first === 0 && diff / first >= 0 );
1877 }
1878 };
1879 },
1880
1881 "PSEUDO": function( pseudo, argument ) {
1882 // pseudo-class names are case-insensitive
1883 // http://www.w3.org/TR/selectors/#pseudo-classes
1884 // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
1885 // Remember that setFilters inherits from pseudos
1886 var args,
1887 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
1888 Sizzle.error( "unsupported pseudo: " + pseudo );
1889
1890 // The user may use createPseudo to indicate that
1891 // arguments are needed to create the filter function
1892 // just as Sizzle does
1893 if ( fn[ expando ] ) {
1894 return fn( argument );
1895 }
1896
1897 // But maintain support for old signatures
1898 if ( fn.length > 1 ) {
1899 args = [ pseudo, pseudo, "", argument ];
1900 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
1901 markFunction(function( seed, matches ) {
1902 var idx,
1903 matched = fn( seed, argument ),
1904 i = matched.length;
1905 while ( i-- ) {
1906 idx = indexOf( seed, matched[i] );
1907 seed[ idx ] = !( matches[ idx ] = matched[i] );
1908 }
1909 }) :
1910 function( elem ) {
1911 return fn( elem, 0, args );
1912 };
1913 }
1914
1915 return fn;
1916 }
1917 },
1918
1919 pseudos: {
1920 // Potentially complex pseudos
1921 "not": markFunction(function( selector ) {
1922 // Trim the selector passed to compile
1923 // to avoid treating leading and trailing
1924 // spaces as combinators
1925 var input = [],
1926 results = [],
1927 matcher = compile( selector.replace( rtrim, "$1" ) );
1928
1929 return matcher[ expando ] ?
1930 markFunction(function( seed, matches, context, xml ) {
1931 var elem,
1932 unmatched = matcher( seed, null, xml, [] ),
1933 i = seed.length;
1934
1935 // Match elements unmatched by `matcher`
1936 while ( i-- ) {
1937 if ( (elem = unmatched[i]) ) {
1938 seed[i] = !(matches[i] = elem);
1939 }
1940 }
1941 }) :
1942 function( elem, context, xml ) {
1943 input[0] = elem;
1944 matcher( input, null, xml, results );
1945 // Don't keep the element (issue #299)
1946 input[0] = null;
1947 return !results.pop();
1948 };
1949 }),
1950
1951 "has": markFunction(function( selector ) {
1952 return function( elem ) {
1953 return Sizzle( selector, elem ).length > 0;
1954 };
1955 }),
1956
1957 "contains": markFunction(function( text ) {
1958 text = text.replace( runescape, funescape );
1959 return function( elem ) {
1960 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
1961 };
1962 }),
1963
1964 // "Whether an element is represented by a :lang() selector
1965 // is based solely on the element's language value
1966 // being equal to the identifier C,
1967 // or beginning with the identifier C immediately followed by "-".
1968 // The matching of C against the element's language value is performed case-insensitively.
1969 // The identifier C does not have to be a valid language name."
1970 // http://www.w3.org/TR/selectors/#lang-pseudo
1971 "lang": markFunction( function( lang ) {
1972 // lang value must be a valid identifier
1973 if ( !ridentifier.test(lang || "") ) {
1974 Sizzle.error( "unsupported lang: " + lang );
1975 }
1976 lang = lang.replace( runescape, funescape ).toLowerCase();
1977 return function( elem ) {
1978 var elemLang;
1979 do {
1980 if ( (elemLang = documentIsHTML ?
1981 elem.lang :
1982 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
1983
1984 elemLang = elemLang.toLowerCase();
1985 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
1986 }
1987 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
1988 return false;
1989 };
1990 }),
1991
1992 // Miscellaneous
1993 "target": function( elem ) {
1994 var hash = window.location && window.location.hash;
1995 return hash && hash.slice( 1 ) === elem.id;
1996 },
1997
1998 "root": function( elem ) {
1999 return elem === docElem;
2000 },
2001
2002 "focus": function( elem ) {
2003 return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2004 },
2005
2006 // Boolean properties
2007 "enabled": createDisabledPseudo( false ),
2008 "disabled": createDisabledPseudo( true ),
2009
2010 "checked": function( elem ) {
2011 // In CSS3, :checked should return both checked and selected elements
2012 // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2013 var nodeName = elem.nodeName.toLowerCase();
2014 return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2015 },
2016
2017 "selected": function( elem ) {
2018 // Accessing this property makes selected-by-default
2019 // options in Safari work properly
2020 if ( elem.parentNode ) {
2021 elem.parentNode.selectedIndex;
2022 }
2023
2024 return elem.selected === true;
2025 },
2026
2027 // Contents
2028 "empty": function( elem ) {
2029 // http://www.w3.org/TR/selectors/#empty-pseudo
2030 // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
2031 // but not by others (comment: 8; processing instruction: 7; etc.)
2032 // nodeType < 6 works because attributes (2) do not appear as children
2033 for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2034 if ( elem.nodeType < 6 ) {
2035 return false;
2036 }
2037 }
2038 return true;
2039 },
2040
2041 "parent": function( elem ) {
2042 return !Expr.pseudos["empty"]( elem );
2043 },
2044
2045 // Element/input types
2046 "header": function( elem ) {
2047 return rheader.test( elem.nodeName );
2048 },
2049
2050 "input": function( elem ) {
2051 return rinputs.test( elem.nodeName );
2052 },
2053
2054 "button": function( elem ) {
2055 var name = elem.nodeName.toLowerCase();
2056 return name === "input" && elem.type === "button" || name === "button";
2057 },
2058
2059 "text": function( elem ) {
2060 var attr;
2061 return elem.nodeName.toLowerCase() === "input" &&
2062 elem.type === "text" &&
2063
2064 // Support: IE<8
2065 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
2066 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
2067 },
2068
2069 // Position-in-collection
2070 "first": createPositionalPseudo(function() {
2071 return [ 0 ];
2072 }),
2073
2074 "last": createPositionalPseudo(function( matchIndexes, length ) {
2075 return [ length - 1 ];
2076 }),
2077
2078 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2079 return [ argument < 0 ? argument + length : argument ];
2080 }),
2081
2082 "even": createPositionalPseudo(function( matchIndexes, length ) {
2083 var i = 0;
2084 for ( ; i < length; i += 2 ) {
2085 matchIndexes.push( i );
2086 }
2087 return matchIndexes;
2088 }),
2089
2090 "odd": createPositionalPseudo(function( matchIndexes, length ) {
2091 var i = 1;
2092 for ( ; i < length; i += 2 ) {
2093 matchIndexes.push( i );
2094 }
2095 return matchIndexes;
2096 }),
2097
2098 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2099 var i = argument < 0 ? argument + length : argument;
2100 for ( ; --i >= 0; ) {
2101 matchIndexes.push( i );
2102 }
2103 return matchIndexes;
2104 }),
2105
2106 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2107 var i = argument < 0 ? argument + length : argument;
2108 for ( ; ++i < length; ) {
2109 matchIndexes.push( i );
2110 }
2111 return matchIndexes;
2112 })
2113 }
2114 };
2115
2116 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2117
2118 // Add button/input type pseudos
2119 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2120 Expr.pseudos[ i ] = createInputPseudo( i );
2121 }
2122 for ( i in { submit: true, reset: true } ) {
2123 Expr.pseudos[ i ] = createButtonPseudo( i );
2124 }
2125
2126 // Easy API for creating new setFilters
2127 function setFilters() {}
2128 setFilters.prototype = Expr.filters = Expr.pseudos;
2129 Expr.setFilters = new setFilters();
2130
2131 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
2132 var matched, match, tokens, type,
2133 soFar, groups, preFilters,
2134 cached = tokenCache[ selector + " " ];
2135
2136 if ( cached ) {
2137 return parseOnly ? 0 : cached.slice( 0 );
2138 }
2139
2140 soFar = selector;
2141 groups = [];
2142 preFilters = Expr.preFilter;
2143
2144 while ( soFar ) {
2145
2146 // Comma and first run
2147 if ( !matched || (match = rcomma.exec( soFar )) ) {
2148 if ( match ) {
2149 // Don't consume trailing commas as valid
2150 soFar = soFar.slice( match[0].length ) || soFar;
2151 }
2152 groups.push( (tokens = []) );
2153 }
2154
2155 matched = false;
2156
2157 // Combinators
2158 if ( (match = rcombinators.exec( soFar )) ) {
2159 matched = match.shift();
2160 tokens.push({
2161 value: matched,
2162 // Cast descendant combinators to space
2163 type: match[0].replace( rtrim, " " )
2164 });
2165 soFar = soFar.slice( matched.length );
2166 }
2167
2168 // Filters
2169 for ( type in Expr.filter ) {
2170 if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2171 (match = preFilters[ type ]( match ))) ) {
2172 matched = match.shift();
2173 tokens.push({
2174 value: matched,
2175 type: type,
2176 matches: match
2177 });
2178 soFar = soFar.slice( matched.length );
2179 }
2180 }
2181
2182 if ( !matched ) {
2183 break;
2184 }
2185 }
2186
2187 // Return the length of the invalid excess
2188 // if we're just parsing
2189 // Otherwise, throw an error or return tokens
2190 return parseOnly ?
2191 soFar.length :
2192 soFar ?
2193 Sizzle.error( selector ) :
2194 // Cache the tokens
2195 tokenCache( selector, groups ).slice( 0 );
2196 };
2197
2198 function toSelector( tokens ) {
2199 var i = 0,
2200 len = tokens.length,
2201 selector = "";
2202 for ( ; i < len; i++ ) {
2203 selector += tokens[i].value;
2204 }
2205 return selector;
2206 }
2207
2208 function addCombinator( matcher, combinator, base ) {
2209 var dir = combinator.dir,
2210 skip = combinator.next,
2211 key = skip || dir,
2212 checkNonElements = base && key === "parentNode",
2213 doneName = done++;
2214
2215 return combinator.first ?
2216 // Check against closest ancestor/preceding element
2217 function( elem, context, xml ) {
2218 while ( (elem = elem[ dir ]) ) {
2219 if ( elem.nodeType === 1 || checkNonElements ) {
2220 return matcher( elem, context, xml );
2221 }
2222 }
2223 return false;
2224 } :
2225
2226 // Check against all ancestor/preceding elements
2227 function( elem, context, xml ) {
2228 var oldCache, uniqueCache, outerCache,
2229 newCache = [ dirruns, doneName ];
2230
2231 // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
2232 if ( xml ) {
2233 while ( (elem = elem[ dir ]) ) {
2234 if ( elem.nodeType === 1 || checkNonElements ) {
2235 if ( matcher( elem, context, xml ) ) {
2236 return true;
2237 }
2238 }
2239 }
2240 } else {
2241 while ( (elem = elem[ dir ]) ) {
2242 if ( elem.nodeType === 1 || checkNonElements ) {
2243 outerCache = elem[ expando ] || (elem[ expando ] = {});
2244
2245 // Support: IE <9 only
2246 // Defend against cloned attroperties (jQuery gh-1709)
2247 uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
2248
2249 if ( skip && skip === elem.nodeName.toLowerCase() ) {
2250 elem = elem[ dir ] || elem;
2251 } else if ( (oldCache = uniqueCache[ key ]) &&
2252 oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
2253
2254 // Assign to newCache so results back-propagate to previous elements
2255 return (newCache[ 2 ] = oldCache[ 2 ]);
2256 } else {
2257 // Reuse newcache so results back-propagate to previous elements
2258 uniqueCache[ key ] = newCache;
2259
2260 // A match means we're done; a fail means we have to keep checking
2261 if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
2262 return true;
2263 }
2264 }
2265 }
2266 }
2267 }
2268 return false;
2269 };
2270 }
2271
2272 function elementMatcher( matchers ) {
2273 return matchers.length > 1 ?
2274 function( elem, context, xml ) {
2275 var i = matchers.length;
2276 while ( i-- ) {
2277 if ( !matchers[i]( elem, context, xml ) ) {
2278 return false;
2279 }
2280 }
2281 return true;
2282 } :
2283 matchers[0];
2284 }
2285
2286 function multipleContexts( selector, contexts, results ) {
2287 var i = 0,
2288 len = contexts.length;
2289 for ( ; i < len; i++ ) {
2290 Sizzle( selector, contexts[i], results );
2291 }
2292 return results;
2293 }
2294
2295 function condense( unmatched, map, filter, context, xml ) {
2296 var elem,
2297 newUnmatched = [],
2298 i = 0,
2299 len = unmatched.length,
2300 mapped = map != null;
2301
2302 for ( ; i < len; i++ ) {
2303 if ( (elem = unmatched[i]) ) {
2304 if ( !filter || filter( elem, context, xml ) ) {
2305 newUnmatched.push( elem );
2306 if ( mapped ) {
2307 map.push( i );
2308 }
2309 }
2310 }
2311 }
2312
2313 return newUnmatched;
2314 }
2315
2316 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2317 if ( postFilter && !postFilter[ expando ] ) {
2318 postFilter = setMatcher( postFilter );
2319 }
2320 if ( postFinder && !postFinder[ expando ] ) {
2321 postFinder = setMatcher( postFinder, postSelector );
2322 }
2323 return markFunction(function( seed, results, context, xml ) {
2324 var temp, i, elem,
2325 preMap = [],
2326 postMap = [],
2327 preexisting = results.length,
2328
2329 // Get initial elements from seed or context
2330 elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2331
2332 // Prefilter to get matcher input, preserving a map for seed-results synchronization
2333 matcherIn = preFilter && ( seed || !selector ) ?
2334 condense( elems, preMap, preFilter, context, xml ) :
2335 elems,
2336
2337 matcherOut = matcher ?
2338 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2339 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2340
2341 // ...intermediate processing is necessary
2342 [] :
2343
2344 // ...otherwise use results directly
2345 results :
2346 matcherIn;
2347
2348 // Find primary matches
2349 if ( matcher ) {
2350 matcher( matcherIn, matcherOut, context, xml );
2351 }
2352
2353 // Apply postFilter
2354 if ( postFilter ) {
2355 temp = condense( matcherOut, postMap );
2356 postFilter( temp, [], context, xml );
2357
2358 // Un-match failing elements by moving them back to matcherIn
2359 i = temp.length;
2360 while ( i-- ) {
2361 if ( (elem = temp[i]) ) {
2362 matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2363 }
2364 }
2365 }
2366
2367 if ( seed ) {
2368 if ( postFinder || preFilter ) {
2369 if ( postFinder ) {
2370 // Get the final matcherOut by condensing this intermediate into postFinder contexts
2371 temp = [];
2372 i = matcherOut.length;
2373 while ( i-- ) {
2374 if ( (elem = matcherOut[i]) ) {
2375 // Restore matcherIn since elem is not yet a final match
2376 temp.push( (matcherIn[i] = elem) );
2377 }
2378 }
2379 postFinder( null, (matcherOut = []), temp, xml );
2380 }
2381
2382 // Move matched elements from seed to results to keep them synchronized
2383 i = matcherOut.length;
2384 while ( i-- ) {
2385 if ( (elem = matcherOut[i]) &&
2386 (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
2387
2388 seed[temp] = !(results[temp] = elem);
2389 }
2390 }
2391 }
2392
2393 // Add elements to results, through postFinder if defined
2394 } else {
2395 matcherOut = condense(
2396 matcherOut === results ?
2397 matcherOut.splice( preexisting, matcherOut.length ) :
2398 matcherOut
2399 );
2400 if ( postFinder ) {
2401 postFinder( null, results, matcherOut, xml );
2402 } else {
2403 push.apply( results, matcherOut );
2404 }
2405 }
2406 });
2407 }
2408
2409 function matcherFromTokens( tokens ) {
2410 var checkContext, matcher, j,
2411 len = tokens.length,
2412 leadingRelative = Expr.relative[ tokens[0].type ],
2413 implicitRelative = leadingRelative || Expr.relative[" "],
2414 i = leadingRelative ? 1 : 0,
2415
2416 // The foundational matcher ensures that elements are reachable from top-level context(s)
2417 matchContext = addCombinator( function( elem ) {
2418 return elem === checkContext;
2419 }, implicitRelative, true ),
2420 matchAnyContext = addCombinator( function( elem ) {
2421 return indexOf( checkContext, elem ) > -1;
2422 }, implicitRelative, true ),
2423 matchers = [ function( elem, context, xml ) {
2424 var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2425 (checkContext = context).nodeType ?
2426 matchContext( elem, context, xml ) :
2427 matchAnyContext( elem, context, xml ) );
2428 // Avoid hanging onto element (issue #299)
2429 checkContext = null;
2430 return ret;
2431 } ];
2432
2433 for ( ; i < len; i++ ) {
2434 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2435 matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2436 } else {
2437 matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2438
2439 // Return special upon seeing a positional matcher
2440 if ( matcher[ expando ] ) {
2441 // Find the next relative operator (if any) for proper handling
2442 j = ++i;
2443 for ( ; j < len; j++ ) {
2444 if ( Expr.relative[ tokens[j].type ] ) {
2445 break;
2446 }
2447 }
2448 return setMatcher(
2449 i > 1 && elementMatcher( matchers ),
2450 i > 1 && toSelector(
2451 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2452 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2453 ).replace( rtrim, "$1" ),
2454 matcher,
2455 i < j && matcherFromTokens( tokens.slice( i, j ) ),
2456 j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2457 j < len && toSelector( tokens )
2458 );
2459 }
2460 matchers.push( matcher );
2461 }
2462 }
2463
2464 return elementMatcher( matchers );
2465 }
2466
2467 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2468 var bySet = setMatchers.length > 0,
2469 byElement = elementMatchers.length > 0,
2470 superMatcher = function( seed, context, xml, results, outermost ) {
2471 var elem, j, matcher,
2472 matchedCount = 0,
2473 i = "0",
2474 unmatched = seed && [],
2475 setMatched = [],
2476 contextBackup = outermostContext,
2477 // We must always have either seed elements or outermost context
2478 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
2479 // Use integer dirruns iff this is the outermost matcher
2480 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
2481 len = elems.length;
2482
2483 if ( outermost ) {
2484 outermostContext = context === document || context || outermost;
2485 }
2486
2487 // Add elements passing elementMatchers directly to results
2488 // Support: IE<9, Safari
2489 // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
2490 for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
2491 if ( byElement && elem ) {
2492 j = 0;
2493 if ( !context && elem.ownerDocument !== document ) {
2494 setDocument( elem );
2495 xml = !documentIsHTML;
2496 }
2497 while ( (matcher = elementMatchers[j++]) ) {
2498 if ( matcher( elem, context || document, xml) ) {
2499 results.push( elem );
2500 break;
2501 }
2502 }
2503 if ( outermost ) {
2504 dirruns = dirrunsUnique;
2505 }
2506 }
2507
2508 // Track unmatched elements for set filters
2509 if ( bySet ) {
2510 // They will have gone through all possible matchers
2511 if ( (elem = !matcher && elem) ) {
2512 matchedCount--;
2513 }
2514
2515 // Lengthen the array for every element, matched or not
2516 if ( seed ) {
2517 unmatched.push( elem );
2518 }
2519 }
2520 }
2521
2522 // `i` is now the count of elements visited above, and adding it to `matchedCount`
2523 // makes the latter nonnegative.
2524 matchedCount += i;
2525
2526 // Apply set filters to unmatched elements
2527 // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
2528 // equals `i`), unless we didn't visit _any_ elements in the above loop because we have
2529 // no element matchers and no seed.
2530 // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
2531 // case, which will result in a "00" `matchedCount` that differs from `i` but is also
2532 // numerically zero.
2533 if ( bySet && i !== matchedCount ) {
2534 j = 0;
2535 while ( (matcher = setMatchers[j++]) ) {
2536 matcher( unmatched, setMatched, context, xml );
2537 }
2538
2539 if ( seed ) {
2540 // Reintegrate element matches to eliminate the need for sorting
2541 if ( matchedCount > 0 ) {
2542 while ( i-- ) {
2543 if ( !(unmatched[i] || setMatched[i]) ) {
2544 setMatched[i] = pop.call( results );
2545 }
2546 }
2547 }
2548
2549 // Discard index placeholder values to get only actual matches
2550 setMatched = condense( setMatched );
2551 }
2552
2553 // Add matches to results
2554 push.apply( results, setMatched );
2555
2556 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2557 if ( outermost && !seed && setMatched.length > 0 &&
2558 ( matchedCount + setMatchers.length ) > 1 ) {
2559
2560 Sizzle.uniqueSort( results );
2561 }
2562 }
2563
2564 // Override manipulation of globals by nested matchers
2565 if ( outermost ) {
2566 dirruns = dirrunsUnique;
2567 outermostContext = contextBackup;
2568 }
2569
2570 return unmatched;
2571 };
2572
2573 return bySet ?
2574 markFunction( superMatcher ) :
2575 superMatcher;
2576 }
2577
2578 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
2579 var i,
2580 setMatchers = [],
2581 elementMatchers = [],
2582 cached = compilerCache[ selector + " " ];
2583
2584 if ( !cached ) {
2585 // Generate a function of recursive functions that can be used to check each element
2586 if ( !match ) {
2587 match = tokenize( selector );
2588 }
2589 i = match.length;
2590 while ( i-- ) {
2591 cached = matcherFromTokens( match[i] );
2592 if ( cached[ expando ] ) {
2593 setMatchers.push( cached );
2594 } else {
2595 elementMatchers.push( cached );
2596 }
2597 }
2598
2599 // Cache the compiled function
2600 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2601
2602 // Save selector and tokenization
2603 cached.selector = selector;
2604 }
2605 return cached;
2606 };
2607
2608 /**
2609 * A low-level selection function that works with Sizzle's compiled
2610 * selector functions
2611 * @param {String|Function} selector A selector or a pre-compiled
2612 * selector function built with Sizzle.compile
2613 * @param {Element} context
2614 * @param {Array} [results]
2615 * @param {Array} [seed] A set of elements to match against
2616 */
2617 select = Sizzle.select = function( selector, context, results, seed ) {
2618 var i, tokens, token, type, find,
2619 compiled = typeof selector === "function" && selector,
2620 match = !seed && tokenize( (selector = compiled.selector || selector) );
2621
2622 results = results || [];
2623
2624 // Try to minimize operations if there is only one selector in the list and no seed
2625 // (the latter of which guarantees us context)
2626 if ( match.length === 1 ) {
2627
2628 // Reduce context if the leading compound selector is an ID
2629 tokens = match[0] = match[0].slice( 0 );
2630 if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2631 context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
2632
2633 context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2634 if ( !context ) {
2635 return results;
2636
2637 // Precompiled matchers will still verify ancestry, so step up a level
2638 } else if ( compiled ) {
2639 context = context.parentNode;
2640 }
2641
2642 selector = selector.slice( tokens.shift().value.length );
2643 }
2644
2645 // Fetch a seed set for right-to-left matching
2646 i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2647 while ( i-- ) {
2648 token = tokens[i];
2649
2650 // Abort if we hit a combinator
2651 if ( Expr.relative[ (type = token.type) ] ) {
2652 break;
2653 }
2654 if ( (find = Expr.find[ type ]) ) {
2655 // Search, expanding context for leading sibling combinators
2656 if ( (seed = find(
2657 token.matches[0].replace( runescape, funescape ),
2658 rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
2659 )) ) {
2660
2661 // If seed is empty or no tokens remain, we can return early
2662 tokens.splice( i, 1 );
2663 selector = seed.length && toSelector( tokens );
2664 if ( !selector ) {
2665 push.apply( results, seed );
2666 return results;
2667 }
2668
2669 break;
2670 }
2671 }
2672 }
2673 }
2674
2675 // Compile and execute a filtering function if one is not provided
2676 // Provide `match` to avoid retokenization if we modified the selector above
2677 ( compiled || compile( selector, match ) )(
2678 seed,
2679 context,
2680 !documentIsHTML,
2681 results,
2682 !context || rsibling.test( selector ) && testContext( context.parentNode ) || context
2683 );
2684 return results;
2685 };
2686
2687 // One-time assignments
2688
2689 // Sort stability
2690 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2691
2692 // Support: Chrome 14-35+
2693 // Always assume duplicates if they aren't passed to the comparison function
2694 support.detectDuplicates = !!hasDuplicate;
2695
2696 // Initialize against the default document
2697 setDocument();
2698
2699 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2700 // Detached nodes confoundingly follow *each other*
2701 support.sortDetached = assert(function( el ) {
2702 // Should return 1, but returns 4 (following)
2703 return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
2704 });
2705
2706 // Support: IE<8
2707 // Prevent attribute/property "interpolation"
2708 // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2709 if ( !assert(function( el ) {
2710 el.innerHTML = "<a href='#'></a>";
2711 return el.firstChild.getAttribute("href") === "#" ;
2712 }) ) {
2713 addHandle( "type|href|height|width", function( elem, name, isXML ) {
2714 if ( !isXML ) {
2715 return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2716 }
2717 });
2718 }
2719
2720 // Support: IE<9
2721 // Use defaultValue in place of getAttribute("value")
2722 if ( !support.attributes || !assert(function( el ) {
2723 el.innerHTML = "<input/>";
2724 el.firstChild.setAttribute( "value", "" );
2725 return el.firstChild.getAttribute( "value" ) === "";
2726 }) ) {
2727 addHandle( "value", function( elem, name, isXML ) {
2728 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2729 return elem.defaultValue;
2730 }
2731 });
2732 }
2733
2734 // Support: IE<9
2735 // Use getAttributeNode to fetch booleans when getAttribute lies
2736 if ( !assert(function( el ) {
2737 return el.getAttribute("disabled") == null;
2738 }) ) {
2739 addHandle( booleans, function( elem, name, isXML ) {
2740 var val;
2741 if ( !isXML ) {
2742 return elem[ name ] === true ? name.toLowerCase() :
2743 (val = elem.getAttributeNode( name )) && val.specified ?
2744 val.value :
2745 null;
2746 }
2747 });
2748 }
2749
2750 return Sizzle;
2751
2752 })( window );
2753
2754
2755
2756 jQuery.find = Sizzle;
2757 jQuery.expr = Sizzle.selectors;
2758
2759 // Deprecated
2760 jQuery.expr[ ":" ] = jQuery.expr.pseudos;
2761 jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
2762 jQuery.text = Sizzle.getText;
2763 jQuery.isXMLDoc = Sizzle.isXML;
2764 jQuery.contains = Sizzle.contains;
2765 jQuery.escapeSelector = Sizzle.escape;
2766
2767
2768
2769
2770 var dir = function( elem, dir, until ) {
2771 var matched = [],
2772 truncate = until !== undefined;
2773
2774 while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
2775 if ( elem.nodeType === 1 ) {
2776 if ( truncate && jQuery( elem ).is( until ) ) {
2777 break;
2778 }
2779 matched.push( elem );
2780 }
2781 }
2782 return matched;
2783 };
2784
2785
2786 var siblings = function( n, elem ) {
2787 var matched = [];
2788
2789 for ( ; n; n = n.nextSibling ) {
2790 if ( n.nodeType === 1 && n !== elem ) {
2791 matched.push( n );
2792 }
2793 }
2794
2795 return matched;
2796 };
2797
2798
2799 var rneedsContext = jQuery.expr.match.needsContext;
2800
2801
2802
2803 function nodeName( elem, name ) {
2804
2805 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
2806
2807 };
2808 var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
2809
2810
2811
2812 // Implement the identical functionality for filter and not
2813 function winnow( elements, qualifier, not ) {
2814 if ( isFunction( qualifier ) ) {
2815 return jQuery.grep( elements, function( elem, i ) {
2816 return !!qualifier.call( elem, i, elem ) !== not;
2817 } );
2818 }
2819
2820 // Single element
2821 if ( qualifier.nodeType ) {
2822 return jQuery.grep( elements, function( elem ) {
2823 return ( elem === qualifier ) !== not;
2824 } );
2825 }
2826
2827 // Arraylike of elements (jQuery, arguments, Array)
2828 if ( typeof qualifier !== "string" ) {
2829 return jQuery.grep( elements, function( elem ) {
2830 return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
2831 } );
2832 }
2833
2834 // Filtered directly for both simple and complex selectors
2835 return jQuery.filter( qualifier, elements, not );
2836 }
2837
2838 jQuery.filter = function( expr, elems, not ) {
2839 var elem = elems[ 0 ];
2840
2841 if ( not ) {
2842 expr = ":not(" + expr + ")";
2843 }
2844
2845 if ( elems.length === 1 && elem.nodeType === 1 ) {
2846 return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
2847 }
2848
2849 return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
2850 return elem.nodeType === 1;
2851 } ) );
2852 };
2853
2854 jQuery.fn.extend( {
2855 find: function( selector ) {
2856 var i, ret,
2857 len = this.length,
2858 self = this;
2859
2860 if ( typeof selector !== "string" ) {
2861 return this.pushStack( jQuery( selector ).filter( function() {
2862 for ( i = 0; i < len; i++ ) {
2863 if ( jQuery.contains( self[ i ], this ) ) {
2864 return true;
2865 }
2866 }
2867 } ) );
2868 }
2869
2870 ret = this.pushStack( [] );
2871
2872 for ( i = 0; i < len; i++ ) {
2873 jQuery.find( selector, self[ i ], ret );
2874 }
2875
2876 return len > 1 ? jQuery.uniqueSort( ret ) : ret;
2877 },
2878 filter: function( selector ) {
2879 return this.pushStack( winnow( this, selector || [], false ) );
2880 },
2881 not: function( selector ) {
2882 return this.pushStack( winnow( this, selector || [], true ) );
2883 },
2884 is: function( selector ) {
2885 return !!winnow(
2886 this,
2887
2888 // If this is a positional/relative selector, check membership in the returned set
2889 // so $("p:first").is("p:last") won't return true for a doc with two "p".
2890 typeof selector === "string" && rneedsContext.test( selector ) ?
2891 jQuery( selector ) :
2892 selector || [],
2893 false
2894 ).length;
2895 }
2896 } );
2897
2898
2899 // Initialize a jQuery object
2900
2901
2902 // A central reference to the root jQuery(document)
2903 var rootjQuery,
2904
2905 // A simple way to check for HTML strings
2906 // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
2907 // Strict HTML recognition (#11290: must start with <)
2908 // Shortcut simple #id case for speed
2909 rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
2910
2911 init = jQuery.fn.init = function( selector, context, root ) {
2912 var match, elem;
2913
2914 // HANDLE: $(""), $(null), $(undefined), $(false)
2915 if ( !selector ) {
2916 return this;
2917 }
2918
2919 // Method init() accepts an alternate rootjQuery
2920 // so migrate can support jQuery.sub (gh-2101)
2921 root = root || rootjQuery;
2922
2923 // Handle HTML strings
2924 if ( typeof selector === "string" ) {
2925 if ( selector[ 0 ] === "<" &&
2926 selector[ selector.length - 1 ] === ">" &&
2927 selector.length >= 3 ) {
2928
2929 // Assume that strings that start and end with <> are HTML and skip the regex check
2930 match = [ null, selector, null ];
2931
2932 } else {
2933 match = rquickExpr.exec( selector );
2934 }
2935
2936 // Match html or make sure no context is specified for #id
2937 if ( match && ( match[ 1 ] || !context ) ) {
2938
2939 // HANDLE: $(html) -> $(array)
2940 if ( match[ 1 ] ) {
2941 context = context instanceof jQuery ? context[ 0 ] : context;
2942
2943 // Option to run scripts is true for back-compat
2944 // Intentionally let the error be thrown if parseHTML is not present
2945 jQuery.merge( this, jQuery.parseHTML(
2946 match[ 1 ],
2947 context && context.nodeType ? context.ownerDocument || context : document,
2948 true
2949 ) );
2950
2951 // HANDLE: $(html, props)
2952 if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
2953 for ( match in context ) {
2954
2955 // Properties of context are called as methods if possible
2956 if ( isFunction( this[ match ] ) ) {
2957 this[ match ]( context[ match ] );
2958
2959 // ...and otherwise set as attributes
2960 } else {
2961 this.attr( match, context[ match ] );
2962 }
2963 }
2964 }
2965
2966 return this;
2967
2968 // HANDLE: $(#id)
2969 } else {
2970 elem = document.getElementById( match[ 2 ] );
2971
2972 if ( elem ) {
2973
2974 // Inject the element directly into the jQuery object
2975 this[ 0 ] = elem;
2976 this.length = 1;
2977 }
2978 return this;
2979 }
2980
2981 // HANDLE: $(expr, $(...))
2982 } else if ( !context || context.jquery ) {
2983 return ( context || root ).find( selector );
2984
2985 // HANDLE: $(expr, context)
2986 // (which is just equivalent to: $(context).find(expr)
2987 } else {
2988 return this.constructor( context ).find( selector );
2989 }
2990
2991 // HANDLE: $(DOMElement)
2992 } else if ( selector.nodeType ) {
2993 this[ 0 ] = selector;
2994 this.length = 1;
2995 return this;
2996
2997 // HANDLE: $(function)
2998 // Shortcut for document ready
2999 } else if ( isFunction( selector ) ) {
3000 return root.ready !== undefined ?
3001 root.ready( selector ) :
3002
3003 // Execute immediately if ready is not present
3004 selector( jQuery );
3005 }
3006
3007 return jQuery.makeArray( selector, this );
3008 };
3009
3010 // Give the init function the jQuery prototype for later instantiation
3011 init.prototype = jQuery.fn;
3012
3013 // Initialize central reference
3014 rootjQuery = jQuery( document );
3015
3016
3017 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
3018
3019 // Methods guaranteed to produce a unique set when starting from a unique set
3020 guaranteedUnique = {
3021 children: true,
3022 contents: true,
3023 next: true,
3024 prev: true
3025 };
3026
3027 jQuery.fn.extend( {
3028 has: function( target ) {
3029 var targets = jQuery( target, this ),
3030 l = targets.length;
3031
3032 return this.filter( function() {
3033 var i = 0;
3034 for ( ; i < l; i++ ) {
3035 if ( jQuery.contains( this, targets[ i ] ) ) {
3036 return true;
3037 }
3038 }
3039 } );
3040 },
3041
3042 closest: function( selectors, context ) {
3043 var cur,
3044 i = 0,
3045 l = this.length,
3046 matched = [],
3047 targets = typeof selectors !== "string" && jQuery( selectors );
3048
3049 // Positional selectors never match, since there's no _selection_ context
3050 if ( !rneedsContext.test( selectors ) ) {
3051 for ( ; i < l; i++ ) {
3052 for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
3053
3054 // Always skip document fragments
3055 if ( cur.nodeType < 11 && ( targets ?
3056 targets.index( cur ) > -1 :
3057
3058 // Don't pass non-elements to Sizzle
3059 cur.nodeType === 1 &&
3060 jQuery.find.matchesSelector( cur, selectors ) ) ) {
3061
3062 matched.push( cur );
3063 break;
3064 }
3065 }
3066 }
3067 }
3068
3069 return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
3070 },
3071
3072 // Determine the position of an element within the set
3073 index: function( elem ) {
3074
3075 // No argument, return index in parent
3076 if ( !elem ) {
3077 return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
3078 }
3079
3080 // Index in selector
3081 if ( typeof elem === "string" ) {
3082 return indexOf.call( jQuery( elem ), this[ 0 ] );
3083 }
3084
3085 // Locate the position of the desired element
3086 return indexOf.call( this,
3087
3088 // If it receives a jQuery object, the first element is used
3089 elem.jquery ? elem[ 0 ] : elem
3090 );
3091 },
3092
3093 add: function( selector, context ) {
3094 return this.pushStack(
3095 jQuery.uniqueSort(
3096 jQuery.merge( this.get(), jQuery( selector, context ) )
3097 )
3098 );
3099 },
3100
3101 addBack: function( selector ) {
3102 return this.add( selector == null ?
3103 this.prevObject : this.prevObject.filter( selector )
3104 );
3105 }
3106 } );
3107
3108 function sibling( cur, dir ) {
3109 while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
3110 return cur;
3111 }
3112
3113 jQuery.each( {
3114 parent: function( elem ) {
3115 var parent = elem.parentNode;
3116 return parent && parent.nodeType !== 11 ? parent : null;
3117 },
3118 parents: function( elem ) {
3119 return dir( elem, "parentNode" );
3120 },
3121 parentsUntil: function( elem, i, until ) {
3122 return dir( elem, "parentNode", until );
3123 },
3124 next: function( elem ) {
3125 return sibling( elem, "nextSibling" );
3126 },
3127 prev: function( elem ) {
3128 return sibling( elem, "previousSibling" );
3129 },
3130 nextAll: function( elem ) {
3131 return dir( elem, "nextSibling" );
3132 },
3133 prevAll: function( elem ) {
3134 return dir( elem, "previousSibling" );
3135 },
3136 nextUntil: function( elem, i, until ) {
3137 return dir( elem, "nextSibling", until );
3138 },
3139 prevUntil: function( elem, i, until ) {
3140 return dir( elem, "previousSibling", until );
3141 },
3142 siblings: function( elem ) {
3143 return siblings( ( elem.parentNode || {} ).firstChild, elem );
3144 },
3145 children: function( elem ) {
3146 return siblings( elem.firstChild );
3147 },
3148 contents: function( elem ) {
3149 if ( nodeName( elem, "iframe" ) ) {
3150 return elem.contentDocument;
3151 }
3152
3153 // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
3154 // Treat the template element as a regular one in browsers that
3155 // don't support it.
3156 if ( nodeName( elem, "template" ) ) {
3157 elem = elem.content || elem;
3158 }
3159
3160 return jQuery.merge( [], elem.childNodes );
3161 }
3162 }, function( name, fn ) {
3163 jQuery.fn[ name ] = function( until, selector ) {
3164 var matched = jQuery.map( this, fn, until );
3165
3166 if ( name.slice( -5 ) !== "Until" ) {
3167 selector = until;
3168 }
3169
3170 if ( selector && typeof selector === "string" ) {
3171 matched = jQuery.filter( selector, matched );
3172 }
3173
3174 if ( this.length > 1 ) {
3175
3176 // Remove duplicates
3177 if ( !guaranteedUnique[ name ] ) {
3178 jQuery.uniqueSort( matched );
3179 }
3180
3181 // Reverse order for parents* and prev-derivatives
3182 if ( rparentsprev.test( name ) ) {
3183 matched.reverse();
3184 }
3185 }
3186
3187 return this.pushStack( matched );
3188 };
3189 } );
3190 var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
3191
3192
3193
3194 // Convert String-formatted options into Object-formatted ones
3195 function createOptions( options ) {
3196 var object = {};
3197 jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
3198 object[ flag ] = true;
3199 } );
3200 return object;
3201 }
3202
3203 /*
3204 * Create a callback list using the following parameters:
3205 *
3206 * options: an optional list of space-separated options that will change how
3207 * the callback list behaves or a more traditional option object
3208 *
3209 * By default a callback list will act like an event callback list and can be
3210 * "fired" multiple times.
3211 *
3212 * Possible options:
3213 *
3214 * once: will ensure the callback list can only be fired once (like a Deferred)
3215 *
3216 * memory: will keep track of previous values and will call any callback added
3217 * after the list has been fired right away with the latest "memorized"
3218 * values (like a Deferred)
3219 *
3220 * unique: will ensure a callback can only be added once (no duplicate in the list)
3221 *
3222 * stopOnFalse: interrupt callings when a callback returns false
3223 *
3224 */
3225 jQuery.Callbacks = function( options ) {
3226
3227 // Convert options from String-formatted to Object-formatted if needed
3228 // (we check in cache first)
3229 options = typeof options === "string" ?
3230 createOptions( options ) :
3231 jQuery.extend( {}, options );
3232
3233 var // Flag to know if list is currently firing
3234 firing,
3235
3236 // Last fire value for non-forgettable lists
3237 memory,
3238
3239 // Flag to know if list was already fired
3240 fired,
3241
3242 // Flag to prevent firing
3243 locked,
3244
3245 // Actual callback list
3246 list = [],
3247
3248 // Queue of execution data for repeatable lists
3249 queue = [],
3250
3251 // Index of currently firing callback (modified by add/remove as needed)
3252 firingIndex = -1,
3253
3254 // Fire callbacks
3255 fire = function() {
3256
3257 // Enforce single-firing
3258 locked = locked || options.once;
3259
3260 // Execute callbacks for all pending executions,
3261 // respecting firingIndex overrides and runtime changes
3262 fired = firing = true;
3263 for ( ; queue.length; firingIndex = -1 ) {
3264 memory = queue.shift();
3265 while ( ++firingIndex < list.length ) {
3266
3267 // Run callback and check for early termination
3268 if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
3269 options.stopOnFalse ) {
3270
3271 // Jump to end and forget the data so .add doesn't re-fire
3272 firingIndex = list.length;
3273 memory = false;
3274 }
3275 }
3276 }
3277
3278 // Forget the data if we're done with it
3279 if ( !options.memory ) {
3280 memory = false;
3281 }
3282
3283 firing = false;
3284
3285 // Clean up if we're done firing for good
3286 if ( locked ) {
3287
3288 // Keep an empty list if we have data for future add calls
3289 if ( memory ) {
3290 list = [];
3291
3292 // Otherwise, this object is spent
3293 } else {
3294 list = "";
3295 }
3296 }
3297 },
3298
3299 // Actual Callbacks object
3300 self = {
3301
3302 // Add a callback or a collection of callbacks to the list
3303 add: function() {
3304 if ( list ) {
3305
3306 // If we have memory from a past run, we should fire after adding
3307 if ( memory && !firing ) {
3308 firingIndex = list.length - 1;
3309 queue.push( memory );
3310 }
3311
3312 ( function add( args ) {
3313 jQuery.each( args, function( _, arg ) {
3314 if ( isFunction( arg ) ) {
3315 if ( !options.unique || !self.has( arg ) ) {
3316 list.push( arg );
3317 }
3318 } else if ( arg && arg.length && toType( arg ) !== "string" ) {
3319
3320 // Inspect recursively
3321 add( arg );
3322 }
3323 } );
3324 } )( arguments );
3325
3326 if ( memory && !firing ) {
3327 fire();
3328 }
3329 }
3330 return this;
3331 },
3332
3333 // Remove a callback from the list
3334 remove: function() {
3335 jQuery.each( arguments, function( _, arg ) {
3336 var index;
3337 while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3338 list.splice( index, 1 );
3339
3340 // Handle firing indexes
3341 if ( index <= firingIndex ) {
3342 firingIndex--;
3343 }
3344 }
3345 } );
3346 return this;
3347 },
3348
3349 // Check if a given callback is in the list.
3350 // If no argument is given, return whether or not list has callbacks attached.
3351 has: function( fn ) {
3352 return fn ?
3353 jQuery.inArray( fn, list ) > -1 :
3354 list.length > 0;
3355 },
3356
3357 // Remove all callbacks from the list
3358 empty: function() {
3359 if ( list ) {
3360 list = [];
3361 }
3362 return this;
3363 },
3364
3365 // Disable .fire and .add
3366 // Abort any current/pending executions
3367 // Clear all callbacks and values
3368 disable: function() {
3369 locked = queue = [];
3370 list = memory = "";
3371 return this;
3372 },
3373 disabled: function() {
3374 return !list;
3375 },
3376
3377 // Disable .fire
3378 // Also disable .add unless we have memory (since it would have no effect)
3379 // Abort any pending executions
3380 lock: function() {
3381 locked = queue = [];
3382 if ( !memory && !firing ) {
3383 list = memory = "";
3384 }
3385 return this;
3386 },
3387 locked: function() {
3388 return !!locked;
3389 },
3390
3391 // Call all callbacks with the given context and arguments
3392 fireWith: function( context, args ) {
3393 if ( !locked ) {
3394 args = args || [];
3395 args = [ context, args.slice ? args.slice() : args ];
3396 queue.push( args );
3397 if ( !firing ) {
3398 fire();
3399 }
3400 }
3401 return this;
3402 },
3403
3404 // Call all the callbacks with the given arguments
3405 fire: function() {
3406 self.fireWith( this, arguments );
3407 return this;
3408 },
3409
3410 // To know if the callbacks have already been called at least once
3411 fired: function() {
3412 return !!fired;
3413 }
3414 };
3415
3416 return self;
3417 };
3418
3419
3420 function Identity( v ) {
3421 return v;
3422 }
3423 function Thrower( ex ) {
3424 throw ex;
3425 }
3426
3427 function adoptValue( value, resolve, reject, noValue ) {
3428 var method;
3429
3430 try {
3431
3432 // Check for promise aspect first to privilege synchronous behavior
3433 if ( value && isFunction( ( method = value.promise ) ) ) {
3434 method.call( value ).done( resolve ).fail( reject );
3435
3436 // Other thenables
3437 } else if ( value && isFunction( ( method = value.then ) ) ) {
3438 method.call( value, resolve, reject );
3439
3440 // Other non-thenables
3441 } else {
3442
3443 // Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
3444 // * false: [ value ].slice( 0 ) => resolve( value )
3445 // * true: [ value ].slice( 1 ) => resolve()
3446 resolve.apply( undefined, [ value ].slice( noValue ) );
3447 }
3448
3449 // For Promises/A+, convert exceptions into rejections
3450 // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
3451 // Deferred#then to conditionally suppress rejection.
3452 } catch ( value ) {
3453
3454 // Support: Android 4.0 only
3455 // Strict mode functions invoked without .call/.apply get global-object context
3456 reject.apply( undefined, [ value ] );
3457 }
3458 }
3459
3460 jQuery.extend( {
3461
3462 Deferred: function( func ) {
3463 var tuples = [
3464
3465 // action, add listener, callbacks,
3466 // ... .then handlers, argument index, [final state]
3467 [ "notify", "progress", jQuery.Callbacks( "memory" ),
3468 jQuery.Callbacks( "memory" ), 2 ],
3469 [ "resolve", "done", jQuery.Callbacks( "once memory" ),
3470 jQuery.Callbacks( "once memory" ), 0, "resolved" ],
3471 [ "reject", "fail", jQuery.Callbacks( "once memory" ),
3472 jQuery.Callbacks( "once memory" ), 1, "rejected" ]
3473 ],
3474 state = "pending",
3475 promise = {
3476 state: function() {
3477 return state;
3478 },
3479 always: function() {
3480 deferred.done( arguments ).fail( arguments );
3481 return this;
3482 },
3483 "catch": function( fn ) {
3484 return promise.then( null, fn );
3485 },
3486
3487 // Keep pipe for back-compat
3488 pipe: function( /* fnDone, fnFail, fnProgress */ ) {
3489 var fns = arguments;
3490
3491 return jQuery.Deferred( function( newDefer ) {
3492 jQuery.each( tuples, function( i, tuple ) {
3493
3494 // Map tuples (progress, done, fail) to arguments (done, fail, progress)
3495 var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
3496
3497 // deferred.progress(function() { bind to newDefer or newDefer.notify })
3498 // deferred.done(function() { bind to newDefer or newDefer.resolve })
3499 // deferred.fail(function() { bind to newDefer or newDefer.reject })
3500 deferred[ tuple[ 1 ] ]( function() {
3501 var returned = fn && fn.apply( this, arguments );
3502 if ( returned && isFunction( returned.promise ) ) {
3503 returned.promise()
3504 .progress( newDefer.notify )
3505 .done( newDefer.resolve )
3506 .fail( newDefer.reject );
3507 } else {
3508 newDefer[ tuple[ 0 ] + "With" ](
3509 this,
3510 fn ? [ returned ] : arguments
3511 );
3512 }
3513 } );
3514 } );
3515 fns = null;
3516 } ).promise();
3517 },
3518 then: function( onFulfilled, onRejected, onProgress ) {
3519 var maxDepth = 0;
3520 function resolve( depth, deferred, handler, special ) {
3521 return function() {
3522 var that = this,
3523 args = arguments,
3524 mightThrow = function() {
3525 var returned, then;
3526
3527 // Support: Promises/A+ section 2.3.3.3.3
3528 // https://promisesaplus.com/#point-59
3529 // Ignore double-resolution attempts
3530 if ( depth < maxDepth ) {
3531 return;
3532 }
3533
3534 returned = handler.apply( that, args );
3535
3536 // Support: Promises/A+ section 2.3.1
3537 // https://promisesaplus.com/#point-48
3538 if ( returned === deferred.promise() ) {
3539 throw new TypeError( "Thenable self-resolution" );
3540 }
3541
3542 // Support: Promises/A+ sections 2.3.3.1, 3.5
3543 // https://promisesaplus.com/#point-54
3544 // https://promisesaplus.com/#point-75
3545 // Retrieve `then` only once
3546 then = returned &&
3547
3548 // Support: Promises/A+ section 2.3.4
3549 // https://promisesaplus.com/#point-64
3550 // Only check objects and functions for thenability
3551 ( typeof returned === "object" ||
3552 typeof returned === "function" ) &&
3553 returned.then;
3554
3555 // Handle a returned thenable
3556 if ( isFunction( then ) ) {
3557
3558 // Special processors (notify) just wait for resolution
3559 if ( special ) {
3560 then.call(
3561 returned,
3562 resolve( maxDepth, deferred, Identity, special ),
3563 resolve( maxDepth, deferred, Thrower, special )
3564 );
3565
3566 // Normal processors (resolve) also hook into progress
3567 } else {
3568
3569 // ...and disregard older resolution values
3570 maxDepth++;
3571
3572 then.call(
3573 returned,
3574 resolve( maxDepth, deferred, Identity, special ),
3575 resolve( maxDepth, deferred, Thrower, special ),
3576 resolve( maxDepth, deferred, Identity,
3577 deferred.notifyWith )
3578 );
3579 }
3580
3581 // Handle all other returned values
3582 } else {
3583
3584 // Only substitute handlers pass on context
3585 // and multiple values (non-spec behavior)
3586 if ( handler !== Identity ) {
3587 that = undefined;
3588 args = [ returned ];
3589 }
3590
3591 // Process the value(s)
3592 // Default process is resolve
3593 ( special || deferred.resolveWith )( that, args );
3594 }
3595 },
3596
3597 // Only normal processors (resolve) catch and reject exceptions
3598 process = special ?
3599 mightThrow :
3600 function() {
3601 try {
3602 mightThrow();
3603 } catch ( e ) {
3604
3605 if ( jQuery.Deferred.exceptionHook ) {
3606 jQuery.Deferred.exceptionHook( e,
3607 process.stackTrace );
3608 }
3609
3610 // Support: Promises/A+ section 2.3.3.3.4.1
3611 // https://promisesaplus.com/#point-61
3612 // Ignore post-resolution exceptions
3613 if ( depth + 1 >= maxDepth ) {
3614
3615 // Only substitute handlers pass on context
3616 // and multiple values (non-spec behavior)
3617 if ( handler !== Thrower ) {
3618 that = undefined;
3619 args = [ e ];
3620 }
3621
3622 deferred.rejectWith( that, args );
3623 }
3624 }
3625 };
3626
3627 // Support: Promises/A+ section 2.3.3.3.1
3628 // https://promisesaplus.com/#point-57
3629 // Re-resolve promises immediately to dodge false rejection from
3630 // subsequent errors
3631 if ( depth ) {
3632 process();
3633 } else {
3634
3635 // Call an optional hook to record the stack, in case of exception
3636 // since it's otherwise lost when execution goes async
3637 if ( jQuery.Deferred.getStackHook ) {
3638 process.stackTrace = jQuery.Deferred.getStackHook();
3639 }
3640 window.setTimeout( process );
3641 }
3642 };
3643 }
3644
3645 return jQuery.Deferred( function( newDefer ) {
3646
3647 // progress_handlers.add( ... )
3648 tuples[ 0 ][ 3 ].add(
3649 resolve(
3650 0,
3651 newDefer,
3652 isFunction( onProgress ) ?
3653 onProgress :
3654 Identity,
3655 newDefer.notifyWith
3656 )
3657 );
3658
3659 // fulfilled_handlers.add( ... )
3660 tuples[ 1 ][ 3 ].add(
3661 resolve(
3662 0,
3663 newDefer,
3664 isFunction( onFulfilled ) ?
3665 onFulfilled :
3666 Identity
3667 )
3668 );
3669
3670 // rejected_handlers.add( ... )
3671 tuples[ 2 ][ 3 ].add(
3672 resolve(
3673 0,
3674 newDefer,
3675 isFunction( onRejected ) ?
3676 onRejected :
3677 Thrower
3678 )
3679 );
3680 } ).promise();
3681 },
3682
3683 // Get a promise for this deferred
3684 // If obj is provided, the promise aspect is added to the object
3685 promise: function( obj ) {
3686 return obj != null ? jQuery.extend( obj, promise ) : promise;
3687 }
3688 },
3689 deferred = {};
3690
3691 // Add list-specific methods
3692 jQuery.each( tuples, function( i, tuple ) {
3693 var list = tuple[ 2 ],
3694 stateString = tuple[ 5 ];
3695
3696 // promise.progress = list.add
3697 // promise.done = list.add
3698 // promise.fail = list.add
3699 promise[ tuple[ 1 ] ] = list.add;
3700
3701 // Handle state
3702 if ( stateString ) {
3703 list.add(
3704 function() {
3705
3706 // state = "resolved" (i.e., fulfilled)
3707 // state = "rejected"
3708 state = stateString;
3709 },
3710
3711 // rejected_callbacks.disable
3712 // fulfilled_callbacks.disable
3713 tuples[ 3 - i ][ 2 ].disable,
3714
3715 // rejected_handlers.disable
3716 // fulfilled_handlers.disable
3717 tuples[ 3 - i ][ 3 ].disable,
3718
3719 // progress_callbacks.lock
3720 tuples[ 0 ][ 2 ].lock,
3721
3722 // progress_handlers.lock
3723 tuples[ 0 ][ 3 ].lock
3724 );
3725 }
3726
3727 // progress_handlers.fire
3728 // fulfilled_handlers.fire
3729 // rejected_handlers.fire
3730 list.add( tuple[ 3 ].fire );
3731
3732 // deferred.notify = function() { deferred.notifyWith(...) }
3733 // deferred.resolve = function() { deferred.resolveWith(...) }
3734 // deferred.reject = function() { deferred.rejectWith(...) }
3735 deferred[ tuple[ 0 ] ] = function() {
3736 deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
3737 return this;
3738 };
3739
3740 // deferred.notifyWith = list.fireWith
3741 // deferred.resolveWith = list.fireWith
3742 // deferred.rejectWith = list.fireWith
3743 deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
3744 } );
3745
3746 // Make the deferred a promise
3747 promise.promise( deferred );
3748
3749 // Call given func if any
3750 if ( func ) {
3751 func.call( deferred, deferred );
3752 }
3753
3754 // All done!
3755 return deferred;
3756 },
3757
3758 // Deferred helper
3759 when: function( singleValue ) {
3760 var
3761
3762 // count of uncompleted subordinates
3763 remaining = arguments.length,
3764
3765 // count of unprocessed arguments
3766 i = remaining,
3767
3768 // subordinate fulfillment data
3769 resolveContexts = Array( i ),
3770 resolveValues = slice.call( arguments ),
3771
3772 // the master Deferred
3773 master = jQuery.Deferred(),
3774
3775 // subordinate callback factory
3776 updateFunc = function( i ) {
3777 return function( value ) {
3778 resolveContexts[ i ] = this;
3779 resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
3780 if ( !( --remaining ) ) {
3781 master.resolveWith( resolveContexts, resolveValues );
3782 }
3783 };
3784 };
3785
3786 // Single- and empty arguments are adopted like Promise.resolve
3787 if ( remaining <= 1 ) {
3788 adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
3789 !remaining );
3790
3791 // Use .then() to unwrap secondary thenables (cf. gh-3000)
3792 if ( master.state() === "pending" ||
3793 isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
3794
3795 return master.then();
3796 }
3797 }
3798
3799 // Multiple arguments are aggregated like Promise.all array elements
3800 while ( i-- ) {
3801 adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
3802 }
3803
3804 return master.promise();
3805 }
3806 } );
3807
3808
3809 // These usually indicate a programmer mistake during development,
3810 // warn about them ASAP rather than swallowing them by default.
3811 var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
3812
3813 jQuery.Deferred.exceptionHook = function( error, stack ) {
3814
3815 // Support: IE 8 - 9 only
3816 // Console exists when dev tools are open, which can happen at any time
3817 if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
3818 window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
3819 }
3820 };
3821
3822
3823
3824
3825 jQuery.readyException = function( error ) {
3826 window.setTimeout( function() {
3827 throw error;
3828 } );
3829 };
3830
3831
3832
3833
3834 // The deferred used on DOM ready
3835 var readyList = jQuery.Deferred();
3836
3837 jQuery.fn.ready = function( fn ) {
3838
3839 readyList
3840 .then( fn )
3841
3842 // Wrap jQuery.readyException in a function so that the lookup
3843 // happens at the time of error handling instead of callback
3844 // registration.
3845 .catch( function( error ) {
3846 jQuery.readyException( error );
3847 } );
3848
3849 return this;
3850 };
3851
3852 jQuery.extend( {
3853
3854 // Is the DOM ready to be used? Set to true once it occurs.
3855 isReady: false,
3856
3857 // A counter to track how many items to wait for before
3858 // the ready event fires. See #6781
3859 readyWait: 1,
3860
3861 // Handle when the DOM is ready
3862 ready: function( wait ) {
3863
3864 // Abort if there are pending holds or we're already ready
3865 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
3866 return;
3867 }
3868
3869 // Remember that the DOM is ready
3870 jQuery.isReady = true;
3871
3872 // If a normal DOM Ready event fired, decrement, and wait if need be
3873 if ( wait !== true && --jQuery.readyWait > 0 ) {
3874 return;
3875 }
3876
3877 // If there are functions bound, to execute
3878 readyList.resolveWith( document, [ jQuery ] );
3879 }
3880 } );
3881
3882 jQuery.ready.then = readyList.then;
3883
3884 // The ready event handler and self cleanup method
3885 function completed() {
3886 document.removeEventListener( "DOMContentLoaded", completed );
3887 window.removeEventListener( "load", completed );
3888 jQuery.ready();
3889 }
3890
3891 // Catch cases where $(document).ready() is called
3892 // after the browser event has already occurred.
3893 // Support: IE <=9 - 10 only
3894 // Older IE sometimes signals "interactive" too soon
3895 if ( document.readyState === "complete" ||
3896 ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
3897
3898 // Handle it asynchronously to allow scripts the opportunity to delay ready
3899 window.setTimeout( jQuery.ready );
3900
3901 } else {
3902
3903 // Use the handy event callback
3904 document.addEventListener( "DOMContentLoaded", completed );
3905
3906 // A fallback to window.onload, that will always work
3907 window.addEventListener( "load", completed );
3908 }
3909
3910
3911
3912
3913 // Multifunctional method to get and set values of a collection
3914 // The value/s can optionally be executed if it's a function
3915 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
3916 var i = 0,
3917 len = elems.length,
3918 bulk = key == null;
3919
3920 // Sets many values
3921 if ( toType( key ) === "object" ) {
3922 chainable = true;
3923 for ( i in key ) {
3924 access( elems, fn, i, key[ i ], true, emptyGet, raw );
3925 }
3926
3927 // Sets one value
3928 } else if ( value !== undefined ) {
3929 chainable = true;
3930
3931 if ( !isFunction( value ) ) {
3932 raw = true;
3933 }
3934
3935 if ( bulk ) {
3936
3937 // Bulk operations run against the entire set
3938 if ( raw ) {
3939 fn.call( elems, value );
3940 fn = null;
3941
3942 // ...except when executing function values
3943 } else {
3944 bulk = fn;
3945 fn = function( elem, key, value ) {
3946 return bulk.call( jQuery( elem ), value );
3947 };
3948 }
3949 }
3950
3951 if ( fn ) {
3952 for ( ; i < len; i++ ) {
3953 fn(
3954 elems[ i ], key, raw ?
3955 value :
3956 value.call( elems[ i ], i, fn( elems[ i ], key ) )
3957 );
3958 }
3959 }
3960 }
3961
3962 if ( chainable ) {
3963 return elems;
3964 }
3965
3966 // Gets
3967 if ( bulk ) {
3968 return fn.call( elems );
3969 }
3970
3971 return len ? fn( elems[ 0 ], key ) : emptyGet;
3972 };
3973
3974
3975 // Matches dashed string for camelizing
3976 var rmsPrefix = /^-ms-/,
3977 rdashAlpha = /-([a-z])/g;
3978
3979 // Used by camelCase as callback to replace()
3980 function fcamelCase( all, letter ) {
3981 return letter.toUpperCase();
3982 }
3983
3984 // Convert dashed to camelCase; used by the css and data modules
3985 // Support: IE <=9 - 11, Edge 12 - 15
3986 // Microsoft forgot to hump their vendor prefix (#9572)
3987 function camelCase( string ) {
3988 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
3989 }
3990 var acceptData = function( owner ) {
3991
3992 // Accepts only:
3993 // - Node
3994 // - Node.ELEMENT_NODE
3995 // - Node.DOCUMENT_NODE
3996 // - Object
3997 // - Any
3998 return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
3999 };
4000
4001
4002
4003
4004 function Data() {
4005 this.expando = jQuery.expando + Data.uid++;
4006 }
4007
4008 Data.uid = 1;
4009
4010 Data.prototype = {
4011
4012 cache: function( owner ) {
4013
4014 // Check if the owner object already has a cache
4015 var value = owner[ this.expando ];
4016
4017 // If not, create one
4018 if ( !value ) {
4019 value = {};
4020
4021 // We can accept data for non-element nodes in modern browsers,
4022 // but we should not, see #8335.
4023 // Always return an empty object.
4024 if ( acceptData( owner ) ) {
4025
4026 // If it is a node unlikely to be stringify-ed or looped over
4027 // use plain assignment
4028 if ( owner.nodeType ) {
4029 owner[ this.expando ] = value;
4030
4031 // Otherwise secure it in a non-enumerable property
4032 // configurable must be true to allow the property to be
4033 // deleted when data is removed
4034 } else {
4035 Object.defineProperty( owner, this.expando, {
4036 value: value,
4037 configurable: true
4038 } );
4039 }
4040 }
4041 }
4042
4043 return value;
4044 },
4045 set: function( owner, data, value ) {
4046 var prop,
4047 cache = this.cache( owner );
4048
4049 // Handle: [ owner, key, value ] args
4050 // Always use camelCase key (gh-2257)
4051 if ( typeof data === "string" ) {
4052 cache[ camelCase( data ) ] = value;
4053
4054 // Handle: [ owner, { properties } ] args
4055 } else {
4056
4057 // Copy the properties one-by-one to the cache object
4058 for ( prop in data ) {
4059 cache[ camelCase( prop ) ] = data[ prop ];
4060 }
4061 }
4062 return cache;
4063 },
4064 get: function( owner, key ) {
4065 return key === undefined ?
4066 this.cache( owner ) :
4067
4068 // Always use camelCase key (gh-2257)
4069 owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ];
4070 },
4071 access: function( owner, key, value ) {
4072
4073 // In cases where either:
4074 //
4075 // 1. No key was specified
4076 // 2. A string key was specified, but no value provided
4077 //
4078 // Take the "read" path and allow the get method to determine
4079 // which value to return, respectively either:
4080 //
4081 // 1. The entire cache object
4082 // 2. The data stored at the key
4083 //
4084 if ( key === undefined ||
4085 ( ( key && typeof key === "string" ) && value === undefined ) ) {
4086
4087 return this.get( owner, key );
4088 }
4089
4090 // When the key is not a string, or both a key and value
4091 // are specified, set or extend (existing objects) with either:
4092 //
4093 // 1. An object of properties
4094 // 2. A key and value
4095 //
4096 this.set( owner, key, value );
4097
4098 // Since the "set" path can have two possible entry points
4099 // return the expected data based on which path was taken[*]
4100 return value !== undefined ? value : key;
4101 },
4102 remove: function( owner, key ) {
4103 var i,
4104 cache = owner[ this.expando ];
4105
4106 if ( cache === undefined ) {
4107 return;
4108 }
4109
4110 if ( key !== undefined ) {
4111
4112 // Support array or space separated string of keys
4113 if ( Array.isArray( key ) ) {
4114
4115 // If key is an array of keys...
4116 // We always set camelCase keys, so remove that.
4117 key = key.map( camelCase );
4118 } else {
4119 key = camelCase( key );
4120
4121 // If a key with the spaces exists, use it.
4122 // Otherwise, create an array by matching non-whitespace
4123 key = key in cache ?
4124 [ key ] :
4125 ( key.match( rnothtmlwhite ) || [] );
4126 }
4127
4128 i = key.length;
4129
4130 while ( i-- ) {
4131 delete cache[ key[ i ] ];
4132 }
4133 }
4134
4135 // Remove the expando if there's no more data
4136 if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
4137
4138 // Support: Chrome <=35 - 45
4139 // Webkit & Blink performance suffers when deleting properties
4140 // from DOM nodes, so set to undefined instead
4141 // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
4142 if ( owner.nodeType ) {
4143 owner[ this.expando ] = undefined;
4144 } else {
4145 delete owner[ this.expando ];
4146 }
4147 }
4148 },
4149 hasData: function( owner ) {
4150 var cache = owner[ this.expando ];
4151 return cache !== undefined && !jQuery.isEmptyObject( cache );
4152 }
4153 };
4154 var dataPriv = new Data();
4155
4156 var dataUser = new Data();
4157
4158
4159
4160 // Implementation Summary
4161 //
4162 // 1. Enforce API surface and semantic compatibility with 1.9.x branch
4163 // 2. Improve the module's maintainability by reducing the storage
4164 // paths to a single mechanism.
4165 // 3. Use the same single mechanism to support "private" and "user" data.
4166 // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
4167 // 5. Avoid exposing implementation details on user objects (eg. expando properties)
4168 // 6. Provide a clear path for implementation upgrade to WeakMap in 2014
4169
4170 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
4171 rmultiDash = /[A-Z]/g;
4172
4173 function getData( data ) {
4174 if ( data === "true" ) {
4175 return true;
4176 }
4177
4178 if ( data === "false" ) {
4179 return false;
4180 }
4181
4182 if ( data === "null" ) {
4183 return null;
4184 }
4185
4186 // Only convert to a number if it doesn't change the string
4187 if ( data === +data + "" ) {
4188 return +data;
4189 }
4190
4191 if ( rbrace.test( data ) ) {
4192 return JSON.parse( data );
4193 }
4194
4195 return data;
4196 }
4197
4198 function dataAttr( elem, key, data ) {
4199 var name;
4200
4201 // If nothing was found internally, try to fetch any
4202 // data from the HTML5 data-* attribute
4203 if ( data === undefined && elem.nodeType === 1 ) {
4204 name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
4205 data = elem.getAttribute( name );
4206
4207 if ( typeof data === "string" ) {
4208 try {
4209 data = getData( data );
4210 } catch ( e ) {}
4211
4212 // Make sure we set the data so it isn't changed later
4213 dataUser.set( elem, key, data );
4214 } else {
4215 data = undefined;
4216 }
4217 }
4218 return data;
4219 }
4220
4221 jQuery.extend( {
4222 hasData: function( elem ) {
4223 return dataUser.hasData( elem ) || dataPriv.hasData( elem );
4224 },
4225
4226 data: function( elem, name, data ) {
4227 return dataUser.access( elem, name, data );
4228 },
4229
4230 removeData: function( elem, name ) {
4231 dataUser.remove( elem, name );
4232 },
4233
4234 // TODO: Now that all calls to _data and _removeData have been replaced
4235 // with direct calls to dataPriv methods, these can be deprecated.
4236 _data: function( elem, name, data ) {
4237 return dataPriv.access( elem, name, data );
4238 },
4239
4240 _removeData: function( elem, name ) {
4241 dataPriv.remove( elem, name );
4242 }
4243 } );
4244
4245 jQuery.fn.extend( {
4246 data: function( key, value ) {
4247 var i, name, data,
4248 elem = this[ 0 ],
4249 attrs = elem && elem.attributes;
4250
4251 // Gets all values
4252 if ( key === undefined ) {
4253 if ( this.length ) {
4254 data = dataUser.get( elem );
4255
4256 if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
4257 i = attrs.length;
4258 while ( i-- ) {
4259
4260 // Support: IE 11 only
4261 // The attrs elements can be null (#14894)
4262 if ( attrs[ i ] ) {
4263 name = attrs[ i ].name;
4264 if ( name.indexOf( "data-" ) === 0 ) {
4265 name = camelCase( name.slice( 5 ) );
4266 dataAttr( elem, name, data[ name ] );
4267 }
4268 }
4269 }
4270 dataPriv.set( elem, "hasDataAttrs", true );
4271 }
4272 }
4273
4274 return data;
4275 }
4276
4277 // Sets multiple values
4278 if ( typeof key === "object" ) {
4279 return this.each( function() {
4280 dataUser.set( this, key );
4281 } );
4282 }
4283
4284 return access( this, function( value ) {
4285 var data;
4286
4287 // The calling jQuery object (element matches) is not empty
4288 // (and therefore has an element appears at this[ 0 ]) and the
4289 // `value` parameter was not undefined. An empty jQuery object
4290 // will result in `undefined` for elem = this[ 0 ] which will
4291 // throw an exception if an attempt to read a data cache is made.
4292 if ( elem && value === undefined ) {
4293
4294 // Attempt to get data from the cache
4295 // The key will always be camelCased in Data
4296 data = dataUser.get( elem, key );
4297 if ( data !== undefined ) {
4298 return data;
4299 }
4300
4301 // Attempt to "discover" the data in
4302 // HTML5 custom data-* attrs
4303 data = dataAttr( elem, key );
4304 if ( data !== undefined ) {
4305 return data;
4306 }
4307
4308 // We tried really hard, but the data doesn't exist.
4309 return;
4310 }
4311
4312 // Set the data...
4313 this.each( function() {
4314
4315 // We always store the camelCased key
4316 dataUser.set( this, key, value );
4317 } );
4318 }, null, value, arguments.length > 1, null, true );
4319 },
4320
4321 removeData: function( key ) {
4322 return this.each( function() {
4323 dataUser.remove( this, key );
4324 } );
4325 }
4326 } );
4327
4328
4329 jQuery.extend( {
4330 queue: function( elem, type, data ) {
4331 var queue;
4332
4333 if ( elem ) {
4334 type = ( type || "fx" ) + "queue";
4335 queue = dataPriv.get( elem, type );
4336
4337 // Speed up dequeue by getting out quickly if this is just a lookup
4338 if ( data ) {
4339 if ( !queue || Array.isArray( data ) ) {
4340 queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
4341 } else {
4342 queue.push( data );
4343 }
4344 }
4345 return queue || [];
4346 }
4347 },
4348
4349 dequeue: function( elem, type ) {
4350 type = type || "fx";
4351
4352 var queue = jQuery.queue( elem, type ),
4353 startLength = queue.length,
4354 fn = queue.shift(),
4355 hooks = jQuery._queueHooks( elem, type ),
4356 next = function() {
4357 jQuery.dequeue( elem, type );
4358 };
4359
4360 // If the fx queue is dequeued, always remove the progress sentinel
4361 if ( fn === "inprogress" ) {
4362 fn = queue.shift();
4363 startLength--;
4364 }
4365
4366 if ( fn ) {
4367
4368 // Add a progress sentinel to prevent the fx queue from being
4369 // automatically dequeued
4370 if ( type === "fx" ) {
4371 queue.unshift( "inprogress" );
4372 }
4373
4374 // Clear up the last queue stop function
4375 delete hooks.stop;
4376 fn.call( elem, next, hooks );
4377 }
4378
4379 if ( !startLength && hooks ) {
4380 hooks.empty.fire();
4381 }
4382 },
4383
4384 // Not public - generate a queueHooks object, or return the current one
4385 _queueHooks: function( elem, type ) {
4386 var key = type + "queueHooks";
4387 return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
4388 empty: jQuery.Callbacks( "once memory" ).add( function() {
4389 dataPriv.remove( elem, [ type + "queue", key ] );
4390 } )
4391 } );
4392 }
4393 } );
4394
4395 jQuery.fn.extend( {
4396 queue: function( type, data ) {
4397 var setter = 2;
4398
4399 if ( typeof type !== "string" ) {
4400 data = type;
4401 type = "fx";
4402 setter--;
4403 }
4404
4405 if ( arguments.length < setter ) {
4406 return jQuery.queue( this[ 0 ], type );
4407 }
4408
4409 return data === undefined ?
4410 this :
4411 this.each( function() {
4412 var queue = jQuery.queue( this, type, data );
4413
4414 // Ensure a hooks for this queue
4415 jQuery._queueHooks( this, type );
4416
4417 if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
4418 jQuery.dequeue( this, type );
4419 }
4420 } );
4421 },
4422 dequeue: function( type ) {
4423 return this.each( function() {
4424 jQuery.dequeue( this, type );
4425 } );
4426 },
4427 clearQueue: function( type ) {
4428 return this.queue( type || "fx", [] );
4429 },
4430
4431 // Get a promise resolved when queues of a certain type
4432 // are emptied (fx is the type by default)
4433 promise: function( type, obj ) {
4434 var tmp,
4435 count = 1,
4436 defer = jQuery.Deferred(),
4437 elements = this,
4438 i = this.length,
4439 resolve = function() {
4440 if ( !( --count ) ) {
4441 defer.resolveWith( elements, [ elements ] );
4442 }
4443 };
4444
4445 if ( typeof type !== "string" ) {
4446 obj = type;
4447 type = undefined;
4448 }
4449 type = type || "fx";
4450
4451 while ( i-- ) {
4452 tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
4453 if ( tmp && tmp.empty ) {
4454 count++;
4455 tmp.empty.add( resolve );
4456 }
4457 }
4458 resolve();
4459 return defer.promise( obj );
4460 }
4461 } );
4462 var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
4463
4464 var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
4465
4466
4467 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
4468
4469 var isHiddenWithinTree = function( elem, el ) {
4470
4471 // isHiddenWithinTree might be called from jQuery#filter function;
4472 // in that case, element will be second argument
4473 elem = el || elem;
4474
4475 // Inline style trumps all
4476 return elem.style.display === "none" ||
4477 elem.style.display === "" &&
4478
4479 // Otherwise, check computed style
4480 // Support: Firefox <=43 - 45
4481 // Disconnected elements can have computed display: none, so first confirm that elem is
4482 // in the document.
4483 jQuery.contains( elem.ownerDocument, elem ) &&
4484
4485 jQuery.css( elem, "display" ) === "none";
4486 };
4487
4488 var swap = function( elem, options, callback, args ) {
4489 var ret, name,
4490 old = {};
4491
4492 // Remember the old values, and insert the new ones
4493 for ( name in options ) {
4494 old[ name ] = elem.style[ name ];
4495 elem.style[ name ] = options[ name ];
4496 }
4497
4498 ret = callback.apply( elem, args || [] );
4499
4500 // Revert the old values
4501 for ( name in options ) {
4502 elem.style[ name ] = old[ name ];
4503 }
4504
4505 return ret;
4506 };
4507
4508
4509
4510
4511 function adjustCSS( elem, prop, valueParts, tween ) {
4512 var adjusted, scale,
4513 maxIterations = 20,
4514 currentValue = tween ?
4515 function() {
4516 return tween.cur();
4517 } :
4518 function() {
4519 return jQuery.css( elem, prop, "" );
4520 },
4521 initial = currentValue(),
4522 unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
4523
4524 // Starting value computation is required for potential unit mismatches
4525 initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
4526 rcssNum.exec( jQuery.css( elem, prop ) );
4527
4528 if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
4529
4530 // Support: Firefox <=54
4531 // Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
4532 initial = initial / 2;
4533
4534 // Trust units reported by jQuery.css
4535 unit = unit || initialInUnit[ 3 ];
4536
4537 // Iteratively approximate from a nonzero starting point
4538 initialInUnit = +initial || 1;
4539
4540 while ( maxIterations-- ) {
4541
4542 // Evaluate and update our best guess (doubling guesses that zero out).
4543 // Finish if the scale equals or crosses 1 (making the old*new product non-positive).
4544 jQuery.style( elem, prop, initialInUnit + unit );
4545 if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) {
4546 maxIterations = 0;
4547 }
4548 initialInUnit = initialInUnit / scale;
4549
4550 }
4551
4552 initialInUnit = initialInUnit * 2;
4553 jQuery.style( elem, prop, initialInUnit + unit );
4554
4555 // Make sure we update the tween properties later on
4556 valueParts = valueParts || [];
4557 }
4558
4559 if ( valueParts ) {
4560 initialInUnit = +initialInUnit || +initial || 0;
4561
4562 // Apply relative offset (+=/-=) if specified
4563 adjusted = valueParts[ 1 ] ?
4564 initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
4565 +valueParts[ 2 ];
4566 if ( tween ) {
4567 tween.unit = unit;
4568 tween.start = initialInUnit;
4569 tween.end = adjusted;
4570 }
4571 }
4572 return adjusted;
4573 }
4574
4575
4576 var defaultDisplayMap = {};
4577
4578 function getDefaultDisplay( elem ) {
4579 var temp,
4580 doc = elem.ownerDocument,
4581 nodeName = elem.nodeName,
4582 display = defaultDisplayMap[ nodeName ];
4583
4584 if ( display ) {
4585 return display;
4586 }
4587
4588 temp = doc.body.appendChild( doc.createElement( nodeName ) );
4589 display = jQuery.css( temp, "display" );
4590
4591 temp.parentNode.removeChild( temp );
4592
4593 if ( display === "none" ) {
4594 display = "block";
4595 }
4596 defaultDisplayMap[ nodeName ] = display;
4597
4598 return display;
4599 }
4600
4601 function showHide( elements, show ) {
4602 var display, elem,
4603 values = [],
4604 index = 0,
4605 length = elements.length;
4606
4607 // Determine new display value for elements that need to change
4608 for ( ; index < length; index++ ) {
4609 elem = elements[ index ];
4610 if ( !elem.style ) {
4611 continue;
4612 }
4613
4614 display = elem.style.display;
4615 if ( show ) {
4616
4617 // Since we force visibility upon cascade-hidden elements, an immediate (and slow)
4618 // check is required in this first loop unless we have a nonempty display value (either
4619 // inline or about-to-be-restored)
4620 if ( display === "none" ) {
4621 values[ index ] = dataPriv.get( elem, "display" ) || null;
4622 if ( !values[ index ] ) {
4623 elem.style.display = "";
4624 }
4625 }
4626 if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
4627 values[ index ] = getDefaultDisplay( elem );
4628 }
4629 } else {
4630 if ( display !== "none" ) {
4631 values[ index ] = "none";
4632
4633 // Remember what we're overwriting
4634 dataPriv.set( elem, "display", display );
4635 }
4636 }
4637 }
4638
4639 // Set the display of the elements in a second loop to avoid constant reflow
4640 for ( index = 0; index < length; index++ ) {
4641 if ( values[ index ] != null ) {
4642 elements[ index ].style.display = values[ index ];
4643 }
4644 }
4645
4646 return elements;
4647 }
4648
4649 jQuery.fn.extend( {
4650 show: function() {
4651 return showHide( this, true );
4652 },
4653 hide: function() {
4654 return showHide( this );
4655 },
4656 toggle: function( state ) {
4657 if ( typeof state === "boolean" ) {
4658 return state ? this.show() : this.hide();
4659 }
4660
4661 return this.each( function() {
4662 if ( isHiddenWithinTree( this ) ) {
4663 jQuery( this ).show();
4664 } else {
4665 jQuery( this ).hide();
4666 }
4667 } );
4668 }
4669 } );
4670 var rcheckableType = ( /^(?:checkbox|radio)$/i );
4671
4672 var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
4673
4674 var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
4675
4676
4677
4678 // We have to close these tags to support XHTML (#13200)
4679 var wrapMap = {
4680
4681 // Support: IE <=9 only
4682 option: [ 1, "<select multiple='multiple'>", "</select>" ],
4683
4684 // XHTML parsers do not magically insert elements in the
4685 // same way that tag soup parsers do. So we cannot shorten
4686 // this by omitting <tbody> or other required elements.
4687 thead: [ 1, "<table>", "</table>" ],
4688 col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
4689 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
4690 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
4691
4692 _default: [ 0, "", "" ]
4693 };
4694
4695 // Support: IE <=9 only
4696 wrapMap.optgroup = wrapMap.option;
4697
4698 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
4699 wrapMap.th = wrapMap.td;
4700
4701
4702 function getAll( context, tag ) {
4703
4704 // Support: IE <=9 - 11 only
4705 // Use typeof to avoid zero-argument method invocation on host objects (#15151)
4706 var ret;
4707
4708 if ( typeof context.getElementsByTagName !== "undefined" ) {
4709 ret = context.getElementsByTagName( tag || "*" );
4710
4711 } else if ( typeof context.querySelectorAll !== "undefined" ) {
4712 ret = context.querySelectorAll( tag || "*" );
4713
4714 } else {
4715 ret = [];
4716 }
4717
4718 if ( tag === undefined || tag && nodeName( context, tag ) ) {
4719 return jQuery.merge( [ context ], ret );
4720 }
4721
4722 return ret;
4723 }
4724
4725
4726 // Mark scripts as having already been evaluated
4727 function setGlobalEval( elems, refElements ) {
4728 var i = 0,
4729 l = elems.length;
4730
4731 for ( ; i < l; i++ ) {
4732 dataPriv.set(
4733 elems[ i ],
4734 "globalEval",
4735 !refElements || dataPriv.get( refElements[ i ], "globalEval" )
4736 );
4737 }
4738 }
4739
4740
4741 var rhtml = /<|&#?\w+;/;
4742
4743 function buildFragment( elems, context, scripts, selection, ignored ) {
4744 var elem, tmp, tag, wrap, contains, j,
4745 fragment = context.createDocumentFragment(),
4746 nodes = [],
4747 i = 0,
4748 l = elems.length;
4749
4750 for ( ; i < l; i++ ) {
4751 elem = elems[ i ];
4752
4753 if ( elem || elem === 0 ) {
4754
4755 // Add nodes directly
4756 if ( toType( elem ) === "object" ) {
4757
4758 // Support: Android <=4.0 only, PhantomJS 1 only
4759 // push.apply(_, arraylike) throws on ancient WebKit
4760 jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
4761
4762 // Convert non-html into a text node
4763 } else if ( !rhtml.test( elem ) ) {
4764 nodes.push( context.createTextNode( elem ) );
4765
4766 // Convert html into DOM nodes
4767 } else {
4768 tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
4769
4770 // Deserialize a standard representation
4771 tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
4772 wrap = wrapMap[ tag ] || wrapMap._default;
4773 tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
4774
4775 // Descend through wrappers to the right content
4776 j = wrap[ 0 ];
4777 while ( j-- ) {
4778 tmp = tmp.lastChild;
4779 }
4780
4781 // Support: Android <=4.0 only, PhantomJS 1 only
4782 // push.apply(_, arraylike) throws on ancient WebKit
4783 jQuery.merge( nodes, tmp.childNodes );
4784
4785 // Remember the top-level container
4786 tmp = fragment.firstChild;
4787
4788 // Ensure the created nodes are orphaned (#12392)
4789 tmp.textContent = "";
4790 }
4791 }
4792 }
4793
4794 // Remove wrapper from fragment
4795 fragment.textContent = "";
4796
4797 i = 0;
4798 while ( ( elem = nodes[ i++ ] ) ) {
4799
4800 // Skip elements already in the context collection (trac-4087)
4801 if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
4802 if ( ignored ) {
4803 ignored.push( elem );
4804 }
4805 continue;
4806 }
4807
4808 contains = jQuery.contains( elem.ownerDocument, elem );
4809
4810 // Append to fragment
4811 tmp = getAll( fragment.appendChild( elem ), "script" );
4812
4813 // Preserve script evaluation history
4814 if ( contains ) {
4815 setGlobalEval( tmp );
4816 }
4817
4818 // Capture executables
4819 if ( scripts ) {
4820 j = 0;
4821 while ( ( elem = tmp[ j++ ] ) ) {
4822 if ( rscriptType.test( elem.type || "" ) ) {
4823 scripts.push( elem );
4824 }
4825 }
4826 }
4827 }
4828
4829 return fragment;
4830 }
4831
4832
4833 ( function() {
4834 var fragment = document.createDocumentFragment(),
4835 div = fragment.appendChild( document.createElement( "div" ) ),
4836 input = document.createElement( "input" );
4837
4838 // Support: Android 4.0 - 4.3 only
4839 // Check state lost if the name is set (#11217)
4840 // Support: Windows Web Apps (WWA)
4841 // `name` and `type` must use .setAttribute for WWA (#14901)
4842 input.setAttribute( "type", "radio" );
4843 input.setAttribute( "checked", "checked" );
4844 input.setAttribute( "name", "t" );
4845
4846 div.appendChild( input );
4847
4848 // Support: Android <=4.1 only
4849 // Older WebKit doesn't clone checked state correctly in fragments
4850 support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
4851
4852 // Support: IE <=11 only
4853 // Make sure textarea (and checkbox) defaultValue is properly cloned
4854 div.innerHTML = "<textarea>x</textarea>";
4855 support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
4856 } )();
4857 var documentElement = document.documentElement;
4858
4859
4860
4861 var
4862 rkeyEvent = /^key/,
4863 rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
4864 rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
4865
4866 function returnTrue() {
4867 return true;
4868 }
4869
4870 function returnFalse() {
4871 return false;
4872 }
4873
4874 // Support: IE <=9 only
4875 // See #13393 for more info
4876 function safeActiveElement() {
4877 try {
4878 return document.activeElement;
4879 } catch ( err ) { }
4880 }
4881
4882 function on( elem, types, selector, data, fn, one ) {
4883 var origFn, type;
4884
4885 // Types can be a map of types/handlers
4886 if ( typeof types === "object" ) {
4887
4888 // ( types-Object, selector, data )
4889 if ( typeof selector !== "string" ) {
4890
4891 // ( types-Object, data )
4892 data = data || selector;
4893 selector = undefined;
4894 }
4895 for ( type in types ) {
4896 on( elem, type, selector, data, types[ type ], one );
4897 }
4898 return elem;
4899 }
4900
4901 if ( data == null && fn == null ) {
4902
4903 // ( types, fn )
4904 fn = selector;
4905 data = selector = undefined;
4906 } else if ( fn == null ) {
4907 if ( typeof selector === "string" ) {
4908
4909 // ( types, selector, fn )
4910 fn = data;
4911 data = undefined;
4912 } else {
4913
4914 // ( types, data, fn )
4915 fn = data;
4916 data = selector;
4917 selector = undefined;
4918 }
4919 }
4920 if ( fn === false ) {
4921 fn = returnFalse;
4922 } else if ( !fn ) {
4923 return elem;
4924 }
4925
4926 if ( one === 1 ) {
4927 origFn = fn;
4928 fn = function( event ) {
4929
4930 // Can use an empty set, since event contains the info
4931 jQuery().off( event );
4932 return origFn.apply( this, arguments );
4933 };
4934
4935 // Use same guid so caller can remove using origFn
4936 fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
4937 }
4938 return elem.each( function() {
4939 jQuery.event.add( this, types, fn, data, selector );
4940 } );
4941 }
4942
4943 /*
4944 * Helper functions for managing events -- not part of the public interface.
4945 * Props to Dean Edwards' addEvent library for many of the ideas.
4946 */
4947 jQuery.event = {
4948
4949 global: {},
4950
4951 add: function( elem, types, handler, data, selector ) {
4952
4953 var handleObjIn, eventHandle, tmp,
4954 events, t, handleObj,
4955 special, handlers, type, namespaces, origType,
4956 elemData = dataPriv.get( elem );
4957
4958 // Don't attach events to noData or text/comment nodes (but allow plain objects)
4959 if ( !elemData ) {
4960 return;
4961 }
4962
4963 // Caller can pass in an object of custom data in lieu of the handler
4964 if ( handler.handler ) {
4965 handleObjIn = handler;
4966 handler = handleObjIn.handler;
4967 selector = handleObjIn.selector;
4968 }
4969
4970 // Ensure that invalid selectors throw exceptions at attach time
4971 // Evaluate against documentElement in case elem is a non-element node (e.g., document)
4972 if ( selector ) {
4973 jQuery.find.matchesSelector( documentElement, selector );
4974 }
4975
4976 // Make sure that the handler has a unique ID, used to find/remove it later
4977 if ( !handler.guid ) {
4978 handler.guid = jQuery.guid++;
4979 }
4980
4981 // Init the element's event structure and main handler, if this is the first
4982 if ( !( events = elemData.events ) ) {
4983 events = elemData.events = {};
4984 }
4985 if ( !( eventHandle = elemData.handle ) ) {
4986 eventHandle = elemData.handle = function( e ) {
4987
4988 // Discard the second event of a jQuery.event.trigger() and
4989 // when an event is called after a page has unloaded
4990 return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
4991 jQuery.event.dispatch.apply( elem, arguments ) : undefined;
4992 };
4993 }
4994
4995 // Handle multiple events separated by a space
4996 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
4997 t = types.length;
4998 while ( t-- ) {
4999 tmp = rtypenamespace.exec( types[ t ] ) || [];
5000 type = origType = tmp[ 1 ];
5001 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5002
5003 // There *must* be a type, no attaching namespace-only handlers
5004 if ( !type ) {
5005 continue;
5006 }
5007
5008 // If event changes its type, use the special event handlers for the changed type
5009 special = jQuery.event.special[ type ] || {};
5010
5011 // If selector defined, determine special event api type, otherwise given type
5012 type = ( selector ? special.delegateType : special.bindType ) || type;
5013
5014 // Update special based on newly reset type
5015 special = jQuery.event.special[ type ] || {};
5016
5017 // handleObj is passed to all event handlers
5018 handleObj = jQuery.extend( {
5019 type: type,
5020 origType: origType,
5021 data: data,
5022 handler: handler,
5023 guid: handler.guid,
5024 selector: selector,
5025 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
5026 namespace: namespaces.join( "." )
5027 }, handleObjIn );
5028
5029 // Init the event handler queue if we're the first
5030 if ( !( handlers = events[ type ] ) ) {
5031 handlers = events[ type ] = [];
5032 handlers.delegateCount = 0;
5033
5034 // Only use addEventListener if the special events handler returns false
5035 if ( !special.setup ||
5036 special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
5037
5038 if ( elem.addEventListener ) {
5039 elem.addEventListener( type, eventHandle );
5040 }
5041 }
5042 }
5043
5044 if ( special.add ) {
5045 special.add.call( elem, handleObj );
5046
5047 if ( !handleObj.handler.guid ) {
5048 handleObj.handler.guid = handler.guid;
5049 }
5050 }
5051
5052 // Add to the element's handler list, delegates in front
5053 if ( selector ) {
5054 handlers.splice( handlers.delegateCount++, 0, handleObj );
5055 } else {
5056 handlers.push( handleObj );
5057 }
5058
5059 // Keep track of which events have ever been used, for event optimization
5060 jQuery.event.global[ type ] = true;
5061 }
5062
5063 },
5064
5065 // Detach an event or set of events from an element
5066 remove: function( elem, types, handler, selector, mappedTypes ) {
5067
5068 var j, origCount, tmp,
5069 events, t, handleObj,
5070 special, handlers, type, namespaces, origType,
5071 elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
5072
5073 if ( !elemData || !( events = elemData.events ) ) {
5074 return;
5075 }
5076
5077 // Once for each type.namespace in types; type may be omitted
5078 types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
5079 t = types.length;
5080 while ( t-- ) {
5081 tmp = rtypenamespace.exec( types[ t ] ) || [];
5082 type = origType = tmp[ 1 ];
5083 namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
5084
5085 // Unbind all events (on this namespace, if provided) for the element
5086 if ( !type ) {
5087 for ( type in events ) {
5088 jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
5089 }
5090 continue;
5091 }
5092
5093 special = jQuery.event.special[ type ] || {};
5094 type = ( selector ? special.delegateType : special.bindType ) || type;
5095 handlers = events[ type ] || [];
5096 tmp = tmp[ 2 ] &&
5097 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
5098
5099 // Remove matching events
5100 origCount = j = handlers.length;
5101 while ( j-- ) {
5102 handleObj = handlers[ j ];
5103
5104 if ( ( mappedTypes || origType === handleObj.origType ) &&
5105 ( !handler || handler.guid === handleObj.guid ) &&
5106 ( !tmp || tmp.test( handleObj.namespace ) ) &&
5107 ( !selector || selector === handleObj.selector ||
5108 selector === "**" && handleObj.selector ) ) {
5109 handlers.splice( j, 1 );
5110
5111 if ( handleObj.selector ) {
5112 handlers.delegateCount--;
5113 }
5114 if ( special.remove ) {
5115 special.remove.call( elem, handleObj );
5116 }
5117 }
5118 }
5119
5120 // Remove generic event handler if we removed something and no more handlers exist
5121 // (avoids potential for endless recursion during removal of special event handlers)
5122 if ( origCount && !handlers.length ) {
5123 if ( !special.teardown ||
5124 special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
5125
5126 jQuery.removeEvent( elem, type, elemData.handle );
5127 }
5128
5129 delete events[ type ];
5130 }
5131 }
5132
5133 // Remove data and the expando if it's no longer used
5134 if ( jQuery.isEmptyObject( events ) ) {
5135 dataPriv.remove( elem, "handle events" );
5136 }
5137 },
5138
5139 dispatch: function( nativeEvent ) {
5140
5141 // Make a writable jQuery.Event from the native event object
5142 var event = jQuery.event.fix( nativeEvent );
5143
5144 var i, j, ret, matched, handleObj, handlerQueue,
5145 args = new Array( arguments.length ),
5146 handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
5147 special = jQuery.event.special[ event.type ] || {};
5148
5149 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5150 args[ 0 ] = event;
5151
5152 for ( i = 1; i < arguments.length; i++ ) {
5153 args[ i ] = arguments[ i ];
5154 }
5155
5156 event.delegateTarget = this;
5157
5158 // Call the preDispatch hook for the mapped type, and let it bail if desired
5159 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5160 return;
5161 }
5162
5163 // Determine handlers
5164 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5165
5166 // Run delegates first; they may want to stop propagation beneath us
5167 i = 0;
5168 while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
5169 event.currentTarget = matched.elem;
5170
5171 j = 0;
5172 while ( ( handleObj = matched.handlers[ j++ ] ) &&
5173 !event.isImmediatePropagationStopped() ) {
5174
5175 // Triggered event must either 1) have no namespace, or 2) have namespace(s)
5176 // a subset or equal to those in the bound event (both can have no namespace).
5177 if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
5178
5179 event.handleObj = handleObj;
5180 event.data = handleObj.data;
5181
5182 ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
5183 handleObj.handler ).apply( matched.elem, args );
5184
5185 if ( ret !== undefined ) {
5186 if ( ( event.result = ret ) === false ) {
5187 event.preventDefault();
5188 event.stopPropagation();
5189 }
5190 }
5191 }
5192 }
5193 }
5194
5195 // Call the postDispatch hook for the mapped type
5196 if ( special.postDispatch ) {
5197 special.postDispatch.call( this, event );
5198 }
5199
5200 return event.result;
5201 },
5202
5203 handlers: function( event, handlers ) {
5204 var i, handleObj, sel, matchedHandlers, matchedSelectors,
5205 handlerQueue = [],
5206 delegateCount = handlers.delegateCount,
5207 cur = event.target;
5208
5209 // Find delegate handlers
5210 if ( delegateCount &&
5211
5212 // Support: IE <=9
5213 // Black-hole SVG <use> instance trees (trac-13180)
5214 cur.nodeType &&
5215
5216 // Support: Firefox <=42
5217 // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
5218 // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
5219 // Support: IE 11 only
5220 // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
5221 !( event.type === "click" && event.button >= 1 ) ) {
5222
5223 for ( ; cur !== this; cur = cur.parentNode || this ) {
5224
5225 // Don't check non-elements (#13208)
5226 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5227 if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
5228 matchedHandlers = [];
5229 matchedSelectors = {};
5230 for ( i = 0; i < delegateCount; i++ ) {
5231 handleObj = handlers[ i ];
5232
5233 // Don't conflict with Object.prototype properties (#13203)
5234 sel = handleObj.selector + " ";
5235
5236 if ( matchedSelectors[ sel ] === undefined ) {
5237 matchedSelectors[ sel ] = handleObj.needsContext ?
5238 jQuery( sel, this ).index( cur ) > -1 :
5239 jQuery.find( sel, this, null, [ cur ] ).length;
5240 }
5241 if ( matchedSelectors[ sel ] ) {
5242 matchedHandlers.push( handleObj );
5243 }
5244 }
5245 if ( matchedHandlers.length ) {
5246 handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
5247 }
5248 }
5249 }
5250 }
5251
5252 // Add the remaining (directly-bound) handlers
5253 cur = this;
5254 if ( delegateCount < handlers.length ) {
5255 handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
5256 }
5257
5258 return handlerQueue;
5259 },
5260
5261 addProp: function( name, hook ) {
5262 Object.defineProperty( jQuery.Event.prototype, name, {
5263 enumerable: true,
5264 configurable: true,
5265
5266 get: isFunction( hook ) ?
5267 function() {
5268 if ( this.originalEvent ) {
5269 return hook( this.originalEvent );
5270 }
5271 } :
5272 function() {
5273 if ( this.originalEvent ) {
5274 return this.originalEvent[ name ];
5275 }
5276 },
5277
5278 set: function( value ) {
5279 Object.defineProperty( this, name, {
5280 enumerable: true,
5281 configurable: true,
5282 writable: true,
5283 value: value
5284 } );
5285 }
5286 } );
5287 },
5288
5289 fix: function( originalEvent ) {
5290 return originalEvent[ jQuery.expando ] ?
5291 originalEvent :
5292 new jQuery.Event( originalEvent );
5293 },
5294
5295 special: {
5296 load: {
5297
5298 // Prevent triggered image.load events from bubbling to window.load
5299 noBubble: true
5300 },
5301 focus: {
5302
5303 // Fire native event if possible so blur/focus sequence is correct
5304 trigger: function() {
5305 if ( this !== safeActiveElement() && this.focus ) {
5306 this.focus();
5307 return false;
5308 }
5309 },
5310 delegateType: "focusin"
5311 },
5312 blur: {
5313 trigger: function() {
5314 if ( this === safeActiveElement() && this.blur ) {
5315 this.blur();
5316 return false;
5317 }
5318 },
5319 delegateType: "focusout"
5320 },
5321 click: {
5322
5323 // For checkbox, fire native event so checked state will be right
5324 trigger: function() {
5325 if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) {
5326 this.click();
5327 return false;
5328 }
5329 },
5330
5331 // For cross-browser consistency, don't fire native .click() on links
5332 _default: function( event ) {
5333 return nodeName( event.target, "a" );
5334 }
5335 },
5336
5337 beforeunload: {
5338 postDispatch: function( event ) {
5339
5340 // Support: Firefox 20+
5341 // Firefox doesn't alert if the returnValue field is not set.
5342 if ( event.result !== undefined && event.originalEvent ) {
5343 event.originalEvent.returnValue = event.result;
5344 }
5345 }
5346 }
5347 }
5348 };
5349
5350 jQuery.removeEvent = function( elem, type, handle ) {
5351
5352 // This "if" is needed for plain objects
5353 if ( elem.removeEventListener ) {
5354 elem.removeEventListener( type, handle );
5355 }
5356 };
5357
5358 jQuery.Event = function( src, props ) {
5359
5360 // Allow instantiation without the 'new' keyword
5361 if ( !( this instanceof jQuery.Event ) ) {
5362 return new jQuery.Event( src, props );
5363 }
5364
5365 // Event object
5366 if ( src && src.type ) {
5367 this.originalEvent = src;
5368 this.type = src.type;
5369
5370 // Events bubbling up the document may have been marked as prevented
5371 // by a handler lower down the tree; reflect the correct value.
5372 this.isDefaultPrevented = src.defaultPrevented ||
5373 src.defaultPrevented === undefined &&
5374
5375 // Support: Android <=2.3 only
5376 src.returnValue === false ?
5377 returnTrue :
5378 returnFalse;
5379
5380 // Create target properties
5381 // Support: Safari <=6 - 7 only
5382 // Target should not be a text node (#504, #13143)
5383 this.target = ( src.target && src.target.nodeType === 3 ) ?
5384 src.target.parentNode :
5385 src.target;
5386
5387 this.currentTarget = src.currentTarget;
5388 this.relatedTarget = src.relatedTarget;
5389
5390 // Event type
5391 } else {
5392 this.type = src;
5393 }
5394
5395 // Put explicitly provided properties onto the event object
5396 if ( props ) {
5397 jQuery.extend( this, props );
5398 }
5399
5400 // Create a timestamp if incoming event doesn't have one
5401 this.timeStamp = src && src.timeStamp || Date.now();
5402
5403 // Mark it as fixed
5404 this[ jQuery.expando ] = true;
5405 };
5406
5407 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5408 // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5409 jQuery.Event.prototype = {
5410 constructor: jQuery.Event,
5411 isDefaultPrevented: returnFalse,
5412 isPropagationStopped: returnFalse,
5413 isImmediatePropagationStopped: returnFalse,
5414 isSimulated: false,
5415
5416 preventDefault: function() {
5417 var e = this.originalEvent;
5418
5419 this.isDefaultPrevented = returnTrue;
5420
5421 if ( e && !this.isSimulated ) {
5422 e.preventDefault();
5423 }
5424 },
5425 stopPropagation: function() {
5426 var e = this.originalEvent;
5427
5428 this.isPropagationStopped = returnTrue;
5429
5430 if ( e && !this.isSimulated ) {
5431 e.stopPropagation();
5432 }
5433 },
5434 stopImmediatePropagation: function() {
5435 var e = this.originalEvent;
5436
5437 this.isImmediatePropagationStopped = returnTrue;
5438
5439 if ( e && !this.isSimulated ) {
5440 e.stopImmediatePropagation();
5441 }
5442
5443 this.stopPropagation();
5444 }
5445 };
5446
5447 // Includes all common event props including KeyEvent and MouseEvent specific props
5448 jQuery.each( {
5449 altKey: true,
5450 bubbles: true,
5451 cancelable: true,
5452 changedTouches: true,
5453 ctrlKey: true,
5454 detail: true,
5455 eventPhase: true,
5456 metaKey: true,
5457 pageX: true,
5458 pageY: true,
5459 shiftKey: true,
5460 view: true,
5461 "char": true,
5462 charCode: true,
5463 key: true,
5464 keyCode: true,
5465 button: true,
5466 buttons: true,
5467 clientX: true,
5468 clientY: true,
5469 offsetX: true,
5470 offsetY: true,
5471 pointerId: true,
5472 pointerType: true,
5473 screenX: true,
5474 screenY: true,
5475 targetTouches: true,
5476 toElement: true,
5477 touches: true,
5478
5479 which: function( event ) {
5480 var button = event.button;
5481
5482 // Add which for key events
5483 if ( event.which == null && rkeyEvent.test( event.type ) ) {
5484 return event.charCode != null ? event.charCode : event.keyCode;
5485 }
5486
5487 // Add which for click: 1 === left; 2 === middle; 3 === right
5488 if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
5489 if ( button & 1 ) {
5490 return 1;
5491 }
5492
5493 if ( button & 2 ) {
5494 return 3;
5495 }
5496
5497 if ( button & 4 ) {
5498 return 2;
5499 }
5500
5501 return 0;
5502 }
5503
5504 return event.which;
5505 }
5506 }, jQuery.event.addProp );
5507
5508 // Create mouseenter/leave events using mouseover/out and event-time checks
5509 // so that event delegation works in jQuery.
5510 // Do the same for pointerenter/pointerleave and pointerover/pointerout
5511 //
5512 // Support: Safari 7 only
5513 // Safari sends mouseenter too often; see:
5514 // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
5515 // for the description of the bug (it existed in older Chrome versions as well).
5516 jQuery.each( {
5517 mouseenter: "mouseover",
5518 mouseleave: "mouseout",
5519 pointerenter: "pointerover",
5520 pointerleave: "pointerout"
5521 }, function( orig, fix ) {
5522 jQuery.event.special[ orig ] = {
5523 delegateType: fix,
5524 bindType: fix,
5525
5526 handle: function( event ) {
5527 var ret,
5528 target = this,
5529 related = event.relatedTarget,
5530 handleObj = event.handleObj;
5531
5532 // For mouseenter/leave call the handler if related is outside the target.
5533 // NB: No relatedTarget if the mouse left/entered the browser window
5534 if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
5535 event.type = handleObj.origType;
5536 ret = handleObj.handler.apply( this, arguments );
5537 event.type = fix;
5538 }
5539 return ret;
5540 }
5541 };
5542 } );
5543
5544 jQuery.fn.extend( {
5545
5546 on: function( types, selector, data, fn ) {
5547 return on( this, types, selector, data, fn );
5548 },
5549 one: function( types, selector, data, fn ) {
5550 return on( this, types, selector, data, fn, 1 );
5551 },
5552 off: function( types, selector, fn ) {
5553 var handleObj, type;
5554 if ( types && types.preventDefault && types.handleObj ) {
5555
5556 // ( event ) dispatched jQuery.Event
5557 handleObj = types.handleObj;
5558 jQuery( types.delegateTarget ).off(
5559 handleObj.namespace ?
5560 handleObj.origType + "." + handleObj.namespace :
5561 handleObj.origType,
5562 handleObj.selector,
5563 handleObj.handler
5564 );
5565 return this;
5566 }
5567 if ( typeof types === "object" ) {
5568
5569 // ( types-object [, selector] )
5570 for ( type in types ) {
5571 this.off( type, selector, types[ type ] );
5572 }
5573 return this;
5574 }
5575 if ( selector === false || typeof selector === "function" ) {
5576
5577 // ( types [, fn] )
5578 fn = selector;
5579 selector = undefined;
5580 }
5581 if ( fn === false ) {
5582 fn = returnFalse;
5583 }
5584 return this.each( function() {
5585 jQuery.event.remove( this, types, fn, selector );
5586 } );
5587 }
5588 } );
5589
5590
5591 var
5592
5593 /* eslint-disable max-len */
5594
5595 // See https://github.com/eslint/eslint/issues/3229
5596 rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
5597
5598 /* eslint-enable */
5599
5600 // Support: IE <=10 - 11, Edge 12 - 13 only
5601 // In IE/Edge using regex groups here causes severe slowdowns.
5602 // See https://connect.microsoft.com/IE/feedback/details/1736512/
5603 rnoInnerhtml = /<script|<style|<link/i,
5604
5605 // checked="checked" or checked
5606 rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
5607 rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
5608
5609 // Prefer a tbody over its parent table for containing new rows
5610 function manipulationTarget( elem, content ) {
5611 if ( nodeName( elem, "table" ) &&
5612 nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
5613
5614 return jQuery( elem ).children( "tbody" )[ 0 ] || elem;
5615 }
5616
5617 return elem;
5618 }
5619
5620 // Replace/restore the type attribute of script elements for safe DOM manipulation
5621 function disableScript( elem ) {
5622 elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
5623 return elem;
5624 }
5625 function restoreScript( elem ) {
5626 if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) {
5627 elem.type = elem.type.slice( 5 );
5628 } else {
5629 elem.removeAttribute( "type" );
5630 }
5631
5632 return elem;
5633 }
5634
5635 function cloneCopyEvent( src, dest ) {
5636 var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
5637
5638 if ( dest.nodeType !== 1 ) {
5639 return;
5640 }
5641
5642 // 1. Copy private data: events, handlers, etc.
5643 if ( dataPriv.hasData( src ) ) {
5644 pdataOld = dataPriv.access( src );
5645 pdataCur = dataPriv.set( dest, pdataOld );
5646 events = pdataOld.events;
5647
5648 if ( events ) {
5649 delete pdataCur.handle;
5650 pdataCur.events = {};
5651
5652 for ( type in events ) {
5653 for ( i = 0, l = events[ type ].length; i < l; i++ ) {
5654 jQuery.event.add( dest, type, events[ type ][ i ] );
5655 }
5656 }
5657 }
5658 }
5659
5660 // 2. Copy user data
5661 if ( dataUser.hasData( src ) ) {
5662 udataOld = dataUser.access( src );
5663 udataCur = jQuery.extend( {}, udataOld );
5664
5665 dataUser.set( dest, udataCur );
5666 }
5667 }
5668
5669 // Fix IE bugs, see support tests
5670 function fixInput( src, dest ) {
5671 var nodeName = dest.nodeName.toLowerCase();
5672
5673 // Fails to persist the checked state of a cloned checkbox or radio button.
5674 if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
5675 dest.checked = src.checked;
5676
5677 // Fails to return the selected option to the default selected state when cloning options
5678 } else if ( nodeName === "input" || nodeName === "textarea" ) {
5679 dest.defaultValue = src.defaultValue;
5680 }
5681 }
5682
5683 function domManip( collection, args, callback, ignored ) {
5684
5685 // Flatten any nested arrays
5686 args = concat.apply( [], args );
5687
5688 var fragment, first, scripts, hasScripts, node, doc,
5689 i = 0,
5690 l = collection.length,
5691 iNoClone = l - 1,
5692 value = args[ 0 ],
5693 valueIsFunction = isFunction( value );
5694
5695 // We can't cloneNode fragments that contain checked, in WebKit
5696 if ( valueIsFunction ||
5697 ( l > 1 && typeof value === "string" &&
5698 !support.checkClone && rchecked.test( value ) ) ) {
5699 return collection.each( function( index ) {
5700 var self = collection.eq( index );
5701 if ( valueIsFunction ) {
5702 args[ 0 ] = value.call( this, index, self.html() );
5703 }
5704 domManip( self, args, callback, ignored );
5705 } );
5706 }
5707
5708 if ( l ) {
5709 fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
5710 first = fragment.firstChild;
5711
5712 if ( fragment.childNodes.length === 1 ) {
5713 fragment = first;
5714 }
5715
5716 // Require either new content or an interest in ignored elements to invoke the callback
5717 if ( first || ignored ) {
5718 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
5719 hasScripts = scripts.length;
5720
5721 // Use the original fragment for the last item
5722 // instead of the first because it can end up
5723 // being emptied incorrectly in certain situations (#8070).
5724 for ( ; i < l; i++ ) {
5725 node = fragment;
5726
5727 if ( i !== iNoClone ) {
5728 node = jQuery.clone( node, true, true );
5729
5730 // Keep references to cloned scripts for later restoration
5731 if ( hasScripts ) {
5732
5733 // Support: Android <=4.0 only, PhantomJS 1 only
5734 // push.apply(_, arraylike) throws on ancient WebKit
5735 jQuery.merge( scripts, getAll( node, "script" ) );
5736 }
5737 }
5738
5739 callback.call( collection[ i ], node, i );
5740 }
5741
5742 if ( hasScripts ) {
5743 doc = scripts[ scripts.length - 1 ].ownerDocument;
5744
5745 // Reenable scripts
5746 jQuery.map( scripts, restoreScript );
5747
5748 // Evaluate executable scripts on first document insertion
5749 for ( i = 0; i < hasScripts; i++ ) {
5750 node = scripts[ i ];
5751 if ( rscriptType.test( node.type || "" ) &&
5752 !dataPriv.access( node, "globalEval" ) &&
5753 jQuery.contains( doc, node ) ) {
5754
5755 if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) {
5756
5757 // Optional AJAX dependency, but won't run scripts if not present
5758 if ( jQuery._evalUrl ) {
5759 jQuery._evalUrl( node.src );
5760 }
5761 } else {
5762 DOMEval( node.textContent.replace( rcleanScript, "" ), doc, node );
5763 }
5764 }
5765 }
5766 }
5767 }
5768 }
5769
5770 return collection;
5771 }
5772
5773 function remove( elem, selector, keepData ) {
5774 var node,
5775 nodes = selector ? jQuery.filter( selector, elem ) : elem,
5776 i = 0;
5777
5778 for ( ; ( node = nodes[ i ] ) != null; i++ ) {
5779 if ( !keepData && node.nodeType === 1 ) {
5780 jQuery.cleanData( getAll( node ) );
5781 }
5782
5783 if ( node.parentNode ) {
5784 if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
5785 setGlobalEval( getAll( node, "script" ) );
5786 }
5787 node.parentNode.removeChild( node );
5788 }
5789 }
5790
5791 return elem;
5792 }
5793
5794 jQuery.extend( {
5795 htmlPrefilter: function( html ) {
5796 return html.replace( rxhtmlTag, "<$1></$2>" );
5797 },
5798
5799 clone: function( elem, dataAndEvents, deepDataAndEvents ) {
5800 var i, l, srcElements, destElements,
5801 clone = elem.cloneNode( true ),
5802 inPage = jQuery.contains( elem.ownerDocument, elem );
5803
5804 // Fix IE cloning issues
5805 if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
5806 !jQuery.isXMLDoc( elem ) ) {
5807
5808 // We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
5809 destElements = getAll( clone );
5810 srcElements = getAll( elem );
5811
5812 for ( i = 0, l = srcElements.length; i < l; i++ ) {
5813 fixInput( srcElements[ i ], destElements[ i ] );
5814 }
5815 }
5816
5817 // Copy the events from the original to the clone
5818 if ( dataAndEvents ) {
5819 if ( deepDataAndEvents ) {
5820 srcElements = srcElements || getAll( elem );
5821 destElements = destElements || getAll( clone );
5822
5823 for ( i = 0, l = srcElements.length; i < l; i++ ) {
5824 cloneCopyEvent( srcElements[ i ], destElements[ i ] );
5825 }
5826 } else {
5827 cloneCopyEvent( elem, clone );
5828 }
5829 }
5830
5831 // Preserve script evaluation history
5832 destElements = getAll( clone, "script" );
5833 if ( destElements.length > 0 ) {
5834 setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
5835 }
5836
5837 // Return the cloned set
5838 return clone;
5839 },
5840
5841 cleanData: function( elems ) {
5842 var data, elem, type,
5843 special = jQuery.event.special,
5844 i = 0;
5845
5846 for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
5847 if ( acceptData( elem ) ) {
5848 if ( ( data = elem[ dataPriv.expando ] ) ) {
5849 if ( data.events ) {
5850 for ( type in data.events ) {
5851 if ( special[ type ] ) {
5852 jQuery.event.remove( elem, type );
5853
5854 // This is a shortcut to avoid jQuery.event.remove's overhead
5855 } else {
5856 jQuery.removeEvent( elem, type, data.handle );
5857 }
5858 }
5859 }
5860
5861 // Support: Chrome <=35 - 45+
5862 // Assign undefined instead of using delete, see Data#remove
5863 elem[ dataPriv.expando ] = undefined;
5864 }
5865 if ( elem[ dataUser.expando ] ) {
5866
5867 // Support: Chrome <=35 - 45+
5868 // Assign undefined instead of using delete, see Data#remove
5869 elem[ dataUser.expando ] = undefined;
5870 }
5871 }
5872 }
5873 }
5874 } );
5875
5876 jQuery.fn.extend( {
5877 detach: function( selector ) {
5878 return remove( this, selector, true );
5879 },
5880
5881 remove: function( selector ) {
5882 return remove( this, selector );
5883 },
5884
5885 text: function( value ) {
5886 return access( this, function( value ) {
5887 return value === undefined ?
5888 jQuery.text( this ) :
5889 this.empty().each( function() {
5890 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5891 this.textContent = value;
5892 }
5893 } );
5894 }, null, value, arguments.length );
5895 },
5896
5897 append: function() {
5898 return domManip( this, arguments, function( elem ) {
5899 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5900 var target = manipulationTarget( this, elem );
5901 target.appendChild( elem );
5902 }
5903 } );
5904 },
5905
5906 prepend: function() {
5907 return domManip( this, arguments, function( elem ) {
5908 if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
5909 var target = manipulationTarget( this, elem );
5910 target.insertBefore( elem, target.firstChild );
5911 }
5912 } );
5913 },
5914
5915 before: function() {
5916 return domManip( this, arguments, function( elem ) {
5917 if ( this.parentNode ) {
5918 this.parentNode.insertBefore( elem, this );
5919 }
5920 } );
5921 },
5922
5923 after: function() {
5924 return domManip( this, arguments, function( elem ) {
5925 if ( this.parentNode ) {
5926 this.parentNode.insertBefore( elem, this.nextSibling );
5927 }
5928 } );
5929 },
5930
5931 empty: function() {
5932 var elem,
5933 i = 0;
5934
5935 for ( ; ( elem = this[ i ] ) != null; i++ ) {
5936 if ( elem.nodeType === 1 ) {
5937
5938 // Prevent memory leaks
5939 jQuery.cleanData( getAll( elem, false ) );
5940
5941 // Remove any remaining nodes
5942 elem.textContent = "";
5943 }
5944 }
5945
5946 return this;
5947 },
5948
5949 clone: function( dataAndEvents, deepDataAndEvents ) {
5950 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
5951 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
5952
5953 return this.map( function() {
5954 return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
5955 } );
5956 },
5957
5958 html: function( value ) {
5959 return access( this, function( value ) {
5960 var elem = this[ 0 ] || {},
5961 i = 0,
5962 l = this.length;
5963
5964 if ( value === undefined && elem.nodeType === 1 ) {
5965 return elem.innerHTML;
5966 }
5967
5968 // See if we can take a shortcut and just use innerHTML
5969 if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
5970 !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
5971
5972 value = jQuery.htmlPrefilter( value );
5973
5974 try {
5975 for ( ; i < l; i++ ) {
5976 elem = this[ i ] || {};
5977
5978 // Remove element nodes and prevent memory leaks
5979 if ( elem.nodeType === 1 ) {
5980 jQuery.cleanData( getAll( elem, false ) );
5981 elem.innerHTML = value;
5982 }
5983 }
5984
5985 elem = 0;
5986
5987 // If using innerHTML throws an exception, use the fallback method
5988 } catch ( e ) {}
5989 }
5990
5991 if ( elem ) {
5992 this.empty().append( value );
5993 }
5994 }, null, value, arguments.length );
5995 },
5996
5997 replaceWith: function() {
5998 var ignored = [];
5999
6000 // Make the changes, replacing each non-ignored context element with the new content
6001 return domManip( this, arguments, function( elem ) {
6002 var parent = this.parentNode;
6003
6004 if ( jQuery.inArray( this, ignored ) < 0 ) {
6005 jQuery.cleanData( getAll( this ) );
6006 if ( parent ) {
6007 parent.replaceChild( elem, this );
6008 }
6009 }
6010
6011 // Force callback invocation
6012 }, ignored );
6013 }
6014 } );
6015
6016 jQuery.each( {
6017 appendTo: "append",
6018 prependTo: "prepend",
6019 insertBefore: "before",
6020 insertAfter: "after",
6021 replaceAll: "replaceWith"
6022 }, function( name, original ) {
6023 jQuery.fn[ name ] = function( selector ) {
6024 var elems,
6025 ret = [],
6026 insert = jQuery( selector ),
6027 last = insert.length - 1,
6028 i = 0;
6029
6030 for ( ; i <= last; i++ ) {
6031 elems = i === last ? this : this.clone( true );
6032 jQuery( insert[ i ] )[ original ]( elems );
6033
6034 // Support: Android <=4.0 only, PhantomJS 1 only
6035 // .get() because push.apply(_, arraylike) throws on ancient WebKit
6036 push.apply( ret, elems.get() );
6037 }
6038
6039 return this.pushStack( ret );
6040 };
6041 } );
6042 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
6043
6044 var getStyles = function( elem ) {
6045
6046 // Support: IE <=11 only, Firefox <=30 (#15098, #14150)
6047 // IE throws on elements created in popups
6048 // FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
6049 var view = elem.ownerDocument.defaultView;
6050
6051 if ( !view || !view.opener ) {
6052 view = window;
6053 }
6054
6055 return view.getComputedStyle( elem );
6056 };
6057
6058 var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
6059
6060
6061
6062 ( function() {
6063
6064 // Executing both pixelPosition & boxSizingReliable tests require only one layout
6065 // so they're executed at the same time to save the second computation.
6066 function computeStyleTests() {
6067
6068 // This is a singleton, we need to execute it only once
6069 if ( !div ) {
6070 return;
6071 }
6072
6073 container.style.cssText = "position:absolute;left:-11111px;width:60px;" +
6074 "margin-top:1px;padding:0;border:0";
6075 div.style.cssText =
6076 "position:relative;display:block;box-sizing:border-box;overflow:scroll;" +
6077 "margin:auto;border:1px;padding:1px;" +
6078 "width:60%;top:1%";
6079 documentElement.appendChild( container ).appendChild( div );
6080
6081 var divStyle = window.getComputedStyle( div );
6082 pixelPositionVal = divStyle.top !== "1%";
6083
6084 // Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
6085 reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
6086
6087 // Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
6088 // Some styles come back with percentage values, even though they shouldn't
6089 div.style.right = "60%";
6090 pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
6091
6092 // Support: IE 9 - 11 only
6093 // Detect misreporting of content dimensions for box-sizing:border-box elements
6094 boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
6095
6096 // Support: IE 9 only
6097 // Detect overflow:scroll screwiness (gh-3699)
6098 div.style.position = "absolute";
6099 scrollboxSizeVal = div.offsetWidth === 36 || "absolute";
6100
6101 documentElement.removeChild( container );
6102
6103 // Nullify the div so it wouldn't be stored in the memory and
6104 // it will also be a sign that checks already performed
6105 div = null;
6106 }
6107
6108 function roundPixelMeasures( measure ) {
6109 return Math.round( parseFloat( measure ) );
6110 }
6111
6112 var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal,
6113 reliableMarginLeftVal,
6114 container = document.createElement( "div" ),
6115 div = document.createElement( "div" );
6116
6117 // Finish early in limited (non-browser) environments
6118 if ( !div.style ) {
6119 return;
6120 }
6121
6122 // Support: IE <=9 - 11 only
6123 // Style of cloned element affects source element cloned (#8908)
6124 div.style.backgroundClip = "content-box";
6125 div.cloneNode( true ).style.backgroundClip = "";
6126 support.clearCloneStyle = div.style.backgroundClip === "content-box";
6127
6128 jQuery.extend( support, {
6129 boxSizingReliable: function() {
6130 computeStyleTests();
6131 return boxSizingReliableVal;
6132 },
6133 pixelBoxStyles: function() {
6134 computeStyleTests();
6135 return pixelBoxStylesVal;
6136 },
6137 pixelPosition: function() {
6138 computeStyleTests();
6139 return pixelPositionVal;
6140 },
6141 reliableMarginLeft: function() {
6142 computeStyleTests();
6143 return reliableMarginLeftVal;
6144 },
6145 scrollboxSize: function() {
6146 computeStyleTests();
6147 return scrollboxSizeVal;
6148 }
6149 } );
6150 } )();
6151
6152
6153 function curCSS( elem, name, computed ) {
6154 var width, minWidth, maxWidth, ret,
6155
6156 // Support: Firefox 51+
6157 // Retrieving style before computed somehow
6158 // fixes an issue with getting wrong values
6159 // on detached elements
6160 style = elem.style;
6161
6162 computed = computed || getStyles( elem );
6163
6164 // getPropertyValue is needed for:
6165 // .css('filter') (IE 9 only, #12537)
6166 // .css('--customProperty) (#3144)
6167 if ( computed ) {
6168 ret = computed.getPropertyValue( name ) || computed[ name ];
6169
6170 if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
6171 ret = jQuery.style( elem, name );
6172 }
6173
6174 // A tribute to the "awesome hack by Dean Edwards"
6175 // Android Browser returns percentage for some values,
6176 // but width seems to be reliably pixels.
6177 // This is against the CSSOM draft spec:
6178 // https://drafts.csswg.org/cssom/#resolved-values
6179 if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
6180
6181 // Remember the original values
6182 width = style.width;
6183 minWidth = style.minWidth;
6184 maxWidth = style.maxWidth;
6185
6186 // Put in the new values to get a computed value out
6187 style.minWidth = style.maxWidth = style.width = ret;
6188 ret = computed.width;
6189
6190 // Revert the changed values
6191 style.width = width;
6192 style.minWidth = minWidth;
6193 style.maxWidth = maxWidth;
6194 }
6195 }
6196
6197 return ret !== undefined ?
6198
6199 // Support: IE <=9 - 11 only
6200 // IE returns zIndex value as an integer.
6201 ret + "" :
6202 ret;
6203 }
6204
6205
6206 function addGetHookIf( conditionFn, hookFn ) {
6207
6208 // Define the hook, we'll check on the first run if it's really needed.
6209 return {
6210 get: function() {
6211 if ( conditionFn() ) {
6212
6213 // Hook not needed (or it's not possible to use it due
6214 // to missing dependency), remove it.
6215 delete this.get;
6216 return;
6217 }
6218
6219 // Hook needed; redefine it so that the support test is not executed again.
6220 return ( this.get = hookFn ).apply( this, arguments );
6221 }
6222 };
6223 }
6224
6225
6226 var
6227
6228 // Swappable if display is none or starts with table
6229 // except "table", "table-cell", or "table-caption"
6230 // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6231 rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6232 rcustomProp = /^--/,
6233 cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6234 cssNormalTransform = {
6235 letterSpacing: "0",
6236 fontWeight: "400"
6237 },
6238
6239 cssPrefixes = [ "Webkit", "Moz", "ms" ],
6240 emptyStyle = document.createElement( "div" ).style;
6241
6242 // Return a css property mapped to a potentially vendor prefixed property
6243 function vendorPropName( name ) {
6244
6245 // Shortcut for names that are not vendor prefixed
6246 if ( name in emptyStyle ) {
6247 return name;
6248 }
6249
6250 // Check for vendor prefixed names
6251 var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
6252 i = cssPrefixes.length;
6253
6254 while ( i-- ) {
6255 name = cssPrefixes[ i ] + capName;
6256 if ( name in emptyStyle ) {
6257 return name;
6258 }
6259 }
6260 }
6261
6262 // Return a property mapped along what jQuery.cssProps suggests or to
6263 // a vendor prefixed property.
6264 function finalPropName( name ) {
6265 var ret = jQuery.cssProps[ name ];
6266 if ( !ret ) {
6267 ret = jQuery.cssProps[ name ] = vendorPropName( name ) || name;
6268 }
6269 return ret;
6270 }
6271
6272 function setPositiveNumber( elem, value, subtract ) {
6273
6274 // Any relative (+/-) values have already been
6275 // normalized at this point
6276 var matches = rcssNum.exec( value );
6277 return matches ?
6278
6279 // Guard against undefined "subtract", e.g., when used as in cssHooks
6280 Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
6281 value;
6282 }
6283
6284 function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
6285 var i = dimension === "width" ? 1 : 0,
6286 extra = 0,
6287 delta = 0;
6288
6289 // Adjustment may not be necessary
6290 if ( box === ( isBorderBox ? "border" : "content" ) ) {
6291 return 0;
6292 }
6293
6294 for ( ; i < 4; i += 2 ) {
6295
6296 // Both box models exclude margin
6297 if ( box === "margin" ) {
6298 delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
6299 }
6300
6301 // If we get here with a content-box, we're seeking "padding" or "border" or "margin"
6302 if ( !isBorderBox ) {
6303
6304 // Add padding
6305 delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6306
6307 // For "border" or "margin", add border
6308 if ( box !== "padding" ) {
6309 delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6310
6311 // But still keep track of it otherwise
6312 } else {
6313 extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6314 }
6315
6316 // If we get here with a border-box (content + padding + border), we're seeking "content" or
6317 // "padding" or "margin"
6318 } else {
6319
6320 // For "content", subtract padding
6321 if ( box === "content" ) {
6322 delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
6323 }
6324
6325 // For "content" or "padding", subtract border
6326 if ( box !== "margin" ) {
6327 delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
6328 }
6329 }
6330 }
6331
6332 // Account for positive content-box scroll gutter when requested by providing computedVal
6333 if ( !isBorderBox && computedVal >= 0 ) {
6334
6335 // offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
6336 // Assuming integer scroll gutter, subtract the rest and round down
6337 delta += Math.max( 0, Math.ceil(
6338 elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6339 computedVal -
6340 delta -
6341 extra -
6342 0.5
6343 ) );
6344 }
6345
6346 return delta;
6347 }
6348
6349 function getWidthOrHeight( elem, dimension, extra ) {
6350
6351 // Start with computed style
6352 var styles = getStyles( elem ),
6353 val = curCSS( elem, dimension, styles ),
6354 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6355 valueIsBorderBox = isBorderBox;
6356
6357 // Support: Firefox <=54
6358 // Return a confounding non-pixel value or feign ignorance, as appropriate.
6359 if ( rnumnonpx.test( val ) ) {
6360 if ( !extra ) {
6361 return val;
6362 }
6363 val = "auto";
6364 }
6365
6366 // Check for style in case a browser which returns unreliable values
6367 // for getComputedStyle silently falls back to the reliable elem.style
6368 valueIsBorderBox = valueIsBorderBox &&
6369 ( support.boxSizingReliable() || val === elem.style[ dimension ] );
6370
6371 // Fall back to offsetWidth/offsetHeight when value is "auto"
6372 // This happens for inline elements with no explicit setting (gh-3571)
6373 // Support: Android <=4.1 - 4.3 only
6374 // Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
6375 if ( val === "auto" ||
6376 !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) {
6377
6378 val = elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ];
6379
6380 // offsetWidth/offsetHeight provide border-box values
6381 valueIsBorderBox = true;
6382 }
6383
6384 // Normalize "" and auto
6385 val = parseFloat( val ) || 0;
6386
6387 // Adjust for the element's box model
6388 return ( val +
6389 boxModelAdjustment(
6390 elem,
6391 dimension,
6392 extra || ( isBorderBox ? "border" : "content" ),
6393 valueIsBorderBox,
6394 styles,
6395
6396 // Provide the current computed size to request scroll gutter calculation (gh-3589)
6397 val
6398 )
6399 ) + "px";
6400 }
6401
6402 jQuery.extend( {
6403
6404 // Add in style property hooks for overriding the default
6405 // behavior of getting and setting a style property
6406 cssHooks: {
6407 opacity: {
6408 get: function( elem, computed ) {
6409 if ( computed ) {
6410
6411 // We should always get a number back from opacity
6412 var ret = curCSS( elem, "opacity" );
6413 return ret === "" ? "1" : ret;
6414 }
6415 }
6416 }
6417 },
6418
6419 // Don't automatically add "px" to these possibly-unitless properties
6420 cssNumber: {
6421 "animationIterationCount": true,
6422 "columnCount": true,
6423 "fillOpacity": true,
6424 "flexGrow": true,
6425 "flexShrink": true,
6426 "fontWeight": true,
6427 "lineHeight": true,
6428 "opacity": true,
6429 "order": true,
6430 "orphans": true,
6431 "widows": true,
6432 "zIndex": true,
6433 "zoom": true
6434 },
6435
6436 // Add in properties whose names you wish to fix before
6437 // setting or getting the value
6438 cssProps: {},
6439
6440 // Get and set the style property on a DOM Node
6441 style: function( elem, name, value, extra ) {
6442
6443 // Don't set styles on text and comment nodes
6444 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6445 return;
6446 }
6447
6448 // Make sure that we're working with the right name
6449 var ret, type, hooks,
6450 origName = camelCase( name ),
6451 isCustomProp = rcustomProp.test( name ),
6452 style = elem.style;
6453
6454 // Make sure that we're working with the right name. We don't
6455 // want to query the value if it is a CSS custom property
6456 // since they are user-defined.
6457 if ( !isCustomProp ) {
6458 name = finalPropName( origName );
6459 }
6460
6461 // Gets hook for the prefixed version, then unprefixed version
6462 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6463
6464 // Check if we're setting a value
6465 if ( value !== undefined ) {
6466 type = typeof value;
6467
6468 // Convert "+=" or "-=" to relative numbers (#7345)
6469 if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
6470 value = adjustCSS( elem, name, ret );
6471
6472 // Fixes bug #9237
6473 type = "number";
6474 }
6475
6476 // Make sure that null and NaN values aren't set (#7116)
6477 if ( value == null || value !== value ) {
6478 return;
6479 }
6480
6481 // If a number was passed in, add the unit (except for certain CSS properties)
6482 if ( type === "number" ) {
6483 value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
6484 }
6485
6486 // background-* props affect original clone's values
6487 if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
6488 style[ name ] = "inherit";
6489 }
6490
6491 // If a hook was provided, use that value, otherwise just set the specified value
6492 if ( !hooks || !( "set" in hooks ) ||
6493 ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
6494
6495 if ( isCustomProp ) {
6496 style.setProperty( name, value );
6497 } else {
6498 style[ name ] = value;
6499 }
6500 }
6501
6502 } else {
6503
6504 // If a hook was provided get the non-computed value from there
6505 if ( hooks && "get" in hooks &&
6506 ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
6507
6508 return ret;
6509 }
6510
6511 // Otherwise just get the value from the style object
6512 return style[ name ];
6513 }
6514 },
6515
6516 css: function( elem, name, extra, styles ) {
6517 var val, num, hooks,
6518 origName = camelCase( name ),
6519 isCustomProp = rcustomProp.test( name );
6520
6521 // Make sure that we're working with the right name. We don't
6522 // want to modify the value if it is a CSS custom property
6523 // since they are user-defined.
6524 if ( !isCustomProp ) {
6525 name = finalPropName( origName );
6526 }
6527
6528 // Try prefixed name followed by the unprefixed name
6529 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
6530
6531 // If a hook was provided get the computed value from there
6532 if ( hooks && "get" in hooks ) {
6533 val = hooks.get( elem, true, extra );
6534 }
6535
6536 // Otherwise, if a way to get the computed value exists, use that
6537 if ( val === undefined ) {
6538 val = curCSS( elem, name, styles );
6539 }
6540
6541 // Convert "normal" to computed value
6542 if ( val === "normal" && name in cssNormalTransform ) {
6543 val = cssNormalTransform[ name ];
6544 }
6545
6546 // Make numeric if forced or a qualifier was provided and val looks numeric
6547 if ( extra === "" || extra ) {
6548 num = parseFloat( val );
6549 return extra === true || isFinite( num ) ? num || 0 : val;
6550 }
6551
6552 return val;
6553 }
6554 } );
6555
6556 jQuery.each( [ "height", "width" ], function( i, dimension ) {
6557 jQuery.cssHooks[ dimension ] = {
6558 get: function( elem, computed, extra ) {
6559 if ( computed ) {
6560
6561 // Certain elements can have dimension info if we invisibly show them
6562 // but it must have a current display style that would benefit
6563 return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
6564
6565 // Support: Safari 8+
6566 // Table columns in Safari have non-zero offsetWidth & zero
6567 // getBoundingClientRect().width unless display is changed.
6568 // Support: IE <=11 only
6569 // Running getBoundingClientRect on a disconnected node
6570 // in IE throws an error.
6571 ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
6572 swap( elem, cssShow, function() {
6573 return getWidthOrHeight( elem, dimension, extra );
6574 } ) :
6575 getWidthOrHeight( elem, dimension, extra );
6576 }
6577 },
6578
6579 set: function( elem, value, extra ) {
6580 var matches,
6581 styles = getStyles( elem ),
6582 isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
6583 subtract = extra && boxModelAdjustment(
6584 elem,
6585 dimension,
6586 extra,
6587 isBorderBox,
6588 styles
6589 );
6590
6591 // Account for unreliable border-box dimensions by comparing offset* to computed and
6592 // faking a content-box to get border and padding (gh-3699)
6593 if ( isBorderBox && support.scrollboxSize() === styles.position ) {
6594 subtract -= Math.ceil(
6595 elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] -
6596 parseFloat( styles[ dimension ] ) -
6597 boxModelAdjustment( elem, dimension, "border", false, styles ) -
6598 0.5
6599 );
6600 }
6601
6602 // Convert to pixels if value adjustment is needed
6603 if ( subtract && ( matches = rcssNum.exec( value ) ) &&
6604 ( matches[ 3 ] || "px" ) !== "px" ) {
6605
6606 elem.style[ dimension ] = value;
6607 value = jQuery.css( elem, dimension );
6608 }
6609
6610 return setPositiveNumber( elem, value, subtract );
6611 }
6612 };
6613 } );
6614
6615 jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
6616 function( elem, computed ) {
6617 if ( computed ) {
6618 return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
6619 elem.getBoundingClientRect().left -
6620 swap( elem, { marginLeft: 0 }, function() {
6621 return elem.getBoundingClientRect().left;
6622 } )
6623 ) + "px";
6624 }
6625 }
6626 );
6627
6628 // These hooks are used by animate to expand properties
6629 jQuery.each( {
6630 margin: "",
6631 padding: "",
6632 border: "Width"
6633 }, function( prefix, suffix ) {
6634 jQuery.cssHooks[ prefix + suffix ] = {
6635 expand: function( value ) {
6636 var i = 0,
6637 expanded = {},
6638
6639 // Assumes a single number if not a string
6640 parts = typeof value === "string" ? value.split( " " ) : [ value ];
6641
6642 for ( ; i < 4; i++ ) {
6643 expanded[ prefix + cssExpand[ i ] + suffix ] =
6644 parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
6645 }
6646
6647 return expanded;
6648 }
6649 };
6650
6651 if ( prefix !== "margin" ) {
6652 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
6653 }
6654 } );
6655
6656 jQuery.fn.extend( {
6657 css: function( name, value ) {
6658 return access( this, function( elem, name, value ) {
6659 var styles, len,
6660 map = {},
6661 i = 0;
6662
6663 if ( Array.isArray( name ) ) {
6664 styles = getStyles( elem );
6665 len = name.length;
6666
6667 for ( ; i < len; i++ ) {
6668 map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6669 }
6670
6671 return map;
6672 }
6673
6674 return value !== undefined ?
6675 jQuery.style( elem, name, value ) :
6676 jQuery.css( elem, name );
6677 }, name, value, arguments.length > 1 );
6678 }
6679 } );
6680
6681
6682 // Based off of the plugin by Clint Helfers, with permission.
6683 // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
6684 jQuery.fn.delay = function( time, type ) {
6685 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
6686 type = type || "fx";
6687
6688 return this.queue( type, function( next, hooks ) {
6689 var timeout = window.setTimeout( next, time );
6690 hooks.stop = function() {
6691 window.clearTimeout( timeout );
6692 };
6693 } );
6694 };
6695
6696
6697 ( function() {
6698 var input = document.createElement( "input" ),
6699 select = document.createElement( "select" ),
6700 opt = select.appendChild( document.createElement( "option" ) );
6701
6702 input.type = "checkbox";
6703
6704 // Support: Android <=4.3 only
6705 // Default value for a checkbox should be "on"
6706 support.checkOn = input.value !== "";
6707
6708 // Support: IE <=11 only
6709 // Must access selectedIndex to make default options select
6710 support.optSelected = opt.selected;
6711
6712 // Support: IE <=11 only
6713 // An input loses its value after becoming a radio
6714 input = document.createElement( "input" );
6715 input.value = "t";
6716 input.type = "radio";
6717 support.radioValue = input.value === "t";
6718 } )();
6719
6720
6721 var boolHook,
6722 attrHandle = jQuery.expr.attrHandle;
6723
6724 jQuery.fn.extend( {
6725 attr: function( name, value ) {
6726 return access( this, jQuery.attr, name, value, arguments.length > 1 );
6727 },
6728
6729 removeAttr: function( name ) {
6730 return this.each( function() {
6731 jQuery.removeAttr( this, name );
6732 } );
6733 }
6734 } );
6735
6736 jQuery.extend( {
6737 attr: function( elem, name, value ) {
6738 var ret, hooks,
6739 nType = elem.nodeType;
6740
6741 // Don't get/set attributes on text, comment and attribute nodes
6742 if ( nType === 3 || nType === 8 || nType === 2 ) {
6743 return;
6744 }
6745
6746 // Fallback to prop when attributes are not supported
6747 if ( typeof elem.getAttribute === "undefined" ) {
6748 return jQuery.prop( elem, name, value );
6749 }
6750
6751 // Attribute hooks are determined by the lowercase version
6752 // Grab necessary hook if one is defined
6753 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
6754 hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
6755 ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
6756 }
6757
6758 if ( value !== undefined ) {
6759 if ( value === null ) {
6760 jQuery.removeAttr( elem, name );
6761 return;
6762 }
6763
6764 if ( hooks && "set" in hooks &&
6765 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
6766 return ret;
6767 }
6768
6769 elem.setAttribute( name, value + "" );
6770 return value;
6771 }
6772
6773 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
6774 return ret;
6775 }
6776
6777 ret = jQuery.find.attr( elem, name );
6778
6779 // Non-existent attributes return null, we normalize to undefined
6780 return ret == null ? undefined : ret;
6781 },
6782
6783 attrHooks: {
6784 type: {
6785 set: function( elem, value ) {
6786 if ( !support.radioValue && value === "radio" &&
6787 nodeName( elem, "input" ) ) {
6788 var val = elem.value;
6789 elem.setAttribute( "type", value );
6790 if ( val ) {
6791 elem.value = val;
6792 }
6793 return value;
6794 }
6795 }
6796 }
6797 },
6798
6799 removeAttr: function( elem, value ) {
6800 var name,
6801 i = 0,
6802
6803 // Attribute names can contain non-HTML whitespace characters
6804 // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
6805 attrNames = value && value.match( rnothtmlwhite );
6806
6807 if ( attrNames && elem.nodeType === 1 ) {
6808 while ( ( name = attrNames[ i++ ] ) ) {
6809 elem.removeAttribute( name );
6810 }
6811 }
6812 }
6813 } );
6814
6815 // Hooks for boolean attributes
6816 boolHook = {
6817 set: function( elem, value, name ) {
6818 if ( value === false ) {
6819
6820 // Remove boolean attributes when set to false
6821 jQuery.removeAttr( elem, name );
6822 } else {
6823 elem.setAttribute( name, name );
6824 }
6825 return name;
6826 }
6827 };
6828
6829 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
6830 var getter = attrHandle[ name ] || jQuery.find.attr;
6831
6832 attrHandle[ name ] = function( elem, name, isXML ) {
6833 var ret, handle,
6834 lowercaseName = name.toLowerCase();
6835
6836 if ( !isXML ) {
6837
6838 // Avoid an infinite loop by temporarily removing this function from the getter
6839 handle = attrHandle[ lowercaseName ];
6840 attrHandle[ lowercaseName ] = ret;
6841 ret = getter( elem, name, isXML ) != null ?
6842 lowercaseName :
6843 null;
6844 attrHandle[ lowercaseName ] = handle;
6845 }
6846 return ret;
6847 };
6848 } );
6849
6850
6851
6852
6853 var rfocusable = /^(?:input|select|textarea|button)$/i,
6854 rclickable = /^(?:a|area)$/i;
6855
6856 jQuery.fn.extend( {
6857 prop: function( name, value ) {
6858 return access( this, jQuery.prop, name, value, arguments.length > 1 );
6859 },
6860
6861 removeProp: function( name ) {
6862 return this.each( function() {
6863 delete this[ jQuery.propFix[ name ] || name ];
6864 } );
6865 }
6866 } );
6867
6868 jQuery.extend( {
6869 prop: function( elem, name, value ) {
6870 var ret, hooks,
6871 nType = elem.nodeType;
6872
6873 // Don't get/set properties on text, comment and attribute nodes
6874 if ( nType === 3 || nType === 8 || nType === 2 ) {
6875 return;
6876 }
6877
6878 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
6879
6880 // Fix name and attach hooks
6881 name = jQuery.propFix[ name ] || name;
6882 hooks = jQuery.propHooks[ name ];
6883 }
6884
6885 if ( value !== undefined ) {
6886 if ( hooks && "set" in hooks &&
6887 ( ret = hooks.set( elem, value, name ) ) !== undefined ) {
6888 return ret;
6889 }
6890
6891 return ( elem[ name ] = value );
6892 }
6893
6894 if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
6895 return ret;
6896 }
6897
6898 return elem[ name ];
6899 },
6900
6901 propHooks: {
6902 tabIndex: {
6903 get: function( elem ) {
6904
6905 // Support: IE <=9 - 11 only
6906 // elem.tabIndex doesn't always return the
6907 // correct value when it hasn't been explicitly set
6908 // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
6909 // Use proper attribute retrieval(#12072)
6910 var tabindex = jQuery.find.attr( elem, "tabindex" );
6911
6912 if ( tabindex ) {
6913 return parseInt( tabindex, 10 );
6914 }
6915
6916 if (
6917 rfocusable.test( elem.nodeName ) ||
6918 rclickable.test( elem.nodeName ) &&
6919 elem.href
6920 ) {
6921 return 0;
6922 }
6923
6924 return -1;
6925 }
6926 }
6927 },
6928
6929 propFix: {
6930 "for": "htmlFor",
6931 "class": "className"
6932 }
6933 } );
6934
6935 // Support: IE <=11 only
6936 // Accessing the selectedIndex property
6937 // forces the browser to respect setting selected
6938 // on the option
6939 // The getter ensures a default option is selected
6940 // when in an optgroup
6941 // eslint rule "no-unused-expressions" is disabled for this code
6942 // since it considers such accessions noop
6943 if ( !support.optSelected ) {
6944 jQuery.propHooks.selected = {
6945 get: function( elem ) {
6946
6947 /* eslint no-unused-expressions: "off" */
6948
6949 var parent = elem.parentNode;
6950 if ( parent && parent.parentNode ) {
6951 parent.parentNode.selectedIndex;
6952 }
6953 return null;
6954 },
6955 set: function( elem ) {
6956
6957 /* eslint no-unused-expressions: "off" */
6958
6959 var parent = elem.parentNode;
6960 if ( parent ) {
6961 parent.selectedIndex;
6962
6963 if ( parent.parentNode ) {
6964 parent.parentNode.selectedIndex;
6965 }
6966 }
6967 }
6968 };
6969 }
6970
6971 jQuery.each( [
6972 "tabIndex",
6973 "readOnly",
6974 "maxLength",
6975 "cellSpacing",
6976 "cellPadding",
6977 "rowSpan",
6978 "colSpan",
6979 "useMap",
6980 "frameBorder",
6981 "contentEditable"
6982 ], function() {
6983 jQuery.propFix[ this.toLowerCase() ] = this;
6984 } );
6985
6986
6987
6988
6989 // Strip and collapse whitespace according to HTML spec
6990 // https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
6991 function stripAndCollapse( value ) {
6992 var tokens = value.match( rnothtmlwhite ) || [];
6993 return tokens.join( " " );
6994 }
6995
6996
6997 function getClass( elem ) {
6998 return elem.getAttribute && elem.getAttribute( "class" ) || "";
6999 }
7000
7001 function classesToArray( value ) {
7002 if ( Array.isArray( value ) ) {
7003 return value;
7004 }
7005 if ( typeof value === "string" ) {
7006 return value.match( rnothtmlwhite ) || [];
7007 }
7008 return [];
7009 }
7010
7011 jQuery.fn.extend( {
7012 addClass: function( value ) {
7013 var classes, elem, cur, curValue, clazz, j, finalValue,
7014 i = 0;
7015
7016 if ( isFunction( value ) ) {
7017 return this.each( function( j ) {
7018 jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
7019 } );
7020 }
7021
7022 classes = classesToArray( value );
7023
7024 if ( classes.length ) {
7025 while ( ( elem = this[ i++ ] ) ) {
7026 curValue = getClass( elem );
7027 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7028
7029 if ( cur ) {
7030 j = 0;
7031 while ( ( clazz = classes[ j++ ] ) ) {
7032 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
7033 cur += clazz + " ";
7034 }
7035 }
7036
7037 // Only assign if different to avoid unneeded rendering.
7038 finalValue = stripAndCollapse( cur );
7039 if ( curValue !== finalValue ) {
7040 elem.setAttribute( "class", finalValue );
7041 }
7042 }
7043 }
7044 }
7045
7046 return this;
7047 },
7048
7049 removeClass: function( value ) {
7050 var classes, elem, cur, curValue, clazz, j, finalValue,
7051 i = 0;
7052
7053 if ( isFunction( value ) ) {
7054 return this.each( function( j ) {
7055 jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
7056 } );
7057 }
7058
7059 if ( !arguments.length ) {
7060 return this.attr( "class", "" );
7061 }
7062
7063 classes = classesToArray( value );
7064
7065 if ( classes.length ) {
7066 while ( ( elem = this[ i++ ] ) ) {
7067 curValue = getClass( elem );
7068
7069 // This expression is here for better compressibility (see addClass)
7070 cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
7071
7072 if ( cur ) {
7073 j = 0;
7074 while ( ( clazz = classes[ j++ ] ) ) {
7075
7076 // Remove *all* instances
7077 while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
7078 cur = cur.replace( " " + clazz + " ", " " );
7079 }
7080 }
7081
7082 // Only assign if different to avoid unneeded rendering.
7083 finalValue = stripAndCollapse( cur );
7084 if ( curValue !== finalValue ) {
7085 elem.setAttribute( "class", finalValue );
7086 }
7087 }
7088 }
7089 }
7090
7091 return this;
7092 },
7093
7094 toggleClass: function( value, stateVal ) {
7095 var type = typeof value,
7096 isValidValue = type === "string" || Array.isArray( value );
7097
7098 if ( typeof stateVal === "boolean" && isValidValue ) {
7099 return stateVal ? this.addClass( value ) : this.removeClass( value );
7100 }
7101
7102 if ( isFunction( value ) ) {
7103 return this.each( function( i ) {
7104 jQuery( this ).toggleClass(
7105 value.call( this, i, getClass( this ), stateVal ),
7106 stateVal
7107 );
7108 } );
7109 }
7110
7111 return this.each( function() {
7112 var className, i, self, classNames;
7113
7114 if ( isValidValue ) {
7115
7116 // Toggle individual class names
7117 i = 0;
7118 self = jQuery( this );
7119 classNames = classesToArray( value );
7120
7121 while ( ( className = classNames[ i++ ] ) ) {
7122
7123 // Check each className given, space separated list
7124 if ( self.hasClass( className ) ) {
7125 self.removeClass( className );
7126 } else {
7127 self.addClass( className );
7128 }
7129 }
7130
7131 // Toggle whole class name
7132 } else if ( value === undefined || type === "boolean" ) {
7133 className = getClass( this );
7134 if ( className ) {
7135
7136 // Store className if set
7137 dataPriv.set( this, "__className__", className );
7138 }
7139
7140 // If the element has a class name or if we're passed `false`,
7141 // then remove the whole classname (if there was one, the above saved it).
7142 // Otherwise bring back whatever was previously saved (if anything),
7143 // falling back to the empty string if nothing was stored.
7144 if ( this.setAttribute ) {
7145 this.setAttribute( "class",
7146 className || value === false ?
7147 "" :
7148 dataPriv.get( this, "__className__" ) || ""
7149 );
7150 }
7151 }
7152 } );
7153 },
7154
7155 hasClass: function( selector ) {
7156 var className, elem,
7157 i = 0;
7158
7159 className = " " + selector + " ";
7160 while ( ( elem = this[ i++ ] ) ) {
7161 if ( elem.nodeType === 1 &&
7162 ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
7163 return true;
7164 }
7165 }
7166
7167 return false;
7168 }
7169 } );
7170
7171
7172
7173
7174 var rreturn = /\r/g;
7175
7176 jQuery.fn.extend( {
7177 val: function( value ) {
7178 var hooks, ret, valueIsFunction,
7179 elem = this[ 0 ];
7180
7181 if ( !arguments.length ) {
7182 if ( elem ) {
7183 hooks = jQuery.valHooks[ elem.type ] ||
7184 jQuery.valHooks[ elem.nodeName.toLowerCase() ];
7185
7186 if ( hooks &&
7187 "get" in hooks &&
7188 ( ret = hooks.get( elem, "value" ) ) !== undefined
7189 ) {
7190 return ret;
7191 }
7192
7193 ret = elem.value;
7194
7195 // Handle most common string cases
7196 if ( typeof ret === "string" ) {
7197 return ret.replace( rreturn, "" );
7198 }
7199
7200 // Handle cases where value is null/undef or number
7201 return ret == null ? "" : ret;
7202 }
7203
7204 return;
7205 }
7206
7207 valueIsFunction = isFunction( value );
7208
7209 return this.each( function( i ) {
7210 var val;
7211
7212 if ( this.nodeType !== 1 ) {
7213 return;
7214 }
7215
7216 if ( valueIsFunction ) {
7217 val = value.call( this, i, jQuery( this ).val() );
7218 } else {
7219 val = value;
7220 }
7221
7222 // Treat null/undefined as ""; convert numbers to string
7223 if ( val == null ) {
7224 val = "";
7225
7226 } else if ( typeof val === "number" ) {
7227 val += "";
7228
7229 } else if ( Array.isArray( val ) ) {
7230 val = jQuery.map( val, function( value ) {
7231 return value == null ? "" : value + "";
7232 } );
7233 }
7234
7235 hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
7236
7237 // If set returns undefined, fall back to normal setting
7238 if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
7239 this.value = val;
7240 }
7241 } );
7242 }
7243 } );
7244
7245 jQuery.extend( {
7246 valHooks: {
7247 option: {
7248 get: function( elem ) {
7249
7250 var val = jQuery.find.attr( elem, "value" );
7251 return val != null ?
7252 val :
7253
7254 // Support: IE <=10 - 11 only
7255 // option.text throws exceptions (#14686, #14858)
7256 // Strip and collapse whitespace
7257 // https://html.spec.whatwg.org/#strip-and-collapse-whitespace
7258 stripAndCollapse( jQuery.text( elem ) );
7259 }
7260 },
7261 select: {
7262 get: function( elem ) {
7263 var value, option, i,
7264 options = elem.options,
7265 index = elem.selectedIndex,
7266 one = elem.type === "select-one",
7267 values = one ? null : [],
7268 max = one ? index + 1 : options.length;
7269
7270 if ( index < 0 ) {
7271 i = max;
7272
7273 } else {
7274 i = one ? index : 0;
7275 }
7276
7277 // Loop through all the selected options
7278 for ( ; i < max; i++ ) {
7279 option = options[ i ];
7280
7281 // Support: IE <=9 only
7282 // IE8-9 doesn't update selected after form reset (#2551)
7283 if ( ( option.selected || i === index ) &&
7284
7285 // Don't return options that are disabled or in a disabled optgroup
7286 !option.disabled &&
7287 ( !option.parentNode.disabled ||
7288 !nodeName( option.parentNode, "optgroup" ) ) ) {
7289
7290 // Get the specific value for the option
7291 value = jQuery( option ).val();
7292
7293 // We don't need an array for one selects
7294 if ( one ) {
7295 return value;
7296 }
7297
7298 // Multi-Selects return an array
7299 values.push( value );
7300 }
7301 }
7302
7303 return values;
7304 },
7305
7306 set: function( elem, value ) {
7307 var optionSet, option,
7308 options = elem.options,
7309 values = jQuery.makeArray( value ),
7310 i = options.length;
7311
7312 while ( i-- ) {
7313 option = options[ i ];
7314
7315 /* eslint-disable no-cond-assign */
7316
7317 if ( option.selected =
7318 jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
7319 ) {
7320 optionSet = true;
7321 }
7322
7323 /* eslint-enable no-cond-assign */
7324 }
7325
7326 // Force browsers to behave consistently when non-matching value is set
7327 if ( !optionSet ) {
7328 elem.selectedIndex = -1;
7329 }
7330 return values;
7331 }
7332 }
7333 }
7334 } );
7335
7336 // Radios and checkboxes getter/setter
7337 jQuery.each( [ "radio", "checkbox" ], function() {
7338 jQuery.valHooks[ this ] = {
7339 set: function( elem, value ) {
7340 if ( Array.isArray( value ) ) {
7341 return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
7342 }
7343 }
7344 };
7345 if ( !support.checkOn ) {
7346 jQuery.valHooks[ this ].get = function( elem ) {
7347 return elem.getAttribute( "value" ) === null ? "on" : elem.value;
7348 };
7349 }
7350 } );
7351
7352
7353
7354
7355 // Return jQuery for attributes-only inclusion
7356
7357
7358 support.focusin = "onfocusin" in window;
7359
7360
7361 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
7362 stopPropagationCallback = function( e ) {
7363 e.stopPropagation();
7364 };
7365
7366 jQuery.extend( jQuery.event, {
7367
7368 trigger: function( event, data, elem, onlyHandlers ) {
7369
7370 var i, cur, tmp, bubbleType, ontype, handle, special, lastElement,
7371 eventPath = [ elem || document ],
7372 type = hasOwn.call( event, "type" ) ? event.type : event,
7373 namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
7374
7375 cur = lastElement = tmp = elem = elem || document;
7376
7377 // Don't do events on text and comment nodes
7378 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
7379 return;
7380 }
7381
7382 // focus/blur morphs to focusin/out; ensure we're not firing them right now
7383 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
7384 return;
7385 }
7386
7387 if ( type.indexOf( "." ) > -1 ) {
7388
7389 // Namespaced trigger; create a regexp to match event type in handle()
7390 namespaces = type.split( "." );
7391 type = namespaces.shift();
7392 namespaces.sort();
7393 }
7394 ontype = type.indexOf( ":" ) < 0 && "on" + type;
7395
7396 // Caller can pass in a jQuery.Event object, Object, or just an event type string
7397 event = event[ jQuery.expando ] ?
7398 event :
7399 new jQuery.Event( type, typeof event === "object" && event );
7400
7401 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
7402 event.isTrigger = onlyHandlers ? 2 : 3;
7403 event.namespace = namespaces.join( "." );
7404 event.rnamespace = event.namespace ?
7405 new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
7406 null;
7407
7408 // Clean up the event in case it is being reused
7409 event.result = undefined;
7410 if ( !event.target ) {
7411 event.target = elem;
7412 }
7413
7414 // Clone any incoming data and prepend the event, creating the handler arg list
7415 data = data == null ?
7416 [ event ] :
7417 jQuery.makeArray( data, [ event ] );
7418
7419 // Allow special events to draw outside the lines
7420 special = jQuery.event.special[ type ] || {};
7421 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
7422 return;
7423 }
7424
7425 // Determine event propagation path in advance, per W3C events spec (#9951)
7426 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
7427 if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
7428
7429 bubbleType = special.delegateType || type;
7430 if ( !rfocusMorph.test( bubbleType + type ) ) {
7431 cur = cur.parentNode;
7432 }
7433 for ( ; cur; cur = cur.parentNode ) {
7434 eventPath.push( cur );
7435 tmp = cur;
7436 }
7437
7438 // Only add window if we got to document (e.g., not plain obj or detached DOM)
7439 if ( tmp === ( elem.ownerDocument || document ) ) {
7440 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
7441 }
7442 }
7443
7444 // Fire handlers on the event path
7445 i = 0;
7446 while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
7447 lastElement = cur;
7448 event.type = i > 1 ?
7449 bubbleType :
7450 special.bindType || type;
7451
7452 // jQuery handler
7453 handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
7454 dataPriv.get( cur, "handle" );
7455 if ( handle ) {
7456 handle.apply( cur, data );
7457 }
7458
7459 // Native handler
7460 handle = ontype && cur[ ontype ];
7461 if ( handle && handle.apply && acceptData( cur ) ) {
7462 event.result = handle.apply( cur, data );
7463 if ( event.result === false ) {
7464 event.preventDefault();
7465 }
7466 }
7467 }
7468 event.type = type;
7469
7470 // If nobody prevented the default action, do it now
7471 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
7472
7473 if ( ( !special._default ||
7474 special._default.apply( eventPath.pop(), data ) === false ) &&
7475 acceptData( elem ) ) {
7476
7477 // Call a native DOM method on the target with the same name as the event.
7478 // Don't do default actions on window, that's where global variables be (#6170)
7479 if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
7480
7481 // Don't re-trigger an onFOO event when we call its FOO() method
7482 tmp = elem[ ontype ];
7483
7484 if ( tmp ) {
7485 elem[ ontype ] = null;
7486 }
7487
7488 // Prevent re-triggering of the same event, since we already bubbled it above
7489 jQuery.event.triggered = type;
7490
7491 if ( event.isPropagationStopped() ) {
7492 lastElement.addEventListener( type, stopPropagationCallback );
7493 }
7494
7495 elem[ type ]();
7496
7497 if ( event.isPropagationStopped() ) {
7498 lastElement.removeEventListener( type, stopPropagationCallback );
7499 }
7500
7501 jQuery.event.triggered = undefined;
7502
7503 if ( tmp ) {
7504 elem[ ontype ] = tmp;
7505 }
7506 }
7507 }
7508 }
7509
7510 return event.result;
7511 },
7512
7513 // Piggyback on a donor event to simulate a different one
7514 // Used only for `focus(in | out)` events
7515 simulate: function( type, elem, event ) {
7516 var e = jQuery.extend(
7517 new jQuery.Event(),
7518 event,
7519 {
7520 type: type,
7521 isSimulated: true
7522 }
7523 );
7524
7525 jQuery.event.trigger( e, null, elem );
7526 }
7527
7528 } );
7529
7530 jQuery.fn.extend( {
7531
7532 trigger: function( type, data ) {
7533 return this.each( function() {
7534 jQuery.event.trigger( type, data, this );
7535 } );
7536 },
7537 triggerHandler: function( type, data ) {
7538 var elem = this[ 0 ];
7539 if ( elem ) {
7540 return jQuery.event.trigger( type, data, elem, true );
7541 }
7542 }
7543 } );
7544
7545
7546 // Support: Firefox <=44
7547 // Firefox doesn't have focus(in | out) events
7548 // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
7549 //
7550 // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
7551 // focus(in | out) events fire after focus & blur events,
7552 // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
7553 // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
7554 if ( !support.focusin ) {
7555 jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
7556
7557 // Attach a single capturing handler on the document while someone wants focusin/focusout
7558 var handler = function( event ) {
7559 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
7560 };
7561
7562 jQuery.event.special[ fix ] = {
7563 setup: function() {
7564 var doc = this.ownerDocument || this,
7565 attaches = dataPriv.access( doc, fix );
7566
7567 if ( !attaches ) {
7568 doc.addEventListener( orig, handler, true );
7569 }
7570 dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
7571 },
7572 teardown: function() {
7573 var doc = this.ownerDocument || this,
7574 attaches = dataPriv.access( doc, fix ) - 1;
7575
7576 if ( !attaches ) {
7577 doc.removeEventListener( orig, handler, true );
7578 dataPriv.remove( doc, fix );
7579
7580 } else {
7581 dataPriv.access( doc, fix, attaches );
7582 }
7583 }
7584 };
7585 } );
7586 }
7587
7588
7589 var
7590 rbracket = /\[\]$/,
7591 rCRLF = /\r?\n/g,
7592 rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
7593 rsubmittable = /^(?:input|select|textarea|keygen)/i;
7594
7595 function buildParams( prefix, obj, traditional, add ) {
7596 var name;
7597
7598 if ( Array.isArray( obj ) ) {
7599
7600 // Serialize array item.
7601 jQuery.each( obj, function( i, v ) {
7602 if ( traditional || rbracket.test( prefix ) ) {
7603
7604 // Treat each array item as a scalar.
7605 add( prefix, v );
7606
7607 } else {
7608
7609 // Item is non-scalar (array or object), encode its numeric index.
7610 buildParams(
7611 prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
7612 v,
7613 traditional,
7614 add
7615 );
7616 }
7617 } );
7618
7619 } else if ( !traditional && toType( obj ) === "object" ) {
7620
7621 // Serialize object item.
7622 for ( name in obj ) {
7623 buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
7624 }
7625
7626 } else {
7627
7628 // Serialize scalar item.
7629 add( prefix, obj );
7630 }
7631 }
7632
7633 // Serialize an array of form elements or a set of
7634 // key/values into a query string
7635 jQuery.param = function( a, traditional ) {
7636 var prefix,
7637 s = [],
7638 add = function( key, valueOrFunction ) {
7639
7640 // If value is a function, invoke it and use its return value
7641 var value = isFunction( valueOrFunction ) ?
7642 valueOrFunction() :
7643 valueOrFunction;
7644
7645 s[ s.length ] = encodeURIComponent( key ) + "=" +
7646 encodeURIComponent( value == null ? "" : value );
7647 };
7648
7649 // If an array was passed in, assume that it is an array of form elements.
7650 if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
7651
7652 // Serialize the form elements
7653 jQuery.each( a, function() {
7654 add( this.name, this.value );
7655 } );
7656
7657 } else {
7658
7659 // If traditional, encode the "old" way (the way 1.3.2 or older
7660 // did it), otherwise encode params recursively.
7661 for ( prefix in a ) {
7662 buildParams( prefix, a[ prefix ], traditional, add );
7663 }
7664 }
7665
7666 // Return the resulting serialization
7667 return s.join( "&" );
7668 };
7669
7670 jQuery.fn.extend( {
7671 serialize: function() {
7672 return jQuery.param( this.serializeArray() );
7673 },
7674 serializeArray: function() {
7675 return this.map( function() {
7676
7677 // Can add propHook for "elements" to filter or add form elements
7678 var elements = jQuery.prop( this, "elements" );
7679 return elements ? jQuery.makeArray( elements ) : this;
7680 } )
7681 .filter( function() {
7682 var type = this.type;
7683
7684 // Use .is( ":disabled" ) so that fieldset[disabled] works
7685 return this.name && !jQuery( this ).is( ":disabled" ) &&
7686 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
7687 ( this.checked || !rcheckableType.test( type ) );
7688 } )
7689 .map( function( i, elem ) {
7690 var val = jQuery( this ).val();
7691
7692 if ( val == null ) {
7693 return null;
7694 }
7695
7696 if ( Array.isArray( val ) ) {
7697 return jQuery.map( val, function( val ) {
7698 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7699 } );
7700 }
7701
7702 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7703 } ).get();
7704 }
7705 } );
7706
7707
7708 jQuery.fn.extend( {
7709 wrapAll: function( html ) {
7710 var wrap;
7711
7712 if ( this[ 0 ] ) {
7713 if ( isFunction( html ) ) {
7714 html = html.call( this[ 0 ] );
7715 }
7716
7717 // The elements to wrap the target around
7718 wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
7719
7720 if ( this[ 0 ].parentNode ) {
7721 wrap.insertBefore( this[ 0 ] );
7722 }
7723
7724 wrap.map( function() {
7725 var elem = this;
7726
7727 while ( elem.firstElementChild ) {
7728 elem = elem.firstElementChild;
7729 }
7730
7731 return elem;
7732 } ).append( this );
7733 }
7734
7735 return this;
7736 },
7737
7738 wrapInner: function( html ) {
7739 if ( isFunction( html ) ) {
7740 return this.each( function( i ) {
7741 jQuery( this ).wrapInner( html.call( this, i ) );
7742 } );
7743 }
7744
7745 return this.each( function() {
7746 var self = jQuery( this ),
7747 contents = self.contents();
7748
7749 if ( contents.length ) {
7750 contents.wrapAll( html );
7751
7752 } else {
7753 self.append( html );
7754 }
7755 } );
7756 },
7757
7758 wrap: function( html ) {
7759 var htmlIsFunction = isFunction( html );
7760
7761 return this.each( function( i ) {
7762 jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html );
7763 } );
7764 },
7765
7766 unwrap: function( selector ) {
7767 this.parent( selector ).not( "body" ).each( function() {
7768 jQuery( this ).replaceWith( this.childNodes );
7769 } );
7770 return this;
7771 }
7772 } );
7773
7774
7775 jQuery.expr.pseudos.hidden = function( elem ) {
7776 return !jQuery.expr.pseudos.visible( elem );
7777 };
7778 jQuery.expr.pseudos.visible = function( elem ) {
7779 return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
7780 };
7781
7782
7783
7784
7785 // Support: Safari 8 only
7786 // In Safari 8 documents created via document.implementation.createHTMLDocument
7787 // collapse sibling forms: the second one becomes a child of the first one.
7788 // Because of that, this security measure has to be disabled in Safari 8.
7789 // https://bugs.webkit.org/show_bug.cgi?id=137337
7790 support.createHTMLDocument = ( function() {
7791 var body = document.implementation.createHTMLDocument( "" ).body;
7792 body.innerHTML = "<form></form><form></form>";
7793 return body.childNodes.length === 2;
7794 } )();
7795
7796
7797 // Argument "data" should be string of html
7798 // context (optional): If specified, the fragment will be created in this context,
7799 // defaults to document
7800 // keepScripts (optional): If true, will include scripts passed in the html string
7801 jQuery.parseHTML = function( data, context, keepScripts ) {
7802 if ( typeof data !== "string" ) {
7803 return [];
7804 }
7805 if ( typeof context === "boolean" ) {
7806 keepScripts = context;
7807 context = false;
7808 }
7809
7810 var base, parsed, scripts;
7811
7812 if ( !context ) {
7813
7814 // Stop scripts or inline event handlers from being executed immediately
7815 // by using document.implementation
7816 if ( support.createHTMLDocument ) {
7817 context = document.implementation.createHTMLDocument( "" );
7818
7819 // Set the base href for the created document
7820 // so any parsed elements with URLs
7821 // are based on the document's URL (gh-2965)
7822 base = context.createElement( "base" );
7823 base.href = document.location.href;
7824 context.head.appendChild( base );
7825 } else {
7826 context = document;
7827 }
7828 }
7829
7830 parsed = rsingleTag.exec( data );
7831 scripts = !keepScripts && [];
7832
7833 // Single tag
7834 if ( parsed ) {
7835 return [ context.createElement( parsed[ 1 ] ) ];
7836 }
7837
7838 parsed = buildFragment( [ data ], context, scripts );
7839
7840 if ( scripts && scripts.length ) {
7841 jQuery( scripts ).remove();
7842 }
7843
7844 return jQuery.merge( [], parsed.childNodes );
7845 };
7846
7847
7848 jQuery.offset = {
7849 setOffset: function( elem, options, i ) {
7850 var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
7851 position = jQuery.css( elem, "position" ),
7852 curElem = jQuery( elem ),
7853 props = {};
7854
7855 // Set position first, in-case top/left are set even on static elem
7856 if ( position === "static" ) {
7857 elem.style.position = "relative";
7858 }
7859
7860 curOffset = curElem.offset();
7861 curCSSTop = jQuery.css( elem, "top" );
7862 curCSSLeft = jQuery.css( elem, "left" );
7863 calculatePosition = ( position === "absolute" || position === "fixed" ) &&
7864 ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
7865
7866 // Need to be able to calculate position if either
7867 // top or left is auto and position is either absolute or fixed
7868 if ( calculatePosition ) {
7869 curPosition = curElem.position();
7870 curTop = curPosition.top;
7871 curLeft = curPosition.left;
7872
7873 } else {
7874 curTop = parseFloat( curCSSTop ) || 0;
7875 curLeft = parseFloat( curCSSLeft ) || 0;
7876 }
7877
7878 if ( isFunction( options ) ) {
7879
7880 // Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
7881 options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
7882 }
7883
7884 if ( options.top != null ) {
7885 props.top = ( options.top - curOffset.top ) + curTop;
7886 }
7887 if ( options.left != null ) {
7888 props.left = ( options.left - curOffset.left ) + curLeft;
7889 }
7890
7891 if ( "using" in options ) {
7892 options.using.call( elem, props );
7893
7894 } else {
7895 curElem.css( props );
7896 }
7897 }
7898 };
7899
7900 jQuery.fn.extend( {
7901
7902 // offset() relates an element's border box to the document origin
7903 offset: function( options ) {
7904
7905 // Preserve chaining for setter
7906 if ( arguments.length ) {
7907 return options === undefined ?
7908 this :
7909 this.each( function( i ) {
7910 jQuery.offset.setOffset( this, options, i );
7911 } );
7912 }
7913
7914 var rect, win,
7915 elem = this[ 0 ];
7916
7917 if ( !elem ) {
7918 return;
7919 }
7920
7921 // Return zeros for disconnected and hidden (display: none) elements (gh-2310)
7922 // Support: IE <=11 only
7923 // Running getBoundingClientRect on a
7924 // disconnected node in IE throws an error
7925 if ( !elem.getClientRects().length ) {
7926 return { top: 0, left: 0 };
7927 }
7928
7929 // Get document-relative position by adding viewport scroll to viewport-relative gBCR
7930 rect = elem.getBoundingClientRect();
7931 win = elem.ownerDocument.defaultView;
7932 return {
7933 top: rect.top + win.pageYOffset,
7934 left: rect.left + win.pageXOffset
7935 };
7936 },
7937
7938 // position() relates an element's margin box to its offset parent's padding box
7939 // This corresponds to the behavior of CSS absolute positioning
7940 position: function() {
7941 if ( !this[ 0 ] ) {
7942 return;
7943 }
7944
7945 var offsetParent, offset, doc,
7946 elem = this[ 0 ],
7947 parentOffset = { top: 0, left: 0 };
7948
7949 // position:fixed elements are offset from the viewport, which itself always has zero offset
7950 if ( jQuery.css( elem, "position" ) === "fixed" ) {
7951
7952 // Assume position:fixed implies availability of getBoundingClientRect
7953 offset = elem.getBoundingClientRect();
7954
7955 } else {
7956 offset = this.offset();
7957
7958 // Account for the *real* offset parent, which can be the document or its root element
7959 // when a statically positioned element is identified
7960 doc = elem.ownerDocument;
7961 offsetParent = elem.offsetParent || doc.documentElement;
7962 while ( offsetParent &&
7963 ( offsetParent === doc.body || offsetParent === doc.documentElement ) &&
7964 jQuery.css( offsetParent, "position" ) === "static" ) {
7965
7966 offsetParent = offsetParent.parentNode;
7967 }
7968 if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
7969
7970 // Incorporate borders into its offset, since they are outside its content origin
7971 parentOffset = jQuery( offsetParent ).offset();
7972 parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true );
7973 parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true );
7974 }
7975 }
7976
7977 // Subtract parent offsets and element margins
7978 return {
7979 top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
7980 left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
7981 };
7982 },
7983
7984 // This method will return documentElement in the following cases:
7985 // 1) For the element inside the iframe without offsetParent, this method will return
7986 // documentElement of the parent window
7987 // 2) For the hidden or detached element
7988 // 3) For body or html element, i.e. in case of the html node - it will return itself
7989 //
7990 // but those exceptions were never presented as a real life use-cases
7991 // and might be considered as more preferable results.
7992 //
7993 // This logic, however, is not guaranteed and can change at any point in the future
7994 offsetParent: function() {
7995 return this.map( function() {
7996 var offsetParent = this.offsetParent;
7997
7998 while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
7999 offsetParent = offsetParent.offsetParent;
8000 }
8001
8002 return offsetParent || documentElement;
8003 } );
8004 }
8005 } );
8006
8007 // Create scrollLeft and scrollTop methods
8008 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
8009 var top = "pageYOffset" === prop;
8010
8011 jQuery.fn[ method ] = function( val ) {
8012 return access( this, function( elem, method, val ) {
8013
8014 // Coalesce documents and windows
8015 var win;
8016 if ( isWindow( elem ) ) {
8017 win = elem;
8018 } else if ( elem.nodeType === 9 ) {
8019 win = elem.defaultView;
8020 }
8021
8022 if ( val === undefined ) {
8023 return win ? win[ prop ] : elem[ method ];
8024 }
8025
8026 if ( win ) {
8027 win.scrollTo(
8028 !top ? val : win.pageXOffset,
8029 top ? val : win.pageYOffset
8030 );
8031
8032 } else {
8033 elem[ method ] = val;
8034 }
8035 }, method, val, arguments.length );
8036 };
8037 } );
8038
8039 // Support: Safari <=7 - 9.1, Chrome <=37 - 49
8040 // Add the top/left cssHooks using jQuery.fn.position
8041 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
8042 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
8043 // getComputedStyle returns percent when specified for top/left/bottom/right;
8044 // rather than make the css module depend on the offset module, just check for it here
8045 jQuery.each( [ "top", "left" ], function( i, prop ) {
8046 jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
8047 function( elem, computed ) {
8048 if ( computed ) {
8049 computed = curCSS( elem, prop );
8050
8051 // If curCSS returns percentage, fallback to offset
8052 return rnumnonpx.test( computed ) ?
8053 jQuery( elem ).position()[ prop ] + "px" :
8054 computed;
8055 }
8056 }
8057 );
8058 } );
8059
8060
8061 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
8062 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
8063 jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
8064 function( defaultExtra, funcName ) {
8065
8066 // Margin is only for outerHeight, outerWidth
8067 jQuery.fn[ funcName ] = function( margin, value ) {
8068 var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
8069 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
8070
8071 return access( this, function( elem, type, value ) {
8072 var doc;
8073
8074 if ( isWindow( elem ) ) {
8075
8076 // $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
8077 return funcName.indexOf( "outer" ) === 0 ?
8078 elem[ "inner" + name ] :
8079 elem.document.documentElement[ "client" + name ];
8080 }
8081
8082 // Get document width or height
8083 if ( elem.nodeType === 9 ) {
8084 doc = elem.documentElement;
8085
8086 // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
8087 // whichever is greatest
8088 return Math.max(
8089 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
8090 elem.body[ "offset" + name ], doc[ "offset" + name ],
8091 doc[ "client" + name ]
8092 );
8093 }
8094
8095 return value === undefined ?
8096
8097 // Get width or height on the element, requesting but not forcing parseFloat
8098 jQuery.css( elem, type, extra ) :
8099
8100 // Set width or height on the element
8101 jQuery.style( elem, type, value, extra );
8102 }, type, chainable ? margin : undefined, chainable );
8103 };
8104 } );
8105 } );
8106
8107
8108 jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
8109 "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
8110 "change select submit keydown keypress keyup contextmenu" ).split( " " ),
8111 function( i, name ) {
8112
8113 // Handle event binding
8114 jQuery.fn[ name ] = function( data, fn ) {
8115 return arguments.length > 0 ?
8116 this.on( name, null, data, fn ) :
8117 this.trigger( name );
8118 };
8119 } );
8120
8121 jQuery.fn.extend( {
8122 hover: function( fnOver, fnOut ) {
8123 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
8124 }
8125 } );
8126
8127
8128
8129
8130 jQuery.fn.extend( {
8131
8132 bind: function( types, data, fn ) {
8133 return this.on( types, null, data, fn );
8134 },
8135 unbind: function( types, fn ) {
8136 return this.off( types, null, fn );
8137 },
8138
8139 delegate: function( selector, types, data, fn ) {
8140 return this.on( types, selector, data, fn );
8141 },
8142 undelegate: function( selector, types, fn ) {
8143
8144 // ( namespace ) or ( selector, types [, fn] )
8145 return arguments.length === 1 ?
8146 this.off( selector, "**" ) :
8147 this.off( types, selector || "**", fn );
8148 }
8149 } );
8150
8151 // Bind a function to a context, optionally partially applying any
8152 // arguments.
8153 // jQuery.proxy is deprecated to promote standards (specifically Function#bind)
8154 // However, it is not slated for removal any time soon
8155 jQuery.proxy = function( fn, context ) {
8156 var tmp, args, proxy;
8157
8158 if ( typeof context === "string" ) {
8159 tmp = fn[ context ];
8160 context = fn;
8161 fn = tmp;
8162 }
8163
8164 // Quick check to determine if target is callable, in the spec
8165 // this throws a TypeError, but we will just return undefined.
8166 if ( !isFunction( fn ) ) {
8167 return undefined;
8168 }
8169
8170 // Simulated bind
8171 args = slice.call( arguments, 2 );
8172 proxy = function() {
8173 return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
8174 };
8175
8176 // Set the guid of unique handler to the same of original handler, so it can be removed
8177 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
8178
8179 return proxy;
8180 };
8181
8182 jQuery.holdReady = function( hold ) {
8183 if ( hold ) {
8184 jQuery.readyWait++;
8185 } else {
8186 jQuery.ready( true );
8187 }
8188 };
8189 jQuery.isArray = Array.isArray;
8190 jQuery.parseJSON = JSON.parse;
8191 jQuery.nodeName = nodeName;
8192 jQuery.isFunction = isFunction;
8193 jQuery.isWindow = isWindow;
8194 jQuery.camelCase = camelCase;
8195 jQuery.type = toType;
8196
8197 jQuery.now = Date.now;
8198
8199 jQuery.isNumeric = function( obj ) {
8200
8201 // As of jQuery 3.0, isNumeric is limited to
8202 // strings and numbers (primitives or objects)
8203 // that can be coerced to finite numbers (gh-2662)
8204 var type = jQuery.type( obj );
8205 return ( type === "number" || type === "string" ) &&
8206
8207 // parseFloat NaNs numeric-cast false positives ("")
8208 // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
8209 // subtraction forces infinities to NaN
8210 !isNaN( obj - parseFloat( obj ) );
8211 };
8212
8213
8214
8215
8216 // Register as a named AMD module, since jQuery can be concatenated with other
8217 // files that may use define, but not via a proper concatenation script that
8218 // understands anonymous AMD modules. A named AMD is safest and most robust
8219 // way to register. Lowercase jquery is used because AMD module names are
8220 // derived from file names, and jQuery is normally delivered in a lowercase
8221 // file name. Do this after creating the global so that if an AMD module wants
8222 // to call noConflict to hide this version of jQuery, it will work.
8223
8224 // Note that for maximum portability, libraries that are not jQuery should
8225 // declare themselves as anonymous modules, and avoid setting a global if an
8226 // AMD loader is present. jQuery is a special case. For more information, see
8227 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
8228
8229 if ( typeof define === "function" && define.amd ) {
8230 define( "jquery", [], function() {
8231 return jQuery;
8232 } );
8233 }
8234
8235
8236
8237
8238 var
8239
8240 // Map over jQuery in case of overwrite
8241 _jQuery = window.jQuery,
8242
8243 // Map over the $ in case of overwrite
8244 _$ = window.$;
8245
8246 jQuery.noConflict = function( deep ) {
8247 if ( window.$ === jQuery ) {
8248 window.$ = _$;
8249 }
8250
8251 if ( deep && window.jQuery === jQuery ) {
8252 window.jQuery = _jQuery;
8253 }
8254
8255 return jQuery;
8256 };
8257
8258 // Expose jQuery and $ identifiers, even in AMD
8259 // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
8260 // and CommonJS for browser emulators (#13566)
8261 if ( !noGlobal ) {
8262 window.jQuery = window.$ = jQuery;
8263 }
8264
8265
8266
8267
8268 return jQuery;
8269 } );