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1 | /*! |
2 | * jQuery JavaScript Library v3.1.1 | |
3 | * https://jquery.com/ | |
4 | * | |
5 | * Includes Sizzle.js | |
6 | * https://sizzlejs.com/ | |
7 | * | |
8 | * Copyright jQuery Foundation and other contributors | |
9 | * Released under the MIT license | |
10 | * https://jquery.org/license | |
11 | * | |
12 | * Date: 2016-09-22T22:30Z | |
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 | ||
75 | ||
76 | function DOMEval( code, doc ) { | |
77 | doc = doc || document; | |
78 | ||
79 | var script = doc.createElement( "script" ); | |
80 | ||
81 | script.text = code; | |
82 | doc.head.appendChild( script ).parentNode.removeChild( script ); | |
83 | } | |
84 | /* global Symbol */ | |
85 | // Defining this global in .eslintrc.json would create a danger of using the global | |
86 | // unguarded in another place, it seems safer to define global only for this module | |
87 | ||
88 | ||
89 | ||
90 | var | |
91 | version = "3.1.1", | |
92 | ||
93 | // Define a local copy of jQuery | |
94 | jQuery = function( selector, context ) { | |
95 | ||
96 | // The jQuery object is actually just the init constructor 'enhanced' | |
97 | // Need init if jQuery is called (just allow error to be thrown if not included) | |
98 | return new jQuery.fn.init( selector, context ); | |
99 | }, | |
100 | ||
101 | // Support: Android <=4.0 only | |
102 | // Make sure we trim BOM and NBSP | |
103 | rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, | |
104 | ||
105 | // Matches dashed string for camelizing | |
106 | rmsPrefix = /^-ms-/, | |
107 | rdashAlpha = /-([a-z])/g, | |
108 | ||
109 | // Used by jQuery.camelCase as callback to replace() | |
110 | fcamelCase = function( all, letter ) { | |
111 | return letter.toUpperCase(); | |
112 | }; | |
113 | ||
114 | jQuery.fn = jQuery.prototype = { | |
115 | ||
116 | // The current version of jQuery being used | |
117 | jquery: version, | |
118 | ||
119 | constructor: jQuery, | |
120 | ||
121 | // The default length of a jQuery object is 0 | |
122 | length: 0, | |
123 | ||
124 | toArray: function() { | |
125 | return slice.call( this ); | |
126 | }, | |
127 | ||
128 | // Get the Nth element in the matched element set OR | |
129 | // Get the whole matched element set as a clean array | |
130 | get: function( num ) { | |
131 | ||
132 | // Return all the elements in a clean array | |
133 | if ( num == null ) { | |
134 | return slice.call( this ); | |
135 | } | |
136 | ||
137 | // Return just the one element from the set | |
138 | return num < 0 ? this[ num + this.length ] : this[ num ]; | |
139 | }, | |
140 | ||
141 | // Take an array of elements and push it onto the stack | |
142 | // (returning the new matched element set) | |
143 | pushStack: function( elems ) { | |
144 | ||
145 | // Build a new jQuery matched element set | |
146 | var ret = jQuery.merge( this.constructor(), elems ); | |
147 | ||
148 | // Add the old object onto the stack (as a reference) | |
149 | ret.prevObject = this; | |
150 | ||
151 | // Return the newly-formed element set | |
152 | return ret; | |
153 | }, | |
154 | ||
155 | // Execute a callback for every element in the matched set. | |
156 | each: function( callback ) { | |
157 | return jQuery.each( this, callback ); | |
158 | }, | |
159 | ||
160 | map: function( callback ) { | |
161 | return this.pushStack( jQuery.map( this, function( elem, i ) { | |
162 | return callback.call( elem, i, elem ); | |
163 | } ) ); | |
164 | }, | |
165 | ||
166 | slice: function() { | |
167 | return this.pushStack( slice.apply( this, arguments ) ); | |
168 | }, | |
169 | ||
170 | first: function() { | |
171 | return this.eq( 0 ); | |
172 | }, | |
173 | ||
174 | last: function() { | |
175 | return this.eq( -1 ); | |
176 | }, | |
177 | ||
178 | eq: function( i ) { | |
179 | var len = this.length, | |
180 | j = +i + ( i < 0 ? len : 0 ); | |
181 | return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); | |
182 | }, | |
183 | ||
184 | end: function() { | |
185 | return this.prevObject || this.constructor(); | |
186 | }, | |
187 | ||
188 | // For internal use only. | |
189 | // Behaves like an Array's method, not like a jQuery method. | |
190 | push: push, | |
191 | sort: arr.sort, | |
192 | splice: arr.splice | |
193 | }; | |
194 | ||
195 | jQuery.extend = jQuery.fn.extend = function() { | |
196 | var options, name, src, copy, copyIsArray, clone, | |
197 | target = arguments[ 0 ] || {}, | |
198 | i = 1, | |
199 | length = arguments.length, | |
200 | deep = false; | |
201 | ||
202 | // Handle a deep copy situation | |
203 | if ( typeof target === "boolean" ) { | |
204 | deep = target; | |
205 | ||
206 | // Skip the boolean and the target | |
207 | target = arguments[ i ] || {}; | |
208 | i++; | |
209 | } | |
210 | ||
211 | // Handle case when target is a string or something (possible in deep copy) | |
212 | if ( typeof target !== "object" && !jQuery.isFunction( target ) ) { | |
213 | target = {}; | |
214 | } | |
215 | ||
216 | // Extend jQuery itself if only one argument is passed | |
217 | if ( i === length ) { | |
218 | target = this; | |
219 | i--; | |
220 | } | |
221 | ||
222 | for ( ; i < length; i++ ) { | |
223 | ||
224 | // Only deal with non-null/undefined values | |
225 | if ( ( options = arguments[ i ] ) != null ) { | |
226 | ||
227 | // Extend the base object | |
228 | for ( name in options ) { | |
229 | src = target[ name ]; | |
230 | copy = options[ name ]; | |
231 | ||
232 | // Prevent never-ending loop | |
233 | if ( target === copy ) { | |
234 | continue; | |
235 | } | |
236 | ||
237 | // Recurse if we're merging plain objects or arrays | |
238 | if ( deep && copy && ( jQuery.isPlainObject( copy ) || | |
239 | ( copyIsArray = jQuery.isArray( copy ) ) ) ) { | |
240 | ||
241 | if ( copyIsArray ) { | |
242 | copyIsArray = false; | |
243 | clone = src && jQuery.isArray( src ) ? src : []; | |
244 | ||
245 | } else { | |
246 | clone = src && jQuery.isPlainObject( src ) ? src : {}; | |
247 | } | |
248 | ||
249 | // Never move original objects, clone them | |
250 | target[ name ] = jQuery.extend( deep, clone, copy ); | |
251 | ||
252 | // Don't bring in undefined values | |
253 | } else if ( copy !== undefined ) { | |
254 | target[ name ] = copy; | |
255 | } | |
256 | } | |
257 | } | |
258 | } | |
259 | ||
260 | // Return the modified object | |
261 | return target; | |
262 | }; | |
263 | ||
264 | jQuery.extend( { | |
265 | ||
266 | // Unique for each copy of jQuery on the page | |
267 | expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ), | |
268 | ||
269 | // Assume jQuery is ready without the ready module | |
270 | isReady: true, | |
271 | ||
272 | error: function( msg ) { | |
273 | throw new Error( msg ); | |
274 | }, | |
275 | ||
276 | noop: function() {}, | |
277 | ||
278 | isFunction: function( obj ) { | |
279 | return jQuery.type( obj ) === "function"; | |
280 | }, | |
281 | ||
282 | isArray: Array.isArray, | |
283 | ||
284 | isWindow: function( obj ) { | |
285 | return obj != null && obj === obj.window; | |
286 | }, | |
287 | ||
288 | isNumeric: function( obj ) { | |
289 | ||
290 | // As of jQuery 3.0, isNumeric is limited to | |
291 | // strings and numbers (primitives or objects) | |
292 | // that can be coerced to finite numbers (gh-2662) | |
293 | var type = jQuery.type( obj ); | |
294 | return ( type === "number" || type === "string" ) && | |
295 | ||
296 | // parseFloat NaNs numeric-cast false positives ("") | |
297 | // ...but misinterprets leading-number strings, particularly hex literals ("0x...") | |
298 | // subtraction forces infinities to NaN | |
299 | !isNaN( obj - parseFloat( obj ) ); | |
300 | }, | |
301 | ||
302 | isPlainObject: function( obj ) { | |
303 | var proto, Ctor; | |
304 | ||
305 | // Detect obvious negatives | |
306 | // Use toString instead of jQuery.type to catch host objects | |
307 | if ( !obj || toString.call( obj ) !== "[object Object]" ) { | |
308 | return false; | |
309 | } | |
310 | ||
311 | proto = getProto( obj ); | |
312 | ||
313 | // Objects with no prototype (e.g., `Object.create( null )`) are plain | |
314 | if ( !proto ) { | |
315 | return true; | |
316 | } | |
317 | ||
318 | // Objects with prototype are plain iff they were constructed by a global Object function | |
319 | Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; | |
320 | return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; | |
321 | }, | |
322 | ||
323 | isEmptyObject: function( obj ) { | |
324 | ||
325 | /* eslint-disable no-unused-vars */ | |
326 | // See https://github.com/eslint/eslint/issues/6125 | |
327 | var name; | |
328 | ||
329 | for ( name in obj ) { | |
330 | return false; | |
331 | } | |
332 | return true; | |
333 | }, | |
334 | ||
335 | type: function( obj ) { | |
336 | if ( obj == null ) { | |
337 | return obj + ""; | |
338 | } | |
339 | ||
340 | // Support: Android <=2.3 only (functionish RegExp) | |
341 | return typeof obj === "object" || typeof obj === "function" ? | |
342 | class2type[ toString.call( obj ) ] || "object" : | |
343 | typeof obj; | |
344 | }, | |
345 | ||
346 | // Evaluates a script in a global context | |
347 | globalEval: function( code ) { | |
348 | DOMEval( code ); | |
349 | }, | |
350 | ||
351 | // Convert dashed to camelCase; used by the css and data modules | |
352 | // Support: IE <=9 - 11, Edge 12 - 13 | |
353 | // Microsoft forgot to hump their vendor prefix (#9572) | |
354 | camelCase: function( string ) { | |
355 | return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); | |
356 | }, | |
357 | ||
358 | nodeName: function( elem, name ) { | |
359 | return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); | |
360 | }, | |
361 | ||
362 | each: function( obj, callback ) { | |
363 | var length, i = 0; | |
364 | ||
365 | if ( isArrayLike( obj ) ) { | |
366 | length = obj.length; | |
367 | for ( ; i < length; i++ ) { | |
368 | if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { | |
369 | break; | |
370 | } | |
371 | } | |
372 | } else { | |
373 | for ( i in obj ) { | |
374 | if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { | |
375 | break; | |
376 | } | |
377 | } | |
378 | } | |
379 | ||
380 | return obj; | |
381 | }, | |
382 | ||
383 | // Support: Android <=4.0 only | |
384 | trim: function( text ) { | |
385 | return text == null ? | |
386 | "" : | |
387 | ( text + "" ).replace( rtrim, "" ); | |
388 | }, | |
389 | ||
390 | // results is for internal usage only | |
391 | makeArray: function( arr, results ) { | |
392 | var ret = results || []; | |
393 | ||
394 | if ( arr != null ) { | |
395 | if ( isArrayLike( Object( arr ) ) ) { | |
396 | jQuery.merge( ret, | |
397 | typeof arr === "string" ? | |
398 | [ arr ] : arr | |
399 | ); | |
400 | } else { | |
401 | push.call( ret, arr ); | |
402 | } | |
403 | } | |
404 | ||
405 | return ret; | |
406 | }, | |
407 | ||
408 | inArray: function( elem, arr, i ) { | |
409 | return arr == null ? -1 : indexOf.call( arr, elem, i ); | |
410 | }, | |
411 | ||
412 | // Support: Android <=4.0 only, PhantomJS 1 only | |
413 | // push.apply(_, arraylike) throws on ancient WebKit | |
414 | merge: function( first, second ) { | |
415 | var len = +second.length, | |
416 | j = 0, | |
417 | i = first.length; | |
418 | ||
419 | for ( ; j < len; j++ ) { | |
420 | first[ i++ ] = second[ j ]; | |
421 | } | |
422 | ||
423 | first.length = i; | |
424 | ||
425 | return first; | |
426 | }, | |
427 | ||
428 | grep: function( elems, callback, invert ) { | |
429 | var callbackInverse, | |
430 | matches = [], | |
431 | i = 0, | |
432 | length = elems.length, | |
433 | callbackExpect = !invert; | |
434 | ||
435 | // Go through the array, only saving the items | |
436 | // that pass the validator function | |
437 | for ( ; i < length; i++ ) { | |
438 | callbackInverse = !callback( elems[ i ], i ); | |
439 | if ( callbackInverse !== callbackExpect ) { | |
440 | matches.push( elems[ i ] ); | |
441 | } | |
442 | } | |
443 | ||
444 | return matches; | |
445 | }, | |
446 | ||
447 | // arg is for internal usage only | |
448 | map: function( elems, callback, arg ) { | |
449 | var length, value, | |
450 | i = 0, | |
451 | ret = []; | |
452 | ||
453 | // Go through the array, translating each of the items to their new values | |
454 | if ( isArrayLike( elems ) ) { | |
455 | length = elems.length; | |
456 | for ( ; i < length; i++ ) { | |
457 | value = callback( elems[ i ], i, arg ); | |
458 | ||
459 | if ( value != null ) { | |
460 | ret.push( value ); | |
461 | } | |
462 | } | |
463 | ||
464 | // Go through every key on the object, | |
465 | } else { | |
466 | for ( i in elems ) { | |
467 | value = callback( elems[ i ], i, arg ); | |
468 | ||
469 | if ( value != null ) { | |
470 | ret.push( value ); | |
471 | } | |
472 | } | |
473 | } | |
474 | ||
475 | // Flatten any nested arrays | |
476 | return concat.apply( [], ret ); | |
477 | }, | |
478 | ||
479 | // A global GUID counter for objects | |
480 | guid: 1, | |
481 | ||
482 | // Bind a function to a context, optionally partially applying any | |
483 | // arguments. | |
484 | proxy: function( fn, context ) { | |
485 | var tmp, args, proxy; | |
486 | ||
487 | if ( typeof context === "string" ) { | |
488 | tmp = fn[ context ]; | |
489 | context = fn; | |
490 | fn = tmp; | |
491 | } | |
492 | ||
493 | // Quick check to determine if target is callable, in the spec | |
494 | // this throws a TypeError, but we will just return undefined. | |
495 | if ( !jQuery.isFunction( fn ) ) { | |
496 | return undefined; | |
497 | } | |
498 | ||
499 | // Simulated bind | |
500 | args = slice.call( arguments, 2 ); | |
501 | proxy = function() { | |
502 | return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); | |
503 | }; | |
504 | ||
505 | // Set the guid of unique handler to the same of original handler, so it can be removed | |
506 | proxy.guid = fn.guid = fn.guid || jQuery.guid++; | |
507 | ||
508 | return proxy; | |
509 | }, | |
510 | ||
511 | now: Date.now, | |
512 | ||
513 | // jQuery.support is not used in Core but other projects attach their | |
514 | // properties to it so it needs to exist. | |
515 | support: support | |
516 | } ); | |
517 | ||
518 | if ( typeof Symbol === "function" ) { | |
519 | jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; | |
520 | } | |
521 | ||
522 | // Populate the class2type map | |
523 | jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), | |
524 | function( i, name ) { | |
525 | class2type[ "[object " + name + "]" ] = name.toLowerCase(); | |
526 | } ); | |
527 | ||
528 | function isArrayLike( obj ) { | |
529 | ||
530 | // Support: real iOS 8.2 only (not reproducible in simulator) | |
531 | // `in` check used to prevent JIT error (gh-2145) | |
532 | // hasOwn isn't used here due to false negatives | |
533 | // regarding Nodelist length in IE | |
534 | var length = !!obj && "length" in obj && obj.length, | |
535 | type = jQuery.type( obj ); | |
536 | ||
537 | if ( type === "function" || jQuery.isWindow( obj ) ) { | |
538 | return false; | |
539 | } | |
540 | ||
541 | return type === "array" || length === 0 || | |
542 | typeof length === "number" && length > 0 && ( length - 1 ) in obj; | |
543 | } | |
544 | var Sizzle = | |
545 | /*! | |
546 | * Sizzle CSS Selector Engine v2.3.3 | |
547 | * https://sizzlejs.com/ | |
548 | * | |
549 | * Copyright jQuery Foundation and other contributors | |
550 | * Released under the MIT license | |
551 | * http://jquery.org/license | |
552 | * | |
553 | * Date: 2016-08-08 | |
554 | */ | |
555 | (function( window ) { | |
556 | ||
557 | var i, | |
558 | support, | |
559 | Expr, | |
560 | getText, | |
561 | isXML, | |
562 | tokenize, | |
563 | compile, | |
564 | select, | |
565 | outermostContext, | |
566 | sortInput, | |
567 | hasDuplicate, | |
568 | ||
569 | // Local document vars | |
570 | setDocument, | |
571 | document, | |
572 | docElem, | |
573 | documentIsHTML, | |
574 | rbuggyQSA, | |
575 | rbuggyMatches, | |
576 | matches, | |
577 | contains, | |
578 | ||
579 | // Instance-specific data | |
580 | expando = "sizzle" + 1 * new Date(), | |
581 | preferredDoc = window.document, | |
582 | dirruns = 0, | |
583 | done = 0, | |
584 | classCache = createCache(), | |
585 | tokenCache = createCache(), | |
586 | compilerCache = createCache(), | |
587 | sortOrder = function( a, b ) { | |
588 | if ( a === b ) { | |
589 | hasDuplicate = true; | |
590 | } | |
591 | return 0; | |
592 | }, | |
593 | ||
594 | // Instance methods | |
595 | hasOwn = ({}).hasOwnProperty, | |
596 | arr = [], | |
597 | pop = arr.pop, | |
598 | push_native = arr.push, | |
599 | push = arr.push, | |
600 | slice = arr.slice, | |
601 | // Use a stripped-down indexOf as it's faster than native | |
602 | // https://jsperf.com/thor-indexof-vs-for/5 | |
603 | indexOf = function( list, elem ) { | |
604 | var i = 0, | |
605 | len = list.length; | |
606 | for ( ; i < len; i++ ) { | |
607 | if ( list[i] === elem ) { | |
608 | return i; | |
609 | } | |
610 | } | |
611 | return -1; | |
612 | }, | |
613 | ||
614 | booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", | |
615 | ||
616 | // Regular expressions | |
617 | ||
618 | // http://www.w3.org/TR/css3-selectors/#whitespace | |
619 | whitespace = "[\\x20\\t\\r\\n\\f]", | |
620 | ||
621 | // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier | |
622 | identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+", | |
623 | ||
624 | // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors | |
625 | attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + | |
626 | // Operator (capture 2) | |
627 | "*([*^$|!~]?=)" + whitespace + | |
628 | // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" | |
629 | "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + | |
630 | "*\\]", | |
631 | ||
632 | pseudos = ":(" + identifier + ")(?:\\((" + | |
633 | // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: | |
634 | // 1. quoted (capture 3; capture 4 or capture 5) | |
635 | "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + | |
636 | // 2. simple (capture 6) | |
637 | "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + | |
638 | // 3. anything else (capture 2) | |
639 | ".*" + | |
640 | ")\\)|)", | |
641 | ||
642 | // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter | |
643 | rwhitespace = new RegExp( whitespace + "+", "g" ), | |
644 | rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), | |
645 | ||
646 | rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), | |
647 | rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), | |
648 | ||
649 | rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), | |
650 | ||
651 | rpseudo = new RegExp( pseudos ), | |
652 | ridentifier = new RegExp( "^" + identifier + "$" ), | |
653 | ||
654 | matchExpr = { | |
655 | "ID": new RegExp( "^#(" + identifier + ")" ), | |
656 | "CLASS": new RegExp( "^\\.(" + identifier + ")" ), | |
657 | "TAG": new RegExp( "^(" + identifier + "|[*])" ), | |
658 | "ATTR": new RegExp( "^" + attributes ), | |
659 | "PSEUDO": new RegExp( "^" + pseudos ), | |
660 | "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + | |
661 | "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + | |
662 | "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), | |
663 | "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), | |
664 | // For use in libraries implementing .is() | |
665 | // We use this for POS matching in `select` | |
666 | "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + | |
667 | whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) | |
668 | }, | |
669 | ||
670 | rinputs = /^(?:input|select|textarea|button)$/i, | |
671 | rheader = /^h\d$/i, | |
672 | ||
673 | rnative = /^[^{]+\{\s*\[native \w/, | |
674 | ||
675 | // Easily-parseable/retrievable ID or TAG or CLASS selectors | |
676 | rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, | |
677 | ||
678 | rsibling = /[+~]/, | |
679 | ||
680 | // CSS escapes | |
681 | // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters | |
682 | runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), | |
683 | funescape = function( _, escaped, escapedWhitespace ) { | |
684 | var high = "0x" + escaped - 0x10000; | |
685 | // NaN means non-codepoint | |
686 | // Support: Firefox<24 | |
687 | // Workaround erroneous numeric interpretation of +"0x" | |
688 | return high !== high || escapedWhitespace ? | |
689 | escaped : | |
690 | high < 0 ? | |
691 | // BMP codepoint | |
692 | String.fromCharCode( high + 0x10000 ) : | |
693 | // Supplemental Plane codepoint (surrogate pair) | |
694 | String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); | |
695 | }, | |
696 | ||
697 | // CSS string/identifier serialization | |
698 | // https://drafts.csswg.org/cssom/#common-serializing-idioms | |
699 | rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g, | |
700 | fcssescape = function( ch, asCodePoint ) { | |
701 | if ( asCodePoint ) { | |
702 | ||
703 | // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER | |
704 | if ( ch === "\0" ) { | |
705 | return "\uFFFD"; | |
706 | } | |
707 | ||
708 | // Control characters and (dependent upon position) numbers get escaped as code points | |
709 | return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; | |
710 | } | |
711 | ||
712 | // Other potentially-special ASCII characters get backslash-escaped | |
713 | return "\\" + ch; | |
714 | }, | |
715 | ||
716 | // Used for iframes | |
717 | // See setDocument() | |
718 | // Removing the function wrapper causes a "Permission Denied" | |
719 | // error in IE | |
720 | unloadHandler = function() { | |
721 | setDocument(); | |
722 | }, | |
723 | ||
724 | disabledAncestor = addCombinator( | |
725 | function( elem ) { | |
726 | return elem.disabled === true && ("form" in elem || "label" in elem); | |
727 | }, | |
728 | { dir: "parentNode", next: "legend" } | |
729 | ); | |
730 | ||
731 | // Optimize for push.apply( _, NodeList ) | |
732 | try { | |
733 | push.apply( | |
734 | (arr = slice.call( preferredDoc.childNodes )), | |
735 | preferredDoc.childNodes | |
736 | ); | |
737 | // Support: Android<4.0 | |
738 | // Detect silently failing push.apply | |
739 | arr[ preferredDoc.childNodes.length ].nodeType; | |
740 | } catch ( e ) { | |
741 | push = { apply: arr.length ? | |
742 | ||
743 | // Leverage slice if possible | |
744 | function( target, els ) { | |
745 | push_native.apply( target, slice.call(els) ); | |
746 | } : | |
747 | ||
748 | // Support: IE<9 | |
749 | // Otherwise append directly | |
750 | function( target, els ) { | |
751 | var j = target.length, | |
752 | i = 0; | |
753 | // Can't trust NodeList.length | |
754 | while ( (target[j++] = els[i++]) ) {} | |
755 | target.length = j - 1; | |
756 | } | |
757 | }; | |
758 | } | |
759 | ||
760 | function Sizzle( selector, context, results, seed ) { | |
761 | var m, i, elem, nid, match, groups, newSelector, | |
762 | newContext = context && context.ownerDocument, | |
763 | ||
764 | // nodeType defaults to 9, since context defaults to document | |
765 | nodeType = context ? context.nodeType : 9; | |
766 | ||
767 | results = results || []; | |
768 | ||
769 | // Return early from calls with invalid selector or context | |
770 | if ( typeof selector !== "string" || !selector || | |
771 | nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { | |
772 | ||
773 | return results; | |
774 | } | |
775 | ||
776 | // Try to shortcut find operations (as opposed to filters) in HTML documents | |
777 | if ( !seed ) { | |
778 | ||
779 | if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { | |
780 | setDocument( context ); | |
781 | } | |
782 | context = context || document; | |
783 | ||
784 | if ( documentIsHTML ) { | |
785 | ||
786 | // If the selector is sufficiently simple, try using a "get*By*" DOM method | |
787 | // (excepting DocumentFragment context, where the methods don't exist) | |
788 | if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { | |
789 | ||
790 | // ID selector | |
791 | if ( (m = match[1]) ) { | |
792 | ||
793 | // Document context | |
794 | if ( nodeType === 9 ) { | |
795 | if ( (elem = context.getElementById( m )) ) { | |
796 | ||
797 | // Support: IE, Opera, Webkit | |
798 | // TODO: identify versions | |
799 | // getElementById can match elements by name instead of ID | |
800 | if ( elem.id === m ) { | |
801 | results.push( elem ); | |
802 | return results; | |
803 | } | |
804 | } else { | |
805 | return results; | |
806 | } | |
807 | ||
808 | // Element context | |
809 | } else { | |
810 | ||
811 | // Support: IE, Opera, Webkit | |
812 | // TODO: identify versions | |
813 | // getElementById can match elements by name instead of ID | |
814 | if ( newContext && (elem = newContext.getElementById( m )) && | |
815 | contains( context, elem ) && | |
816 | elem.id === m ) { | |
817 | ||
818 | results.push( elem ); | |
819 | return results; | |
820 | } | |
821 | } | |
822 | ||
823 | // Type selector | |
824 | } else if ( match[2] ) { | |
825 | push.apply( results, context.getElementsByTagName( selector ) ); | |
826 | return results; | |
827 | ||
828 | // Class selector | |
829 | } else if ( (m = match[3]) && support.getElementsByClassName && | |
830 | context.getElementsByClassName ) { | |
831 | ||
832 | push.apply( results, context.getElementsByClassName( m ) ); | |
833 | return results; | |
834 | } | |
835 | } | |
836 | ||
837 | // Take advantage of querySelectorAll | |
838 | if ( support.qsa && | |
839 | !compilerCache[ selector + " " ] && | |
840 | (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { | |
841 | ||
842 | if ( nodeType !== 1 ) { | |
843 | newContext = context; | |
844 | newSelector = selector; | |
845 | ||
846 | // qSA looks outside Element context, which is not what we want | |
847 | // Thanks to Andrew Dupont for this workaround technique | |
848 | // Support: IE <=8 | |
849 | // Exclude object elements | |
850 | } else if ( context.nodeName.toLowerCase() !== "object" ) { | |
851 | ||
852 | // Capture the context ID, setting it first if necessary | |
853 | if ( (nid = context.getAttribute( "id" )) ) { | |
854 | nid = nid.replace( rcssescape, fcssescape ); | |
855 | } else { | |
856 | context.setAttribute( "id", (nid = expando) ); | |
857 | } | |
858 | ||
859 | // Prefix every selector in the list | |
860 | groups = tokenize( selector ); | |
861 | i = groups.length; | |
862 | while ( i-- ) { | |
863 | groups[i] = "#" + nid + " " + toSelector( groups[i] ); | |
864 | } | |
865 | newSelector = groups.join( "," ); | |
866 | ||
867 | // Expand context for sibling selectors | |
868 | newContext = rsibling.test( selector ) && testContext( context.parentNode ) || | |
869 | context; | |
870 | } | |
871 | ||
872 | if ( newSelector ) { | |
873 | try { | |
874 | push.apply( results, | |
875 | newContext.querySelectorAll( newSelector ) | |
876 | ); | |
877 | return results; | |
878 | } catch ( qsaError ) { | |
879 | } finally { | |
880 | if ( nid === expando ) { | |
881 | context.removeAttribute( "id" ); | |
882 | } | |
883 | } | |
884 | } | |
885 | } | |
886 | } | |
887 | } | |
888 | ||
889 | // All others | |
890 | return select( selector.replace( rtrim, "$1" ), context, results, seed ); | |
891 | } | |
892 | ||
893 | /** | |
894 | * Create key-value caches of limited size | |
895 | * @returns {function(string, object)} Returns the Object data after storing it on itself with | |
896 | * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) | |
897 | * deleting the oldest entry | |
898 | */ | |
899 | function createCache() { | |
900 | var keys = []; | |
901 | ||
902 | function cache( key, value ) { | |
903 | // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) | |
904 | if ( keys.push( key + " " ) > Expr.cacheLength ) { | |
905 | // Only keep the most recent entries | |
906 | delete cache[ keys.shift() ]; | |
907 | } | |
908 | return (cache[ key + " " ] = value); | |
909 | } | |
910 | return cache; | |
911 | } | |
912 | ||
913 | /** | |
914 | * Mark a function for special use by Sizzle | |
915 | * @param {Function} fn The function to mark | |
916 | */ | |
917 | function markFunction( fn ) { | |
918 | fn[ expando ] = true; | |
919 | return fn; | |
920 | } | |
921 | ||
922 | /** | |
923 | * Support testing using an element | |
924 | * @param {Function} fn Passed the created element and returns a boolean result | |
925 | */ | |
926 | function assert( fn ) { | |
927 | var el = document.createElement("fieldset"); | |
928 | ||
929 | try { | |
930 | return !!fn( el ); | |
931 | } catch (e) { | |
932 | return false; | |
933 | } finally { | |
934 | // Remove from its parent by default | |
935 | if ( el.parentNode ) { | |
936 | el.parentNode.removeChild( el ); | |
937 | } | |
938 | // release memory in IE | |
939 | el = null; | |
940 | } | |
941 | } | |
942 | ||
943 | /** | |
944 | * Adds the same handler for all of the specified attrs | |
945 | * @param {String} attrs Pipe-separated list of attributes | |
946 | * @param {Function} handler The method that will be applied | |
947 | */ | |
948 | function addHandle( attrs, handler ) { | |
949 | var arr = attrs.split("|"), | |
950 | i = arr.length; | |
951 | ||
952 | while ( i-- ) { | |
953 | Expr.attrHandle[ arr[i] ] = handler; | |
954 | } | |
955 | } | |
956 | ||
957 | /** | |
958 | * Checks document order of two siblings | |
959 | * @param {Element} a | |
960 | * @param {Element} b | |
961 | * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b | |
962 | */ | |
963 | function siblingCheck( a, b ) { | |
964 | var cur = b && a, | |
965 | diff = cur && a.nodeType === 1 && b.nodeType === 1 && | |
966 | a.sourceIndex - b.sourceIndex; | |
967 | ||
968 | // Use IE sourceIndex if available on both nodes | |
969 | if ( diff ) { | |
970 | return diff; | |
971 | } | |
972 | ||
973 | // Check if b follows a | |
974 | if ( cur ) { | |
975 | while ( (cur = cur.nextSibling) ) { | |
976 | if ( cur === b ) { | |
977 | return -1; | |
978 | } | |
979 | } | |
980 | } | |
981 | ||
982 | return a ? 1 : -1; | |
983 | } | |
984 | ||
985 | /** | |
986 | * Returns a function to use in pseudos for input types | |
987 | * @param {String} type | |
988 | */ | |
989 | function createInputPseudo( type ) { | |
990 | return function( elem ) { | |
991 | var name = elem.nodeName.toLowerCase(); | |
992 | return name === "input" && elem.type === type; | |
993 | }; | |
994 | } | |
995 | ||
996 | /** | |
997 | * Returns a function to use in pseudos for buttons | |
998 | * @param {String} type | |
999 | */ | |
1000 | function createButtonPseudo( type ) { | |
1001 | return function( elem ) { | |
1002 | var name = elem.nodeName.toLowerCase(); | |
1003 | return (name === "input" || name === "button") && elem.type === type; | |
1004 | }; | |
1005 | } | |
1006 | ||
1007 | /** | |
1008 | * Returns a function to use in pseudos for :enabled/:disabled | |
1009 | * @param {Boolean} disabled true for :disabled; false for :enabled | |
1010 | */ | |
1011 | function createDisabledPseudo( disabled ) { | |
1012 | ||
1013 | // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable | |
1014 | return function( elem ) { | |
1015 | ||
1016 | // Only certain elements can match :enabled or :disabled | |
1017 | // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled | |
1018 | // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled | |
1019 | if ( "form" in elem ) { | |
1020 | ||
1021 | // Check for inherited disabledness on relevant non-disabled elements: | |
1022 | // * listed form-associated elements in a disabled fieldset | |
1023 | // https://html.spec.whatwg.org/multipage/forms.html#category-listed | |
1024 | // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled | |
1025 | // * option elements in a disabled optgroup | |
1026 | // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled | |
1027 | // All such elements have a "form" property. | |
1028 | if ( elem.parentNode && elem.disabled === false ) { | |
1029 | ||
1030 | // Option elements defer to a parent optgroup if present | |
1031 | if ( "label" in elem ) { | |
1032 | if ( "label" in elem.parentNode ) { | |
1033 | return elem.parentNode.disabled === disabled; | |
1034 | } else { | |
1035 | return elem.disabled === disabled; | |
1036 | } | |
1037 | } | |
1038 | ||
1039 | // Support: IE 6 - 11 | |
1040 | // Use the isDisabled shortcut property to check for disabled fieldset ancestors | |
1041 | return elem.isDisabled === disabled || | |
1042 | ||
1043 | // Where there is no isDisabled, check manually | |
1044 | /* jshint -W018 */ | |
1045 | elem.isDisabled !== !disabled && | |
1046 | disabledAncestor( elem ) === disabled; | |
1047 | } | |
1048 | ||
1049 | return elem.disabled === disabled; | |
1050 | ||
1051 | // Try to winnow out elements that can't be disabled before trusting the disabled property. | |
1052 | // Some victims get caught in our net (label, legend, menu, track), but it shouldn't | |
1053 | // even exist on them, let alone have a boolean value. | |
1054 | } else if ( "label" in elem ) { | |
1055 | return elem.disabled === disabled; | |
1056 | } | |
1057 | ||
1058 | // Remaining elements are neither :enabled nor :disabled | |
1059 | return false; | |
1060 | }; | |
1061 | } | |
1062 | ||
1063 | /** | |
1064 | * Returns a function to use in pseudos for positionals | |
1065 | * @param {Function} fn | |
1066 | */ | |
1067 | function createPositionalPseudo( fn ) { | |
1068 | return markFunction(function( argument ) { | |
1069 | argument = +argument; | |
1070 | return markFunction(function( seed, matches ) { | |
1071 | var j, | |
1072 | matchIndexes = fn( [], seed.length, argument ), | |
1073 | i = matchIndexes.length; | |
1074 | ||
1075 | // Match elements found at the specified indexes | |
1076 | while ( i-- ) { | |
1077 | if ( seed[ (j = matchIndexes[i]) ] ) { | |
1078 | seed[j] = !(matches[j] = seed[j]); | |
1079 | } | |
1080 | } | |
1081 | }); | |
1082 | }); | |
1083 | } | |
1084 | ||
1085 | /** | |
1086 | * Checks a node for validity as a Sizzle context | |
1087 | * @param {Element|Object=} context | |
1088 | * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value | |
1089 | */ | |
1090 | function testContext( context ) { | |
1091 | return context && typeof context.getElementsByTagName !== "undefined" && context; | |
1092 | } | |
1093 | ||
1094 | // Expose support vars for convenience | |
1095 | support = Sizzle.support = {}; | |
1096 | ||
1097 | /** | |
1098 | * Detects XML nodes | |
1099 | * @param {Element|Object} elem An element or a document | |
1100 | * @returns {Boolean} True iff elem is a non-HTML XML node | |
1101 | */ | |
1102 | isXML = Sizzle.isXML = function( elem ) { | |
1103 | // documentElement is verified for cases where it doesn't yet exist | |
1104 | // (such as loading iframes in IE - #4833) | |
1105 | var documentElement = elem && (elem.ownerDocument || elem).documentElement; | |
1106 | return documentElement ? documentElement.nodeName !== "HTML" : false; | |
1107 | }; | |
1108 | ||
1109 | /** | |
1110 | * Sets document-related variables once based on the current document | |
1111 | * @param {Element|Object} [doc] An element or document object to use to set the document | |
1112 | * @returns {Object} Returns the current document | |
1113 | */ | |
1114 | setDocument = Sizzle.setDocument = function( node ) { | |
1115 | var hasCompare, subWindow, | |
1116 | doc = node ? node.ownerDocument || node : preferredDoc; | |
1117 | ||
1118 | // Return early if doc is invalid or already selected | |
1119 | if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { | |
1120 | return document; | |
1121 | } | |
1122 | ||
1123 | // Update global variables | |
1124 | document = doc; | |
1125 | docElem = document.documentElement; | |
1126 | documentIsHTML = !isXML( document ); | |
1127 | ||
1128 | // Support: IE 9-11, Edge | |
1129 | // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) | |
1130 | if ( preferredDoc !== document && | |
1131 | (subWindow = document.defaultView) && subWindow.top !== subWindow ) { | |
1132 | ||
1133 | // Support: IE 11, Edge | |
1134 | if ( subWindow.addEventListener ) { | |
1135 | subWindow.addEventListener( "unload", unloadHandler, false ); | |
1136 | ||
1137 | // Support: IE 9 - 10 only | |
1138 | } else if ( subWindow.attachEvent ) { | |
1139 | subWindow.attachEvent( "onunload", unloadHandler ); | |
1140 | } | |
1141 | } | |
1142 | ||
1143 | /* Attributes | |
1144 | ---------------------------------------------------------------------- */ | |
1145 | ||
1146 | // Support: IE<8 | |
1147 | // Verify that getAttribute really returns attributes and not properties | |
1148 | // (excepting IE8 booleans) | |
1149 | support.attributes = assert(function( el ) { | |
1150 | el.className = "i"; | |
1151 | return !el.getAttribute("className"); | |
1152 | }); | |
1153 | ||
1154 | /* getElement(s)By* | |
1155 | ---------------------------------------------------------------------- */ | |
1156 | ||
1157 | // Check if getElementsByTagName("*") returns only elements | |
1158 | support.getElementsByTagName = assert(function( el ) { | |
1159 | el.appendChild( document.createComment("") ); | |
1160 | return !el.getElementsByTagName("*").length; | |
1161 | }); | |
1162 | ||
1163 | // Support: IE<9 | |
1164 | support.getElementsByClassName = rnative.test( document.getElementsByClassName ); | |
1165 | ||
1166 | // Support: IE<10 | |
1167 | // Check if getElementById returns elements by name | |
1168 | // The broken getElementById methods don't pick up programmatically-set names, | |
1169 | // so use a roundabout getElementsByName test | |
1170 | support.getById = assert(function( el ) { | |
1171 | docElem.appendChild( el ).id = expando; | |
1172 | return !document.getElementsByName || !document.getElementsByName( expando ).length; | |
1173 | }); | |
1174 | ||
1175 | // ID filter and find | |
1176 | if ( support.getById ) { | |
1177 | Expr.filter["ID"] = function( id ) { | |
1178 | var attrId = id.replace( runescape, funescape ); | |
1179 | return function( elem ) { | |
1180 | return elem.getAttribute("id") === attrId; | |
1181 | }; | |
1182 | }; | |
1183 | Expr.find["ID"] = function( id, context ) { | |
1184 | if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { | |
1185 | var elem = context.getElementById( id ); | |
1186 | return elem ? [ elem ] : []; | |
1187 | } | |
1188 | }; | |
1189 | } else { | |
1190 | Expr.filter["ID"] = function( id ) { | |
1191 | var attrId = id.replace( runescape, funescape ); | |
1192 | return function( elem ) { | |
1193 | var node = typeof elem.getAttributeNode !== "undefined" && | |
1194 | elem.getAttributeNode("id"); | |
1195 | return node && node.value === attrId; | |
1196 | }; | |
1197 | }; | |
1198 | ||
1199 | // Support: IE 6 - 7 only | |
1200 | // getElementById is not reliable as a find shortcut | |
1201 | Expr.find["ID"] = function( id, context ) { | |
1202 | if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { | |
1203 | var node, i, elems, | |
1204 | elem = context.getElementById( id ); | |
1205 | ||
1206 | if ( elem ) { | |
1207 | ||
1208 | // Verify the id attribute | |
1209 | node = elem.getAttributeNode("id"); | |
1210 | if ( node && node.value === id ) { | |
1211 | return [ elem ]; | |
1212 | } | |
1213 | ||
1214 | // Fall back on getElementsByName | |
1215 | elems = context.getElementsByName( id ); | |
1216 | i = 0; | |
1217 | while ( (elem = elems[i++]) ) { | |
1218 | node = elem.getAttributeNode("id"); | |
1219 | if ( node && node.value === id ) { | |
1220 | return [ elem ]; | |
1221 | } | |
1222 | } | |
1223 | } | |
1224 | ||
1225 | return []; | |
1226 | } | |
1227 | }; | |
1228 | } | |
1229 | ||
1230 | // Tag | |
1231 | Expr.find["TAG"] = support.getElementsByTagName ? | |
1232 | function( tag, context ) { | |
1233 | if ( typeof context.getElementsByTagName !== "undefined" ) { | |
1234 | return context.getElementsByTagName( tag ); | |
1235 | ||
1236 | // DocumentFragment nodes don't have gEBTN | |
1237 | } else if ( support.qsa ) { | |
1238 | return context.querySelectorAll( tag ); | |
1239 | } | |
1240 | } : | |
1241 | ||
1242 | function( tag, context ) { | |
1243 | var elem, | |
1244 | tmp = [], | |
1245 | i = 0, | |
1246 | // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too | |
1247 | results = context.getElementsByTagName( tag ); | |
1248 | ||
1249 | // Filter out possible comments | |
1250 | if ( tag === "*" ) { | |
1251 | while ( (elem = results[i++]) ) { | |
1252 | if ( elem.nodeType === 1 ) { | |
1253 | tmp.push( elem ); | |
1254 | } | |
1255 | } | |
1256 | ||
1257 | return tmp; | |
1258 | } | |
1259 | return results; | |
1260 | }; | |
1261 | ||
1262 | // Class | |
1263 | Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { | |
1264 | if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { | |
1265 | return context.getElementsByClassName( className ); | |
1266 | } | |
1267 | }; | |
1268 | ||
1269 | /* QSA/matchesSelector | |
1270 | ---------------------------------------------------------------------- */ | |
1271 | ||
1272 | // QSA and matchesSelector support | |
1273 | ||
1274 | // matchesSelector(:active) reports false when true (IE9/Opera 11.5) | |
1275 | rbuggyMatches = []; | |
1276 | ||
1277 | // qSa(:focus) reports false when true (Chrome 21) | |
1278 | // We allow this because of a bug in IE8/9 that throws an error | |
1279 | // whenever `document.activeElement` is accessed on an iframe | |
1280 | // So, we allow :focus to pass through QSA all the time to avoid the IE error | |
1281 | // See https://bugs.jquery.com/ticket/13378 | |
1282 | rbuggyQSA = []; | |
1283 | ||
1284 | if ( (support.qsa = rnative.test( document.querySelectorAll )) ) { | |
1285 | // Build QSA regex | |
1286 | // Regex strategy adopted from Diego Perini | |
1287 | assert(function( el ) { | |
1288 | // Select is set to empty string on purpose | |
1289 | // This is to test IE's treatment of not explicitly | |
1290 | // setting a boolean content attribute, | |
1291 | // since its presence should be enough | |
1292 | // https://bugs.jquery.com/ticket/12359 | |
1293 | docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" + | |
1294 | "<select id='" + expando + "-\r\\' msallowcapture=''>" + | |
1295 | "<option selected=''></option></select>"; | |
1296 | ||
1297 | // Support: IE8, Opera 11-12.16 | |
1298 | // Nothing should be selected when empty strings follow ^= or $= or *= | |
1299 | // The test attribute must be unknown in Opera but "safe" for WinRT | |
1300 | // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section | |
1301 | if ( el.querySelectorAll("[msallowcapture^='']").length ) { | |
1302 | rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); | |
1303 | } | |
1304 | ||
1305 | // Support: IE8 | |
1306 | // Boolean attributes and "value" are not treated correctly | |
1307 | if ( !el.querySelectorAll("[selected]").length ) { | |
1308 | rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); | |
1309 | } | |
1310 | ||
1311 | // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ | |
1312 | if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { | |
1313 | rbuggyQSA.push("~="); | |
1314 | } | |
1315 | ||
1316 | // Webkit/Opera - :checked should return selected option elements | |
1317 | // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked | |
1318 | // IE8 throws error here and will not see later tests | |
1319 | if ( !el.querySelectorAll(":checked").length ) { | |
1320 | rbuggyQSA.push(":checked"); | |
1321 | } | |
1322 | ||
1323 | // Support: Safari 8+, iOS 8+ | |
1324 | // https://bugs.webkit.org/show_bug.cgi?id=136851 | |
1325 | // In-page `selector#id sibling-combinator selector` fails | |
1326 | if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { | |
1327 | rbuggyQSA.push(".#.+[+~]"); | |
1328 | } | |
1329 | }); | |
1330 | ||
1331 | assert(function( el ) { | |
1332 | el.innerHTML = "<a href='' disabled='disabled'></a>" + | |
1333 | "<select disabled='disabled'><option/></select>"; | |
1334 | ||
1335 | // Support: Windows 8 Native Apps | |
1336 | // The type and name attributes are restricted during .innerHTML assignment | |
1337 | var input = document.createElement("input"); | |
1338 | input.setAttribute( "type", "hidden" ); | |
1339 | el.appendChild( input ).setAttribute( "name", "D" ); | |
1340 | ||
1341 | // Support: IE8 | |
1342 | // Enforce case-sensitivity of name attribute | |
1343 | if ( el.querySelectorAll("[name=d]").length ) { | |
1344 | rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); | |
1345 | } | |
1346 | ||
1347 | // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) | |
1348 | // IE8 throws error here and will not see later tests | |
1349 | if ( el.querySelectorAll(":enabled").length !== 2 ) { | |
1350 | rbuggyQSA.push( ":enabled", ":disabled" ); | |
1351 | } | |
1352 | ||
1353 | // Support: IE9-11+ | |
1354 | // IE's :disabled selector does not pick up the children of disabled fieldsets | |
1355 | docElem.appendChild( el ).disabled = true; | |
1356 | if ( el.querySelectorAll(":disabled").length !== 2 ) { | |
1357 | rbuggyQSA.push( ":enabled", ":disabled" ); | |
1358 | } | |
1359 | ||
1360 | // Opera 10-11 does not throw on post-comma invalid pseudos | |
1361 | el.querySelectorAll("*,:x"); | |
1362 | rbuggyQSA.push(",.*:"); | |
1363 | }); | |
1364 | } | |
1365 | ||
1366 | if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || | |
1367 | docElem.webkitMatchesSelector || | |
1368 | docElem.mozMatchesSelector || | |
1369 | docElem.oMatchesSelector || | |
1370 | docElem.msMatchesSelector) )) ) { | |
1371 | ||
1372 | assert(function( el ) { | |
1373 | // Check to see if it's possible to do matchesSelector | |
1374 | // on a disconnected node (IE 9) | |
1375 | support.disconnectedMatch = matches.call( el, "*" ); | |
1376 | ||
1377 | // This should fail with an exception | |
1378 | // Gecko does not error, returns false instead | |
1379 | matches.call( el, "[s!='']:x" ); | |
1380 | rbuggyMatches.push( "!=", pseudos ); | |
1381 | }); | |
1382 | } | |
1383 | ||
1384 | rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); | |
1385 | rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); | |
1386 | ||
1387 | /* Contains | |
1388 | ---------------------------------------------------------------------- */ | |
1389 | hasCompare = rnative.test( docElem.compareDocumentPosition ); | |
1390 | ||
1391 | // Element contains another | |
1392 | // Purposefully self-exclusive | |
1393 | // As in, an element does not contain itself | |
1394 | contains = hasCompare || rnative.test( docElem.contains ) ? | |
1395 | function( a, b ) { | |
1396 | var adown = a.nodeType === 9 ? a.documentElement : a, | |
1397 | bup = b && b.parentNode; | |
1398 | return a === bup || !!( bup && bup.nodeType === 1 && ( | |
1399 | adown.contains ? | |
1400 | adown.contains( bup ) : | |
1401 | a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 | |
1402 | )); | |
1403 | } : | |
1404 | function( a, b ) { | |
1405 | if ( b ) { | |
1406 | while ( (b = b.parentNode) ) { | |
1407 | if ( b === a ) { | |
1408 | return true; | |
1409 | } | |
1410 | } | |
1411 | } | |
1412 | return false; | |
1413 | }; | |
1414 | ||
1415 | /* Sorting | |
1416 | ---------------------------------------------------------------------- */ | |
1417 | ||
1418 | // Document order sorting | |
1419 | sortOrder = hasCompare ? | |
1420 | function( a, b ) { | |
1421 | ||
1422 | // Flag for duplicate removal | |
1423 | if ( a === b ) { | |
1424 | hasDuplicate = true; | |
1425 | return 0; | |
1426 | } | |
1427 | ||
1428 | // Sort on method existence if only one input has compareDocumentPosition | |
1429 | var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; | |
1430 | if ( compare ) { | |
1431 | return compare; | |
1432 | } | |
1433 | ||
1434 | // Calculate position if both inputs belong to the same document | |
1435 | compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? | |
1436 | a.compareDocumentPosition( b ) : | |
1437 | ||
1438 | // Otherwise we know they are disconnected | |
1439 | 1; | |
1440 | ||
1441 | // Disconnected nodes | |
1442 | if ( compare & 1 || | |
1443 | (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { | |
1444 | ||
1445 | // Choose the first element that is related to our preferred document | |
1446 | if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { | |
1447 | return -1; | |
1448 | } | |
1449 | if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { | |
1450 | return 1; | |
1451 | } | |
1452 | ||
1453 | // Maintain original order | |
1454 | return sortInput ? | |
1455 | ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : | |
1456 | 0; | |
1457 | } | |
1458 | ||
1459 | return compare & 4 ? -1 : 1; | |
1460 | } : | |
1461 | function( a, b ) { | |
1462 | // Exit early if the nodes are identical | |
1463 | if ( a === b ) { | |
1464 | hasDuplicate = true; | |
1465 | return 0; | |
1466 | } | |
1467 | ||
1468 | var cur, | |
1469 | i = 0, | |
1470 | aup = a.parentNode, | |
1471 | bup = b.parentNode, | |
1472 | ap = [ a ], | |
1473 | bp = [ b ]; | |
1474 | ||
1475 | // Parentless nodes are either documents or disconnected | |
1476 | if ( !aup || !bup ) { | |
1477 | return a === document ? -1 : | |
1478 | b === document ? 1 : | |
1479 | aup ? -1 : | |
1480 | bup ? 1 : | |
1481 | sortInput ? | |
1482 | ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : | |
1483 | 0; | |
1484 | ||
1485 | // If the nodes are siblings, we can do a quick check | |
1486 | } else if ( aup === bup ) { | |
1487 | return siblingCheck( a, b ); | |
1488 | } | |
1489 | ||
1490 | // Otherwise we need full lists of their ancestors for comparison | |
1491 | cur = a; | |
1492 | while ( (cur = cur.parentNode) ) { | |
1493 | ap.unshift( cur ); | |
1494 | } | |
1495 | cur = b; | |
1496 | while ( (cur = cur.parentNode) ) { | |
1497 | bp.unshift( cur ); | |
1498 | } | |
1499 | ||
1500 | // Walk down the tree looking for a discrepancy | |
1501 | while ( ap[i] === bp[i] ) { | |
1502 | i++; | |
1503 | } | |
1504 | ||
1505 | return i ? | |
1506 | // Do a sibling check if the nodes have a common ancestor | |
1507 | siblingCheck( ap[i], bp[i] ) : | |
1508 | ||
1509 | // Otherwise nodes in our document sort first | |
1510 | ap[i] === preferredDoc ? -1 : | |
1511 | bp[i] === preferredDoc ? 1 : | |
1512 | 0; | |
1513 | }; | |
1514 | ||
1515 | return document; | |
1516 | }; | |
1517 | ||
1518 | Sizzle.matches = function( expr, elements ) { | |
1519 | return Sizzle( expr, null, null, elements ); | |
1520 | }; | |
1521 | ||
1522 | Sizzle.matchesSelector = function( elem, expr ) { | |
1523 | // Set document vars if needed | |
1524 | if ( ( elem.ownerDocument || elem ) !== document ) { | |
1525 | setDocument( elem ); | |
1526 | } | |
1527 | ||
1528 | // Make sure that attribute selectors are quoted | |
1529 | expr = expr.replace( rattributeQuotes, "='$1']" ); | |
1530 | ||
1531 | if ( support.matchesSelector && documentIsHTML && | |
1532 | !compilerCache[ expr + " " ] && | |
1533 | ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && | |
1534 | ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { | |
1535 | ||
1536 | try { | |
1537 | var ret = matches.call( elem, expr ); | |
1538 | ||
1539 | // IE 9's matchesSelector returns false on disconnected nodes | |
1540 | if ( ret || support.disconnectedMatch || | |
1541 | // As well, disconnected nodes are said to be in a document | |
1542 | // fragment in IE 9 | |
1543 | elem.document && elem.document.nodeType !== 11 ) { | |
1544 | return ret; | |
1545 | } | |
1546 | } catch (e) {} | |
1547 | } | |
1548 | ||
1549 | return Sizzle( expr, document, null, [ elem ] ).length > 0; | |
1550 | }; | |
1551 | ||
1552 | Sizzle.contains = function( context, elem ) { | |
1553 | // Set document vars if needed | |
1554 | if ( ( context.ownerDocument || context ) !== document ) { | |
1555 | setDocument( context ); | |
1556 | } | |
1557 | return contains( context, elem ); | |
1558 | }; | |
1559 | ||
1560 | Sizzle.attr = function( elem, name ) { | |
1561 | // Set document vars if needed | |
1562 | if ( ( elem.ownerDocument || elem ) !== document ) { | |
1563 | setDocument( elem ); | |
1564 | } | |
1565 | ||
1566 | var fn = Expr.attrHandle[ name.toLowerCase() ], | |
1567 | // Don't get fooled by Object.prototype properties (jQuery #13807) | |
1568 | val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? | |
1569 | fn( elem, name, !documentIsHTML ) : | |
1570 | undefined; | |
1571 | ||
1572 | return val !== undefined ? | |
1573 | val : | |
1574 | support.attributes || !documentIsHTML ? | |
1575 | elem.getAttribute( name ) : | |
1576 | (val = elem.getAttributeNode(name)) && val.specified ? | |
1577 | val.value : | |
1578 | null; | |
1579 | }; | |
1580 | ||
1581 | Sizzle.escape = function( sel ) { | |
1582 | return (sel + "").replace( rcssescape, fcssescape ); | |
1583 | }; | |
1584 | ||
1585 | Sizzle.error = function( msg ) { | |
1586 | throw new Error( "Syntax error, unrecognized expression: " + msg ); | |
1587 | }; | |
1588 | ||
1589 | /** | |
1590 | * Document sorting and removing duplicates | |
1591 | * @param {ArrayLike} results | |
1592 | */ | |
1593 | Sizzle.uniqueSort = function( results ) { | |
1594 | var elem, | |
1595 | duplicates = [], | |
1596 | j = 0, | |
1597 | i = 0; | |
1598 | ||
1599 | // Unless we *know* we can detect duplicates, assume their presence | |
1600 | hasDuplicate = !support.detectDuplicates; | |
1601 | sortInput = !support.sortStable && results.slice( 0 ); | |
1602 | results.sort( sortOrder ); | |
1603 | ||
1604 | if ( hasDuplicate ) { | |
1605 | while ( (elem = results[i++]) ) { | |
1606 | if ( elem === results[ i ] ) { | |
1607 | j = duplicates.push( i ); | |
1608 | } | |
1609 | } | |
1610 | while ( j-- ) { | |
1611 | results.splice( duplicates[ j ], 1 ); | |
1612 | } | |
1613 | } | |
1614 | ||
1615 | // Clear input after sorting to release objects | |
1616 | // See https://github.com/jquery/sizzle/pull/225 | |
1617 | sortInput = null; | |
1618 | ||
1619 | return results; | |
1620 | }; | |
1621 | ||
1622 | /** | |
1623 | * Utility function for retrieving the text value of an array of DOM nodes | |
1624 | * @param {Array|Element} elem | |
1625 | */ | |
1626 | getText = Sizzle.getText = function( elem ) { | |
1627 | var node, | |
1628 | ret = "", | |
1629 | i = 0, | |
1630 | nodeType = elem.nodeType; | |
1631 | ||
1632 | if ( !nodeType ) { | |
1633 | // If no nodeType, this is expected to be an array | |
1634 | while ( (node = elem[i++]) ) { | |
1635 | // Do not traverse comment nodes | |
1636 | ret += getText( node ); | |
1637 | } | |
1638 | } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { | |
1639 | // Use textContent for elements | |
1640 | // innerText usage removed for consistency of new lines (jQuery #11153) | |
1641 | if ( typeof elem.textContent === "string" ) { | |
1642 | return elem.textContent; | |
1643 | } else { | |
1644 | // Traverse its children | |
1645 | for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { | |
1646 | ret += getText( elem ); | |
1647 | } | |
1648 | } | |
1649 | } else if ( nodeType === 3 || nodeType === 4 ) { | |
1650 | return elem.nodeValue; | |
1651 | } | |
1652 | // Do not include comment or processing instruction nodes | |
1653 | ||
1654 | return ret; | |
1655 | }; | |
1656 | ||
1657 | Expr = Sizzle.selectors = { | |
1658 | ||
1659 | // Can be adjusted by the user | |
1660 | cacheLength: 50, | |
1661 | ||
1662 | createPseudo: markFunction, | |
1663 | ||
1664 | match: matchExpr, | |
1665 | ||
1666 | attrHandle: {}, | |
1667 | ||
1668 | find: {}, | |
1669 | ||
1670 | relative: { | |
1671 | ">": { dir: "parentNode", first: true }, | |
1672 | " ": { dir: "parentNode" }, | |
1673 | "+": { dir: "previousSibling", first: true }, | |
1674 | "~": { dir: "previousSibling" } | |
1675 | }, | |
1676 | ||
1677 | preFilter: { | |
1678 | "ATTR": function( match ) { | |
1679 | match[1] = match[1].replace( runescape, funescape ); | |
1680 | ||
1681 | // Move the given value to match[3] whether quoted or unquoted | |
1682 | match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); | |
1683 | ||
1684 | if ( match[2] === "~=" ) { | |
1685 | match[3] = " " + match[3] + " "; | |
1686 | } | |
1687 | ||
1688 | return match.slice( 0, 4 ); | |
1689 | }, | |
1690 | ||
1691 | "CHILD": function( match ) { | |
1692 | /* matches from matchExpr["CHILD"] | |
1693 | 1 type (only|nth|...) | |
1694 | 2 what (child|of-type) | |
1695 | 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) | |
1696 | 4 xn-component of xn+y argument ([+-]?\d*n|) | |
1697 | 5 sign of xn-component | |
1698 | 6 x of xn-component | |
1699 | 7 sign of y-component | |
1700 | 8 y of y-component | |
1701 | */ | |
1702 | match[1] = match[1].toLowerCase(); | |
1703 | ||
1704 | if ( match[1].slice( 0, 3 ) === "nth" ) { | |
1705 | // nth-* requires argument | |
1706 | if ( !match[3] ) { | |
1707 | Sizzle.error( match[0] ); | |
1708 | } | |
1709 | ||
1710 | // numeric x and y parameters for Expr.filter.CHILD | |
1711 | // remember that false/true cast respectively to 0/1 | |
1712 | match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); | |
1713 | match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); | |
1714 | ||
1715 | // other types prohibit arguments | |
1716 | } else if ( match[3] ) { | |
1717 | Sizzle.error( match[0] ); | |
1718 | } | |
1719 | ||
1720 | return match; | |
1721 | }, | |
1722 | ||
1723 | "PSEUDO": function( match ) { | |
1724 | var excess, | |
1725 | unquoted = !match[6] && match[2]; | |
1726 | ||
1727 | if ( matchExpr["CHILD"].test( match[0] ) ) { | |
1728 | return null; | |
1729 | } | |
1730 | ||
1731 | // Accept quoted arguments as-is | |
1732 | if ( match[3] ) { | |
1733 | match[2] = match[4] || match[5] || ""; | |
1734 | ||
1735 | // Strip excess characters from unquoted arguments | |
1736 | } else if ( unquoted && rpseudo.test( unquoted ) && | |
1737 | // Get excess from tokenize (recursively) | |
1738 | (excess = tokenize( unquoted, true )) && | |
1739 | // advance to the next closing parenthesis | |
1740 | (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) { | |
1741 | ||
1742 | // excess is a negative index | |
1743 | match[0] = match[0].slice( 0, excess ); | |
1744 | match[2] = unquoted.slice( 0, excess ); | |
1745 | } | |
1746 | ||
1747 | // Return only captures needed by the pseudo filter method (type and argument) | |
1748 | return match.slice( 0, 3 ); | |
1749 | } | |
1750 | }, | |
1751 | ||
1752 | filter: { | |
1753 | ||
1754 | "TAG": function( nodeNameSelector ) { | |
1755 | var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); | |
1756 | return nodeNameSelector === "*" ? | |
1757 | function() { return true; } : | |
1758 | function( elem ) { | |
1759 | return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; | |
1760 | }; | |
1761 | }, | |
1762 | ||
1763 | "CLASS": function( className ) { | |
1764 | var pattern = classCache[ className + " " ]; | |
1765 | ||
1766 | return pattern || | |
1767 | (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && | |
1768 | classCache( className, function( elem ) { | |
1769 | return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); | |
1770 | }); | |
1771 | }, | |
1772 | ||
1773 | "ATTR": function( name, operator, check ) { | |
1774 | return function( elem ) { | |
1775 | var result = Sizzle.attr( elem, name ); | |
1776 | ||
1777 | if ( result == null ) { | |
1778 | return operator === "!="; | |
1779 | } | |
1780 | if ( !operator ) { | |
1781 | return true; | |
1782 | } | |
1783 | ||
1784 | result += ""; | |
1785 | ||
1786 | return operator === "=" ? result === check : | |
1787 | operator === "!=" ? result !== check : | |
1788 | operator === "^=" ? check && result.indexOf( check ) === 0 : | |
1789 | operator === "*=" ? check && result.indexOf( check ) > -1 : | |
1790 | operator === "$=" ? check && result.slice( -check.length ) === check : | |
1791 | operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : | |
1792 | operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : | |
1793 | false; | |
1794 | }; | |
1795 | }, | |
1796 | ||
1797 | "CHILD": function( type, what, argument, first, last ) { | |
1798 | var simple = type.slice( 0, 3 ) !== "nth", | |
1799 | forward = type.slice( -4 ) !== "last", | |
1800 | ofType = what === "of-type"; | |
1801 | ||
1802 | return first === 1 && last === 0 ? | |
1803 | ||
1804 | // Shortcut for :nth-*(n) | |
1805 | function( elem ) { | |
1806 | return !!elem.parentNode; | |
1807 | } : | |
1808 | ||
1809 | function( elem, context, xml ) { | |
1810 | var cache, uniqueCache, outerCache, node, nodeIndex, start, | |
1811 | dir = simple !== forward ? "nextSibling" : "previousSibling", | |
1812 | parent = elem.parentNode, | |
1813 | name = ofType && elem.nodeName.toLowerCase(), | |
1814 | useCache = !xml && !ofType, | |
1815 | diff = false; | |
1816 | ||
1817 | if ( parent ) { | |
1818 | ||
1819 | // :(first|last|only)-(child|of-type) | |
1820 | if ( simple ) { | |
1821 | while ( dir ) { | |
1822 | node = elem; | |
1823 | while ( (node = node[ dir ]) ) { | |
1824 | if ( ofType ? | |
1825 | node.nodeName.toLowerCase() === name : | |
1826 | node.nodeType === 1 ) { | |
1827 | ||
1828 | return false; | |
1829 | } | |
1830 | } | |
1831 | // Reverse direction for :only-* (if we haven't yet done so) | |
1832 | start = dir = type === "only" && !start && "nextSibling"; | |
1833 | } | |
1834 | return true; | |
1835 | } | |
1836 | ||
1837 | start = [ forward ? parent.firstChild : parent.lastChild ]; | |
1838 | ||
1839 | // non-xml :nth-child(...) stores cache data on `parent` | |
1840 | if ( forward && useCache ) { | |
1841 | ||
1842 | // Seek `elem` from a previously-cached index | |
1843 | ||
1844 | // ...in a gzip-friendly way | |
1845 | node = parent; | |
1846 | outerCache = node[ expando ] || (node[ expando ] = {}); | |
1847 | ||
1848 | // Support: IE <9 only | |
1849 | // Defend against cloned attroperties (jQuery gh-1709) | |
1850 | uniqueCache = outerCache[ node.uniqueID ] || | |
1851 | (outerCache[ node.uniqueID ] = {}); | |
1852 | ||
1853 | cache = uniqueCache[ type ] || []; | |
1854 | nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; | |
1855 | diff = nodeIndex && cache[ 2 ]; | |
1856 | node = nodeIndex && parent.childNodes[ nodeIndex ]; | |
1857 | ||
1858 | while ( (node = ++nodeIndex && node && node[ dir ] || | |
1859 | ||
1860 | // Fallback to seeking `elem` from the start | |
1861 | (diff = nodeIndex = 0) || start.pop()) ) { | |
1862 | ||
1863 | // When found, cache indexes on `parent` and break | |
1864 | if ( node.nodeType === 1 && ++diff && node === elem ) { | |
1865 | uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; | |
1866 | break; | |
1867 | } | |
1868 | } | |
1869 | ||
1870 | } else { | |
1871 | // Use previously-cached element index if available | |
1872 | if ( useCache ) { | |
1873 | // ...in a gzip-friendly way | |
1874 | node = elem; | |
1875 | outerCache = node[ expando ] || (node[ expando ] = {}); | |
1876 | ||
1877 | // Support: IE <9 only | |
1878 | // Defend against cloned attroperties (jQuery gh-1709) | |
1879 | uniqueCache = outerCache[ node.uniqueID ] || | |
1880 | (outerCache[ node.uniqueID ] = {}); | |
1881 | ||
1882 | cache = uniqueCache[ type ] || []; | |
1883 | nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; | |
1884 | diff = nodeIndex; | |
1885 | } | |
1886 | ||
1887 | // xml :nth-child(...) | |
1888 | // or :nth-last-child(...) or :nth(-last)?-of-type(...) | |
1889 | if ( diff === false ) { | |
1890 | // Use the same loop as above to seek `elem` from the start | |
1891 | while ( (node = ++nodeIndex && node && node[ dir ] || | |
1892 | (diff = nodeIndex = 0) || start.pop()) ) { | |
1893 | ||
1894 | if ( ( ofType ? | |
1895 | node.nodeName.toLowerCase() === name : | |
1896 | node.nodeType === 1 ) && | |
1897 | ++diff ) { | |
1898 | ||
1899 | // Cache the index of each encountered element | |
1900 | if ( useCache ) { | |
1901 | outerCache = node[ expando ] || (node[ expando ] = {}); | |
1902 | ||
1903 | // Support: IE <9 only | |
1904 | // Defend against cloned attroperties (jQuery gh-1709) | |
1905 | uniqueCache = outerCache[ node.uniqueID ] || | |
1906 | (outerCache[ node.uniqueID ] = {}); | |
1907 | ||
1908 | uniqueCache[ type ] = [ dirruns, diff ]; | |
1909 | } | |
1910 | ||
1911 | if ( node === elem ) { | |
1912 | break; | |
1913 | } | |
1914 | } | |
1915 | } | |
1916 | } | |
1917 | } | |
1918 | ||
1919 | // Incorporate the offset, then check against cycle size | |
1920 | diff -= last; | |
1921 | return diff === first || ( diff % first === 0 && diff / first >= 0 ); | |
1922 | } | |
1923 | }; | |
1924 | }, | |
1925 | ||
1926 | "PSEUDO": function( pseudo, argument ) { | |
1927 | // pseudo-class names are case-insensitive | |
1928 | // http://www.w3.org/TR/selectors/#pseudo-classes | |
1929 | // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters | |
1930 | // Remember that setFilters inherits from pseudos | |
1931 | var args, | |
1932 | fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || | |
1933 | Sizzle.error( "unsupported pseudo: " + pseudo ); | |
1934 | ||
1935 | // The user may use createPseudo to indicate that | |
1936 | // arguments are needed to create the filter function | |
1937 | // just as Sizzle does | |
1938 | if ( fn[ expando ] ) { | |
1939 | return fn( argument ); | |
1940 | } | |
1941 | ||
1942 | // But maintain support for old signatures | |
1943 | if ( fn.length > 1 ) { | |
1944 | args = [ pseudo, pseudo, "", argument ]; | |
1945 | return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? | |
1946 | markFunction(function( seed, matches ) { | |
1947 | var idx, | |
1948 | matched = fn( seed, argument ), | |
1949 | i = matched.length; | |
1950 | while ( i-- ) { | |
1951 | idx = indexOf( seed, matched[i] ); | |
1952 | seed[ idx ] = !( matches[ idx ] = matched[i] ); | |
1953 | } | |
1954 | }) : | |
1955 | function( elem ) { | |
1956 | return fn( elem, 0, args ); | |
1957 | }; | |
1958 | } | |
1959 | ||
1960 | return fn; | |
1961 | } | |
1962 | }, | |
1963 | ||
1964 | pseudos: { | |
1965 | // Potentially complex pseudos | |
1966 | "not": markFunction(function( selector ) { | |
1967 | // Trim the selector passed to compile | |
1968 | // to avoid treating leading and trailing | |
1969 | // spaces as combinators | |
1970 | var input = [], | |
1971 | results = [], | |
1972 | matcher = compile( selector.replace( rtrim, "$1" ) ); | |
1973 | ||
1974 | return matcher[ expando ] ? | |
1975 | markFunction(function( seed, matches, context, xml ) { | |
1976 | var elem, | |
1977 | unmatched = matcher( seed, null, xml, [] ), | |
1978 | i = seed.length; | |
1979 | ||
1980 | // Match elements unmatched by `matcher` | |
1981 | while ( i-- ) { | |
1982 | if ( (elem = unmatched[i]) ) { | |
1983 | seed[i] = !(matches[i] = elem); | |
1984 | } | |
1985 | } | |
1986 | }) : | |
1987 | function( elem, context, xml ) { | |
1988 | input[0] = elem; | |
1989 | matcher( input, null, xml, results ); | |
1990 | // Don't keep the element (issue #299) | |
1991 | input[0] = null; | |
1992 | return !results.pop(); | |
1993 | }; | |
1994 | }), | |
1995 | ||
1996 | "has": markFunction(function( selector ) { | |
1997 | return function( elem ) { | |
1998 | return Sizzle( selector, elem ).length > 0; | |
1999 | }; | |
2000 | }), | |
2001 | ||
2002 | "contains": markFunction(function( text ) { | |
2003 | text = text.replace( runescape, funescape ); | |
2004 | return function( elem ) { | |
2005 | return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; | |
2006 | }; | |
2007 | }), | |
2008 | ||
2009 | // "Whether an element is represented by a :lang() selector | |
2010 | // is based solely on the element's language value | |
2011 | // being equal to the identifier C, | |
2012 | // or beginning with the identifier C immediately followed by "-". | |
2013 | // The matching of C against the element's language value is performed case-insensitively. | |
2014 | // The identifier C does not have to be a valid language name." | |
2015 | // http://www.w3.org/TR/selectors/#lang-pseudo | |
2016 | "lang": markFunction( function( lang ) { | |
2017 | // lang value must be a valid identifier | |
2018 | if ( !ridentifier.test(lang || "") ) { | |
2019 | Sizzle.error( "unsupported lang: " + lang ); | |
2020 | } | |
2021 | lang = lang.replace( runescape, funescape ).toLowerCase(); | |
2022 | return function( elem ) { | |
2023 | var elemLang; | |
2024 | do { | |
2025 | if ( (elemLang = documentIsHTML ? | |
2026 | elem.lang : | |
2027 | elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { | |
2028 | ||
2029 | elemLang = elemLang.toLowerCase(); | |
2030 | return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; | |
2031 | } | |
2032 | } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); | |
2033 | return false; | |
2034 | }; | |
2035 | }), | |
2036 | ||
2037 | // Miscellaneous | |
2038 | "target": function( elem ) { | |
2039 | var hash = window.location && window.location.hash; | |
2040 | return hash && hash.slice( 1 ) === elem.id; | |
2041 | }, | |
2042 | ||
2043 | "root": function( elem ) { | |
2044 | return elem === docElem; | |
2045 | }, | |
2046 | ||
2047 | "focus": function( elem ) { | |
2048 | return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); | |
2049 | }, | |
2050 | ||
2051 | // Boolean properties | |
2052 | "enabled": createDisabledPseudo( false ), | |
2053 | "disabled": createDisabledPseudo( true ), | |
2054 | ||
2055 | "checked": function( elem ) { | |
2056 | // In CSS3, :checked should return both checked and selected elements | |
2057 | // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked | |
2058 | var nodeName = elem.nodeName.toLowerCase(); | |
2059 | return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); | |
2060 | }, | |
2061 | ||
2062 | "selected": function( elem ) { | |
2063 | // Accessing this property makes selected-by-default | |
2064 | // options in Safari work properly | |
2065 | if ( elem.parentNode ) { | |
2066 | elem.parentNode.selectedIndex; | |
2067 | } | |
2068 | ||
2069 | return elem.selected === true; | |
2070 | }, | |
2071 | ||
2072 | // Contents | |
2073 | "empty": function( elem ) { | |
2074 | // http://www.w3.org/TR/selectors/#empty-pseudo | |
2075 | // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), | |
2076 | // but not by others (comment: 8; processing instruction: 7; etc.) | |
2077 | // nodeType < 6 works because attributes (2) do not appear as children | |
2078 | for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { | |
2079 | if ( elem.nodeType < 6 ) { | |
2080 | return false; | |
2081 | } | |
2082 | } | |
2083 | return true; | |
2084 | }, | |
2085 | ||
2086 | "parent": function( elem ) { | |
2087 | return !Expr.pseudos["empty"]( elem ); | |
2088 | }, | |
2089 | ||
2090 | // Element/input types | |
2091 | "header": function( elem ) { | |
2092 | return rheader.test( elem.nodeName ); | |
2093 | }, | |
2094 | ||
2095 | "input": function( elem ) { | |
2096 | return rinputs.test( elem.nodeName ); | |
2097 | }, | |
2098 | ||
2099 | "button": function( elem ) { | |
2100 | var name = elem.nodeName.toLowerCase(); | |
2101 | return name === "input" && elem.type === "button" || name === "button"; | |
2102 | }, | |
2103 | ||
2104 | "text": function( elem ) { | |
2105 | var attr; | |
2106 | return elem.nodeName.toLowerCase() === "input" && | |
2107 | elem.type === "text" && | |
2108 | ||
2109 | // Support: IE<8 | |
2110 | // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" | |
2111 | ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); | |
2112 | }, | |
2113 | ||
2114 | // Position-in-collection | |
2115 | "first": createPositionalPseudo(function() { | |
2116 | return [ 0 ]; | |
2117 | }), | |
2118 | ||
2119 | "last": createPositionalPseudo(function( matchIndexes, length ) { | |
2120 | return [ length - 1 ]; | |
2121 | }), | |
2122 | ||
2123 | "eq": createPositionalPseudo(function( matchIndexes, length, argument ) { | |
2124 | return [ argument < 0 ? argument + length : argument ]; | |
2125 | }), | |
2126 | ||
2127 | "even": createPositionalPseudo(function( matchIndexes, length ) { | |
2128 | var i = 0; | |
2129 | for ( ; i < length; i += 2 ) { | |
2130 | matchIndexes.push( i ); | |
2131 | } | |
2132 | return matchIndexes; | |
2133 | }), | |
2134 | ||
2135 | "odd": createPositionalPseudo(function( matchIndexes, length ) { | |
2136 | var i = 1; | |
2137 | for ( ; i < length; i += 2 ) { | |
2138 | matchIndexes.push( i ); | |
2139 | } | |
2140 | return matchIndexes; | |
2141 | }), | |
2142 | ||
2143 | "lt": createPositionalPseudo(function( matchIndexes, length, argument ) { | |
2144 | var i = argument < 0 ? argument + length : argument; | |
2145 | for ( ; --i >= 0; ) { | |
2146 | matchIndexes.push( i ); | |
2147 | } | |
2148 | return matchIndexes; | |
2149 | }), | |
2150 | ||
2151 | "gt": createPositionalPseudo(function( matchIndexes, length, argument ) { | |
2152 | var i = argument < 0 ? argument + length : argument; | |
2153 | for ( ; ++i < length; ) { | |
2154 | matchIndexes.push( i ); | |
2155 | } | |
2156 | return matchIndexes; | |
2157 | }) | |
2158 | } | |
2159 | }; | |
2160 | ||
2161 | Expr.pseudos["nth"] = Expr.pseudos["eq"]; | |
2162 | ||
2163 | // Add button/input type pseudos | |
2164 | for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { | |
2165 | Expr.pseudos[ i ] = createInputPseudo( i ); | |
2166 | } | |
2167 | for ( i in { submit: true, reset: true } ) { | |
2168 | Expr.pseudos[ i ] = createButtonPseudo( i ); | |
2169 | } | |
2170 | ||
2171 | // Easy API for creating new setFilters | |
2172 | function setFilters() {} | |
2173 | setFilters.prototype = Expr.filters = Expr.pseudos; | |
2174 | Expr.setFilters = new setFilters(); | |
2175 | ||
2176 | tokenize = Sizzle.tokenize = function( selector, parseOnly ) { | |
2177 | var matched, match, tokens, type, | |
2178 | soFar, groups, preFilters, | |
2179 | cached = tokenCache[ selector + " " ]; | |
2180 | ||
2181 | if ( cached ) { | |
2182 | return parseOnly ? 0 : cached.slice( 0 ); | |
2183 | } | |
2184 | ||
2185 | soFar = selector; | |
2186 | groups = []; | |
2187 | preFilters = Expr.preFilter; | |
2188 | ||
2189 | while ( soFar ) { | |
2190 | ||
2191 | // Comma and first run | |
2192 | if ( !matched || (match = rcomma.exec( soFar )) ) { | |
2193 | if ( match ) { | |
2194 | // Don't consume trailing commas as valid | |
2195 | soFar = soFar.slice( match[0].length ) || soFar; | |
2196 | } | |
2197 | groups.push( (tokens = []) ); | |
2198 | } | |
2199 | ||
2200 | matched = false; | |
2201 | ||
2202 | // Combinators | |
2203 | if ( (match = rcombinators.exec( soFar )) ) { | |
2204 | matched = match.shift(); | |
2205 | tokens.push({ | |
2206 | value: matched, | |
2207 | // Cast descendant combinators to space | |
2208 | type: match[0].replace( rtrim, " " ) | |
2209 | }); | |
2210 | soFar = soFar.slice( matched.length ); | |
2211 | } | |
2212 | ||
2213 | // Filters | |
2214 | for ( type in Expr.filter ) { | |
2215 | if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || | |
2216 | (match = preFilters[ type ]( match ))) ) { | |
2217 | matched = match.shift(); | |
2218 | tokens.push({ | |
2219 | value: matched, | |
2220 | type: type, | |
2221 | matches: match | |
2222 | }); | |
2223 | soFar = soFar.slice( matched.length ); | |
2224 | } | |
2225 | } | |
2226 | ||
2227 | if ( !matched ) { | |
2228 | break; | |
2229 | } | |
2230 | } | |
2231 | ||
2232 | // Return the length of the invalid excess | |
2233 | // if we're just parsing | |
2234 | // Otherwise, throw an error or return tokens | |
2235 | return parseOnly ? | |
2236 | soFar.length : | |
2237 | soFar ? | |
2238 | Sizzle.error( selector ) : | |
2239 | // Cache the tokens | |
2240 | tokenCache( selector, groups ).slice( 0 ); | |
2241 | }; | |
2242 | ||
2243 | function toSelector( tokens ) { | |
2244 | var i = 0, | |
2245 | len = tokens.length, | |
2246 | selector = ""; | |
2247 | for ( ; i < len; i++ ) { | |
2248 | selector += tokens[i].value; | |
2249 | } | |
2250 | return selector; | |
2251 | } | |
2252 | ||
2253 | function addCombinator( matcher, combinator, base ) { | |
2254 | var dir = combinator.dir, | |
2255 | skip = combinator.next, | |
2256 | key = skip || dir, | |
2257 | checkNonElements = base && key === "parentNode", | |
2258 | doneName = done++; | |
2259 | ||
2260 | return combinator.first ? | |
2261 | // Check against closest ancestor/preceding element | |
2262 | function( elem, context, xml ) { | |
2263 | while ( (elem = elem[ dir ]) ) { | |
2264 | if ( elem.nodeType === 1 || checkNonElements ) { | |
2265 | return matcher( elem, context, xml ); | |
2266 | } | |
2267 | } | |
2268 | return false; | |
2269 | } : | |
2270 | ||
2271 | // Check against all ancestor/preceding elements | |
2272 | function( elem, context, xml ) { | |
2273 | var oldCache, uniqueCache, outerCache, | |
2274 | newCache = [ dirruns, doneName ]; | |
2275 | ||
2276 | // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching | |
2277 | if ( xml ) { | |
2278 | while ( (elem = elem[ dir ]) ) { | |
2279 | if ( elem.nodeType === 1 || checkNonElements ) { | |
2280 | if ( matcher( elem, context, xml ) ) { | |
2281 | return true; | |
2282 | } | |
2283 | } | |
2284 | } | |
2285 | } else { | |
2286 | while ( (elem = elem[ dir ]) ) { | |
2287 | if ( elem.nodeType === 1 || checkNonElements ) { | |
2288 | outerCache = elem[ expando ] || (elem[ expando ] = {}); | |
2289 | ||
2290 | // Support: IE <9 only | |
2291 | // Defend against cloned attroperties (jQuery gh-1709) | |
2292 | uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {}); | |
2293 | ||
2294 | if ( skip && skip === elem.nodeName.toLowerCase() ) { | |
2295 | elem = elem[ dir ] || elem; | |
2296 | } else if ( (oldCache = uniqueCache[ key ]) && | |
2297 | oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { | |
2298 | ||
2299 | // Assign to newCache so results back-propagate to previous elements | |
2300 | return (newCache[ 2 ] = oldCache[ 2 ]); | |
2301 | } else { | |
2302 | // Reuse newcache so results back-propagate to previous elements | |
2303 | uniqueCache[ key ] = newCache; | |
2304 | ||
2305 | // A match means we're done; a fail means we have to keep checking | |
2306 | if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { | |
2307 | return true; | |
2308 | } | |
2309 | } | |
2310 | } | |
2311 | } | |
2312 | } | |
2313 | return false; | |
2314 | }; | |
2315 | } | |
2316 | ||
2317 | function elementMatcher( matchers ) { | |
2318 | return matchers.length > 1 ? | |
2319 | function( elem, context, xml ) { | |
2320 | var i = matchers.length; | |
2321 | while ( i-- ) { | |
2322 | if ( !matchers[i]( elem, context, xml ) ) { | |
2323 | return false; | |
2324 | } | |
2325 | } | |
2326 | return true; | |
2327 | } : | |
2328 | matchers[0]; | |
2329 | } | |
2330 | ||
2331 | function multipleContexts( selector, contexts, results ) { | |
2332 | var i = 0, | |
2333 | len = contexts.length; | |
2334 | for ( ; i < len; i++ ) { | |
2335 | Sizzle( selector, contexts[i], results ); | |
2336 | } | |
2337 | return results; | |
2338 | } | |
2339 | ||
2340 | function condense( unmatched, map, filter, context, xml ) { | |
2341 | var elem, | |
2342 | newUnmatched = [], | |
2343 | i = 0, | |
2344 | len = unmatched.length, | |
2345 | mapped = map != null; | |
2346 | ||
2347 | for ( ; i < len; i++ ) { | |
2348 | if ( (elem = unmatched[i]) ) { | |
2349 | if ( !filter || filter( elem, context, xml ) ) { | |
2350 | newUnmatched.push( elem ); | |
2351 | if ( mapped ) { | |
2352 | map.push( i ); | |
2353 | } | |
2354 | } | |
2355 | } | |
2356 | } | |
2357 | ||
2358 | return newUnmatched; | |
2359 | } | |
2360 | ||
2361 | function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { | |
2362 | if ( postFilter && !postFilter[ expando ] ) { | |
2363 | postFilter = setMatcher( postFilter ); | |
2364 | } | |
2365 | if ( postFinder && !postFinder[ expando ] ) { | |
2366 | postFinder = setMatcher( postFinder, postSelector ); | |
2367 | } | |
2368 | return markFunction(function( seed, results, context, xml ) { | |
2369 | var temp, i, elem, | |
2370 | preMap = [], | |
2371 | postMap = [], | |
2372 | preexisting = results.length, | |
2373 | ||
2374 | // Get initial elements from seed or context | |
2375 | elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), | |
2376 | ||
2377 | // Prefilter to get matcher input, preserving a map for seed-results synchronization | |
2378 | matcherIn = preFilter && ( seed || !selector ) ? | |
2379 | condense( elems, preMap, preFilter, context, xml ) : | |
2380 | elems, | |
2381 | ||
2382 | matcherOut = matcher ? | |
2383 | // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, | |
2384 | postFinder || ( seed ? preFilter : preexisting || postFilter ) ? | |
2385 | ||
2386 | // ...intermediate processing is necessary | |
2387 | [] : | |
2388 | ||
2389 | // ...otherwise use results directly | |
2390 | results : | |
2391 | matcherIn; | |
2392 | ||
2393 | // Find primary matches | |
2394 | if ( matcher ) { | |
2395 | matcher( matcherIn, matcherOut, context, xml ); | |
2396 | } | |
2397 | ||
2398 | // Apply postFilter | |
2399 | if ( postFilter ) { | |
2400 | temp = condense( matcherOut, postMap ); | |
2401 | postFilter( temp, [], context, xml ); | |
2402 | ||
2403 | // Un-match failing elements by moving them back to matcherIn | |
2404 | i = temp.length; | |
2405 | while ( i-- ) { | |
2406 | if ( (elem = temp[i]) ) { | |
2407 | matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); | |
2408 | } | |
2409 | } | |
2410 | } | |
2411 | ||
2412 | if ( seed ) { | |
2413 | if ( postFinder || preFilter ) { | |
2414 | if ( postFinder ) { | |
2415 | // Get the final matcherOut by condensing this intermediate into postFinder contexts | |
2416 | temp = []; | |
2417 | i = matcherOut.length; | |
2418 | while ( i-- ) { | |
2419 | if ( (elem = matcherOut[i]) ) { | |
2420 | // Restore matcherIn since elem is not yet a final match | |
2421 | temp.push( (matcherIn[i] = elem) ); | |
2422 | } | |
2423 | } | |
2424 | postFinder( null, (matcherOut = []), temp, xml ); | |
2425 | } | |
2426 | ||
2427 | // Move matched elements from seed to results to keep them synchronized | |
2428 | i = matcherOut.length; | |
2429 | while ( i-- ) { | |
2430 | if ( (elem = matcherOut[i]) && | |
2431 | (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) { | |
2432 | ||
2433 | seed[temp] = !(results[temp] = elem); | |
2434 | } | |
2435 | } | |
2436 | } | |
2437 | ||
2438 | // Add elements to results, through postFinder if defined | |
2439 | } else { | |
2440 | matcherOut = condense( | |
2441 | matcherOut === results ? | |
2442 | matcherOut.splice( preexisting, matcherOut.length ) : | |
2443 | matcherOut | |
2444 | ); | |
2445 | if ( postFinder ) { | |
2446 | postFinder( null, results, matcherOut, xml ); | |
2447 | } else { | |
2448 | push.apply( results, matcherOut ); | |
2449 | } | |
2450 | } | |
2451 | }); | |
2452 | } | |
2453 | ||
2454 | function matcherFromTokens( tokens ) { | |
2455 | var checkContext, matcher, j, | |
2456 | len = tokens.length, | |
2457 | leadingRelative = Expr.relative[ tokens[0].type ], | |
2458 | implicitRelative = leadingRelative || Expr.relative[" "], | |
2459 | i = leadingRelative ? 1 : 0, | |
2460 | ||
2461 | // The foundational matcher ensures that elements are reachable from top-level context(s) | |
2462 | matchContext = addCombinator( function( elem ) { | |
2463 | return elem === checkContext; | |
2464 | }, implicitRelative, true ), | |
2465 | matchAnyContext = addCombinator( function( elem ) { | |
2466 | return indexOf( checkContext, elem ) > -1; | |
2467 | }, implicitRelative, true ), | |
2468 | matchers = [ function( elem, context, xml ) { | |
2469 | var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( | |
2470 | (checkContext = context).nodeType ? | |
2471 | matchContext( elem, context, xml ) : | |
2472 | matchAnyContext( elem, context, xml ) ); | |
2473 | // Avoid hanging onto element (issue #299) | |
2474 | checkContext = null; | |
2475 | return ret; | |
2476 | } ]; | |
2477 | ||
2478 | for ( ; i < len; i++ ) { | |
2479 | if ( (matcher = Expr.relative[ tokens[i].type ]) ) { | |
2480 | matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; | |
2481 | } else { | |
2482 | matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); | |
2483 | ||
2484 | // Return special upon seeing a positional matcher | |
2485 | if ( matcher[ expando ] ) { | |
2486 | // Find the next relative operator (if any) for proper handling | |
2487 | j = ++i; | |
2488 | for ( ; j < len; j++ ) { | |
2489 | if ( Expr.relative[ tokens[j].type ] ) { | |
2490 | break; | |
2491 | } | |
2492 | } | |
2493 | return setMatcher( | |
2494 | i > 1 && elementMatcher( matchers ), | |
2495 | i > 1 && toSelector( | |
2496 | // If the preceding token was a descendant combinator, insert an implicit any-element `*` | |
2497 | tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) | |
2498 | ).replace( rtrim, "$1" ), | |
2499 | matcher, | |
2500 | i < j && matcherFromTokens( tokens.slice( i, j ) ), | |
2501 | j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), | |
2502 | j < len && toSelector( tokens ) | |
2503 | ); | |
2504 | } | |
2505 | matchers.push( matcher ); | |
2506 | } | |
2507 | } | |
2508 | ||
2509 | return elementMatcher( matchers ); | |
2510 | } | |
2511 | ||
2512 | function matcherFromGroupMatchers( elementMatchers, setMatchers ) { | |
2513 | var bySet = setMatchers.length > 0, | |
2514 | byElement = elementMatchers.length > 0, | |
2515 | superMatcher = function( seed, context, xml, results, outermost ) { | |
2516 | var elem, j, matcher, | |
2517 | matchedCount = 0, | |
2518 | i = "0", | |
2519 | unmatched = seed && [], | |
2520 | setMatched = [], | |
2521 | contextBackup = outermostContext, | |
2522 | // We must always have either seed elements or outermost context | |
2523 | elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), | |
2524 | // Use integer dirruns iff this is the outermost matcher | |
2525 | dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), | |
2526 | len = elems.length; | |
2527 | ||
2528 | if ( outermost ) { | |
2529 | outermostContext = context === document || context || outermost; | |
2530 | } | |
2531 | ||
2532 | // Add elements passing elementMatchers directly to results | |
2533 | // Support: IE<9, Safari | |
2534 | // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id | |
2535 | for ( ; i !== len && (elem = elems[i]) != null; i++ ) { | |
2536 | if ( byElement && elem ) { | |
2537 | j = 0; | |
2538 | if ( !context && elem.ownerDocument !== document ) { | |
2539 | setDocument( elem ); | |
2540 | xml = !documentIsHTML; | |
2541 | } | |
2542 | while ( (matcher = elementMatchers[j++]) ) { | |
2543 | if ( matcher( elem, context || document, xml) ) { | |
2544 | results.push( elem ); | |
2545 | break; | |
2546 | } | |
2547 | } | |
2548 | if ( outermost ) { | |
2549 | dirruns = dirrunsUnique; | |
2550 | } | |
2551 | } | |
2552 | ||
2553 | // Track unmatched elements for set filters | |
2554 | if ( bySet ) { | |
2555 | // They will have gone through all possible matchers | |
2556 | if ( (elem = !matcher && elem) ) { | |
2557 | matchedCount--; | |
2558 | } | |
2559 | ||
2560 | // Lengthen the array for every element, matched or not | |
2561 | if ( seed ) { | |
2562 | unmatched.push( elem ); | |
2563 | } | |
2564 | } | |
2565 | } | |
2566 | ||
2567 | // `i` is now the count of elements visited above, and adding it to `matchedCount` | |
2568 | // makes the latter nonnegative. | |
2569 | matchedCount += i; | |
2570 | ||
2571 | // Apply set filters to unmatched elements | |
2572 | // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` | |
2573 | // equals `i`), unless we didn't visit _any_ elements in the above loop because we have | |
2574 | // no element matchers and no seed. | |
2575 | // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that | |
2576 | // case, which will result in a "00" `matchedCount` that differs from `i` but is also | |
2577 | // numerically zero. | |
2578 | if ( bySet && i !== matchedCount ) { | |
2579 | j = 0; | |
2580 | while ( (matcher = setMatchers[j++]) ) { | |
2581 | matcher( unmatched, setMatched, context, xml ); | |
2582 | } | |
2583 | ||
2584 | if ( seed ) { | |
2585 | // Reintegrate element matches to eliminate the need for sorting | |
2586 | if ( matchedCount > 0 ) { | |
2587 | while ( i-- ) { | |
2588 | if ( !(unmatched[i] || setMatched[i]) ) { | |
2589 | setMatched[i] = pop.call( results ); | |
2590 | } | |
2591 | } | |
2592 | } | |
2593 | ||
2594 | // Discard index placeholder values to get only actual matches | |
2595 | setMatched = condense( setMatched ); | |
2596 | } | |
2597 | ||
2598 | // Add matches to results | |
2599 | push.apply( results, setMatched ); | |
2600 | ||
2601 | // Seedless set matches succeeding multiple successful matchers stipulate sorting | |
2602 | if ( outermost && !seed && setMatched.length > 0 && | |
2603 | ( matchedCount + setMatchers.length ) > 1 ) { | |
2604 | ||
2605 | Sizzle.uniqueSort( results ); | |
2606 | } | |
2607 | } | |
2608 | ||
2609 | // Override manipulation of globals by nested matchers | |
2610 | if ( outermost ) { | |
2611 | dirruns = dirrunsUnique; | |
2612 | outermostContext = contextBackup; | |
2613 | } | |
2614 | ||
2615 | return unmatched; | |
2616 | }; | |
2617 | ||
2618 | return bySet ? | |
2619 | markFunction( superMatcher ) : | |
2620 | superMatcher; | |
2621 | } | |
2622 | ||
2623 | compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { | |
2624 | var i, | |
2625 | setMatchers = [], | |
2626 | elementMatchers = [], | |
2627 | cached = compilerCache[ selector + " " ]; | |
2628 | ||
2629 | if ( !cached ) { | |
2630 | // Generate a function of recursive functions that can be used to check each element | |
2631 | if ( !match ) { | |
2632 | match = tokenize( selector ); | |
2633 | } | |
2634 | i = match.length; | |
2635 | while ( i-- ) { | |
2636 | cached = matcherFromTokens( match[i] ); | |
2637 | if ( cached[ expando ] ) { | |
2638 | setMatchers.push( cached ); | |
2639 | } else { | |
2640 | elementMatchers.push( cached ); | |
2641 | } | |
2642 | } | |
2643 | ||
2644 | // Cache the compiled function | |
2645 | cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); | |
2646 | ||
2647 | // Save selector and tokenization | |
2648 | cached.selector = selector; | |
2649 | } | |
2650 | return cached; | |
2651 | }; | |
2652 | ||
2653 | /** | |
2654 | * A low-level selection function that works with Sizzle's compiled | |
2655 | * selector functions | |
2656 | * @param {String|Function} selector A selector or a pre-compiled | |
2657 | * selector function built with Sizzle.compile | |
2658 | * @param {Element} context | |
2659 | * @param {Array} [results] | |
2660 | * @param {Array} [seed] A set of elements to match against | |
2661 | */ | |
2662 | select = Sizzle.select = function( selector, context, results, seed ) { | |
2663 | var i, tokens, token, type, find, | |
2664 | compiled = typeof selector === "function" && selector, | |
2665 | match = !seed && tokenize( (selector = compiled.selector || selector) ); | |
2666 | ||
2667 | results = results || []; | |
2668 | ||
2669 | // Try to minimize operations if there is only one selector in the list and no seed | |
2670 | // (the latter of which guarantees us context) | |
2671 | if ( match.length === 1 ) { | |
2672 | ||
2673 | // Reduce context if the leading compound selector is an ID | |
2674 | tokens = match[0] = match[0].slice( 0 ); | |
2675 | if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && | |
2676 | context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) { | |
2677 | ||
2678 | context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; | |
2679 | if ( !context ) { | |
2680 | return results; | |
2681 | ||
2682 | // Precompiled matchers will still verify ancestry, so step up a level | |
2683 | } else if ( compiled ) { | |
2684 | context = context.parentNode; | |
2685 | } | |
2686 | ||
2687 | selector = selector.slice( tokens.shift().value.length ); | |
2688 | } | |
2689 | ||
2690 | // Fetch a seed set for right-to-left matching | |
2691 | i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; | |
2692 | while ( i-- ) { | |
2693 | token = tokens[i]; | |
2694 | ||
2695 | // Abort if we hit a combinator | |
2696 | if ( Expr.relative[ (type = token.type) ] ) { | |
2697 | break; | |
2698 | } | |
2699 | if ( (find = Expr.find[ type ]) ) { | |
2700 | // Search, expanding context for leading sibling combinators | |
2701 | if ( (seed = find( | |
2702 | token.matches[0].replace( runescape, funescape ), | |
2703 | rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context | |
2704 | )) ) { | |
2705 | ||
2706 | // If seed is empty or no tokens remain, we can return early | |
2707 | tokens.splice( i, 1 ); | |
2708 | selector = seed.length && toSelector( tokens ); | |
2709 | if ( !selector ) { | |
2710 | push.apply( results, seed ); | |
2711 | return results; | |
2712 | } | |
2713 | ||
2714 | break; | |
2715 | } | |
2716 | } | |
2717 | } | |
2718 | } | |
2719 | ||
2720 | // Compile and execute a filtering function if one is not provided | |
2721 | // Provide `match` to avoid retokenization if we modified the selector above | |
2722 | ( compiled || compile( selector, match ) )( | |
2723 | seed, | |
2724 | context, | |
2725 | !documentIsHTML, | |
2726 | results, | |
2727 | !context || rsibling.test( selector ) && testContext( context.parentNode ) || context | |
2728 | ); | |
2729 | return results; | |
2730 | }; | |
2731 | ||
2732 | // One-time assignments | |
2733 | ||
2734 | // Sort stability | |
2735 | support.sortStable = expando.split("").sort( sortOrder ).join("") === expando; | |
2736 | ||
2737 | // Support: Chrome 14-35+ | |
2738 | // Always assume duplicates if they aren't passed to the comparison function | |
2739 | support.detectDuplicates = !!hasDuplicate; | |
2740 | ||
2741 | // Initialize against the default document | |
2742 | setDocument(); | |
2743 | ||
2744 | // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) | |
2745 | // Detached nodes confoundingly follow *each other* | |
2746 | support.sortDetached = assert(function( el ) { | |
2747 | // Should return 1, but returns 4 (following) | |
2748 | return el.compareDocumentPosition( document.createElement("fieldset") ) & 1; | |
2749 | }); | |
2750 | ||
2751 | // Support: IE<8 | |
2752 | // Prevent attribute/property "interpolation" | |
2753 | // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx | |
2754 | if ( !assert(function( el ) { | |
2755 | el.innerHTML = "<a href='#'></a>"; | |
2756 | return el.firstChild.getAttribute("href") === "#" ; | |
2757 | }) ) { | |
2758 | addHandle( "type|href|height|width", function( elem, name, isXML ) { | |
2759 | if ( !isXML ) { | |
2760 | return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); | |
2761 | } | |
2762 | }); | |
2763 | } | |
2764 | ||
2765 | // Support: IE<9 | |
2766 | // Use defaultValue in place of getAttribute("value") | |
2767 | if ( !support.attributes || !assert(function( el ) { | |
2768 | el.innerHTML = "<input/>"; | |
2769 | el.firstChild.setAttribute( "value", "" ); | |
2770 | return el.firstChild.getAttribute( "value" ) === ""; | |
2771 | }) ) { | |
2772 | addHandle( "value", function( elem, name, isXML ) { | |
2773 | if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { | |
2774 | return elem.defaultValue; | |
2775 | } | |
2776 | }); | |
2777 | } | |
2778 | ||
2779 | // Support: IE<9 | |
2780 | // Use getAttributeNode to fetch booleans when getAttribute lies | |
2781 | if ( !assert(function( el ) { | |
2782 | return el.getAttribute("disabled") == null; | |
2783 | }) ) { | |
2784 | addHandle( booleans, function( elem, name, isXML ) { | |
2785 | var val; | |
2786 | if ( !isXML ) { | |
2787 | return elem[ name ] === true ? name.toLowerCase() : | |
2788 | (val = elem.getAttributeNode( name )) && val.specified ? | |
2789 | val.value : | |
2790 | null; | |
2791 | } | |
2792 | }); | |
2793 | } | |
2794 | ||
2795 | return Sizzle; | |
2796 | ||
2797 | })( window ); | |
2798 | ||
2799 | ||
2800 | ||
2801 | jQuery.find = Sizzle; | |
2802 | jQuery.expr = Sizzle.selectors; | |
2803 | ||
2804 | // Deprecated | |
2805 | jQuery.expr[ ":" ] = jQuery.expr.pseudos; | |
2806 | jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort; | |
2807 | jQuery.text = Sizzle.getText; | |
2808 | jQuery.isXMLDoc = Sizzle.isXML; | |
2809 | jQuery.contains = Sizzle.contains; | |
2810 | jQuery.escapeSelector = Sizzle.escape; | |
2811 | ||
2812 | ||
2813 | ||
2814 | ||
2815 | var dir = function( elem, dir, until ) { | |
2816 | var matched = [], | |
2817 | truncate = until !== undefined; | |
2818 | ||
2819 | while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { | |
2820 | if ( elem.nodeType === 1 ) { | |
2821 | if ( truncate && jQuery( elem ).is( until ) ) { | |
2822 | break; | |
2823 | } | |
2824 | matched.push( elem ); | |
2825 | } | |
2826 | } | |
2827 | return matched; | |
2828 | }; | |
2829 | ||
2830 | ||
2831 | var siblings = function( n, elem ) { | |
2832 | var matched = []; | |
2833 | ||
2834 | for ( ; n; n = n.nextSibling ) { | |
2835 | if ( n.nodeType === 1 && n !== elem ) { | |
2836 | matched.push( n ); | |
2837 | } | |
2838 | } | |
2839 | ||
2840 | return matched; | |
2841 | }; | |
2842 | ||
2843 | ||
2844 | var rneedsContext = jQuery.expr.match.needsContext; | |
2845 | ||
2846 | var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i ); | |
2847 | ||
2848 | ||
2849 | ||
2850 | var risSimple = /^.[^:#\[\.,]*$/; | |
2851 | ||
2852 | // Implement the identical functionality for filter and not | |
2853 | function winnow( elements, qualifier, not ) { | |
2854 | if ( jQuery.isFunction( qualifier ) ) { | |
2855 | return jQuery.grep( elements, function( elem, i ) { | |
2856 | return !!qualifier.call( elem, i, elem ) !== not; | |
2857 | } ); | |
2858 | } | |
2859 | ||
2860 | // Single element | |
2861 | if ( qualifier.nodeType ) { | |
2862 | return jQuery.grep( elements, function( elem ) { | |
2863 | return ( elem === qualifier ) !== not; | |
2864 | } ); | |
2865 | } | |
2866 | ||
2867 | // Arraylike of elements (jQuery, arguments, Array) | |
2868 | if ( typeof qualifier !== "string" ) { | |
2869 | return jQuery.grep( elements, function( elem ) { | |
2870 | return ( indexOf.call( qualifier, elem ) > -1 ) !== not; | |
2871 | } ); | |
2872 | } | |
2873 | ||
2874 | // Simple selector that can be filtered directly, removing non-Elements | |
2875 | if ( risSimple.test( qualifier ) ) { | |
2876 | return jQuery.filter( qualifier, elements, not ); | |
2877 | } | |
2878 | ||
2879 | // Complex selector, compare the two sets, removing non-Elements | |
2880 | qualifier = jQuery.filter( qualifier, elements ); | |
2881 | return jQuery.grep( elements, function( elem ) { | |
2882 | return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1; | |
2883 | } ); | |
2884 | } | |
2885 | ||
2886 | jQuery.filter = function( expr, elems, not ) { | |
2887 | var elem = elems[ 0 ]; | |
2888 | ||
2889 | if ( not ) { | |
2890 | expr = ":not(" + expr + ")"; | |
2891 | } | |
2892 | ||
2893 | if ( elems.length === 1 && elem.nodeType === 1 ) { | |
2894 | return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; | |
2895 | } | |
2896 | ||
2897 | return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { | |
2898 | return elem.nodeType === 1; | |
2899 | } ) ); | |
2900 | }; | |
2901 | ||
2902 | jQuery.fn.extend( { | |
2903 | find: function( selector ) { | |
2904 | var i, ret, | |
2905 | len = this.length, | |
2906 | self = this; | |
2907 | ||
2908 | if ( typeof selector !== "string" ) { | |
2909 | return this.pushStack( jQuery( selector ).filter( function() { | |
2910 | for ( i = 0; i < len; i++ ) { | |
2911 | if ( jQuery.contains( self[ i ], this ) ) { | |
2912 | return true; | |
2913 | } | |
2914 | } | |
2915 | } ) ); | |
2916 | } | |
2917 | ||
2918 | ret = this.pushStack( [] ); | |
2919 | ||
2920 | for ( i = 0; i < len; i++ ) { | |
2921 | jQuery.find( selector, self[ i ], ret ); | |
2922 | } | |
2923 | ||
2924 | return len > 1 ? jQuery.uniqueSort( ret ) : ret; | |
2925 | }, | |
2926 | filter: function( selector ) { | |
2927 | return this.pushStack( winnow( this, selector || [], false ) ); | |
2928 | }, | |
2929 | not: function( selector ) { | |
2930 | return this.pushStack( winnow( this, selector || [], true ) ); | |
2931 | }, | |
2932 | is: function( selector ) { | |
2933 | return !!winnow( | |
2934 | this, | |
2935 | ||
2936 | // If this is a positional/relative selector, check membership in the returned set | |
2937 | // so $("p:first").is("p:last") won't return true for a doc with two "p". | |
2938 | typeof selector === "string" && rneedsContext.test( selector ) ? | |
2939 | jQuery( selector ) : | |
2940 | selector || [], | |
2941 | false | |
2942 | ).length; | |
2943 | } | |
2944 | } ); | |
2945 | ||
2946 | ||
2947 | // Initialize a jQuery object | |
2948 | ||
2949 | ||
2950 | // A central reference to the root jQuery(document) | |
2951 | var rootjQuery, | |
2952 | ||
2953 | // A simple way to check for HTML strings | |
2954 | // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) | |
2955 | // Strict HTML recognition (#11290: must start with <) | |
2956 | // Shortcut simple #id case for speed | |
2957 | rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/, | |
2958 | ||
2959 | init = jQuery.fn.init = function( selector, context, root ) { | |
2960 | var match, elem; | |
2961 | ||
2962 | // HANDLE: $(""), $(null), $(undefined), $(false) | |
2963 | if ( !selector ) { | |
2964 | return this; | |
2965 | } | |
2966 | ||
2967 | // Method init() accepts an alternate rootjQuery | |
2968 | // so migrate can support jQuery.sub (gh-2101) | |
2969 | root = root || rootjQuery; | |
2970 | ||
2971 | // Handle HTML strings | |
2972 | if ( typeof selector === "string" ) { | |
2973 | if ( selector[ 0 ] === "<" && | |
2974 | selector[ selector.length - 1 ] === ">" && | |
2975 | selector.length >= 3 ) { | |
2976 | ||
2977 | // Assume that strings that start and end with <> are HTML and skip the regex check | |
2978 | match = [ null, selector, null ]; | |
2979 | ||
2980 | } else { | |
2981 | match = rquickExpr.exec( selector ); | |
2982 | } | |
2983 | ||
2984 | // Match html or make sure no context is specified for #id | |
2985 | if ( match && ( match[ 1 ] || !context ) ) { | |
2986 | ||
2987 | // HANDLE: $(html) -> $(array) | |
2988 | if ( match[ 1 ] ) { | |
2989 | context = context instanceof jQuery ? context[ 0 ] : context; | |
2990 | ||
2991 | // Option to run scripts is true for back-compat | |
2992 | // Intentionally let the error be thrown if parseHTML is not present | |
2993 | jQuery.merge( this, jQuery.parseHTML( | |
2994 | match[ 1 ], | |
2995 | context && context.nodeType ? context.ownerDocument || context : document, | |
2996 | true | |
2997 | ) ); | |
2998 | ||
2999 | // HANDLE: $(html, props) | |
3000 | if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { | |
3001 | for ( match in context ) { | |
3002 | ||
3003 | // Properties of context are called as methods if possible | |
3004 | if ( jQuery.isFunction( this[ match ] ) ) { | |
3005 | this[ match ]( context[ match ] ); | |
3006 | ||
3007 | // ...and otherwise set as attributes | |
3008 | } else { | |
3009 | this.attr( match, context[ match ] ); | |
3010 | } | |
3011 | } | |
3012 | } | |
3013 | ||
3014 | return this; | |
3015 | ||
3016 | // HANDLE: $(#id) | |
3017 | } else { | |
3018 | elem = document.getElementById( match[ 2 ] ); | |
3019 | ||
3020 | if ( elem ) { | |
3021 | ||
3022 | // Inject the element directly into the jQuery object | |
3023 | this[ 0 ] = elem; | |
3024 | this.length = 1; | |
3025 | } | |
3026 | return this; | |
3027 | } | |
3028 | ||
3029 | // HANDLE: $(expr, $(...)) | |
3030 | } else if ( !context || context.jquery ) { | |
3031 | return ( context || root ).find( selector ); | |
3032 | ||
3033 | // HANDLE: $(expr, context) | |
3034 | // (which is just equivalent to: $(context).find(expr) | |
3035 | } else { | |
3036 | return this.constructor( context ).find( selector ); | |
3037 | } | |
3038 | ||
3039 | // HANDLE: $(DOMElement) | |
3040 | } else if ( selector.nodeType ) { | |
3041 | this[ 0 ] = selector; | |
3042 | this.length = 1; | |
3043 | return this; | |
3044 | ||
3045 | // HANDLE: $(function) | |
3046 | // Shortcut for document ready | |
3047 | } else if ( jQuery.isFunction( selector ) ) { | |
3048 | return root.ready !== undefined ? | |
3049 | root.ready( selector ) : | |
3050 | ||
3051 | // Execute immediately if ready is not present | |
3052 | selector( jQuery ); | |
3053 | } | |
3054 | ||
3055 | return jQuery.makeArray( selector, this ); | |
3056 | }; | |
3057 | ||
3058 | // Give the init function the jQuery prototype for later instantiation | |
3059 | init.prototype = jQuery.fn; | |
3060 | ||
3061 | // Initialize central reference | |
3062 | rootjQuery = jQuery( document ); | |
3063 | ||
3064 | ||
3065 | var rparentsprev = /^(?:parents|prev(?:Until|All))/, | |
3066 | ||
3067 | // Methods guaranteed to produce a unique set when starting from a unique set | |
3068 | guaranteedUnique = { | |
3069 | children: true, | |
3070 | contents: true, | |
3071 | next: true, | |
3072 | prev: true | |
3073 | }; | |
3074 | ||
3075 | jQuery.fn.extend( { | |
3076 | has: function( target ) { | |
3077 | var targets = jQuery( target, this ), | |
3078 | l = targets.length; | |
3079 | ||
3080 | return this.filter( function() { | |
3081 | var i = 0; | |
3082 | for ( ; i < l; i++ ) { | |
3083 | if ( jQuery.contains( this, targets[ i ] ) ) { | |
3084 | return true; | |
3085 | } | |
3086 | } | |
3087 | } ); | |
3088 | }, | |
3089 | ||
3090 | closest: function( selectors, context ) { | |
3091 | var cur, | |
3092 | i = 0, | |
3093 | l = this.length, | |
3094 | matched = [], | |
3095 | targets = typeof selectors !== "string" && jQuery( selectors ); | |
3096 | ||
3097 | // Positional selectors never match, since there's no _selection_ context | |
3098 | if ( !rneedsContext.test( selectors ) ) { | |
3099 | for ( ; i < l; i++ ) { | |
3100 | for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) { | |
3101 | ||
3102 | // Always skip document fragments | |
3103 | if ( cur.nodeType < 11 && ( targets ? | |
3104 | targets.index( cur ) > -1 : | |
3105 | ||
3106 | // Don't pass non-elements to Sizzle | |
3107 | cur.nodeType === 1 && | |
3108 | jQuery.find.matchesSelector( cur, selectors ) ) ) { | |
3109 | ||
3110 | matched.push( cur ); | |
3111 | break; | |
3112 | } | |
3113 | } | |
3114 | } | |
3115 | } | |
3116 | ||
3117 | return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); | |
3118 | }, | |
3119 | ||
3120 | // Determine the position of an element within the set | |
3121 | index: function( elem ) { | |
3122 | ||
3123 | // No argument, return index in parent | |
3124 | if ( !elem ) { | |
3125 | return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; | |
3126 | } | |
3127 | ||
3128 | // Index in selector | |
3129 | if ( typeof elem === "string" ) { | |
3130 | return indexOf.call( jQuery( elem ), this[ 0 ] ); | |
3131 | } | |
3132 | ||
3133 | // Locate the position of the desired element | |
3134 | return indexOf.call( this, | |
3135 | ||
3136 | // If it receives a jQuery object, the first element is used | |
3137 | elem.jquery ? elem[ 0 ] : elem | |
3138 | ); | |
3139 | }, | |
3140 | ||
3141 | add: function( selector, context ) { | |
3142 | return this.pushStack( | |
3143 | jQuery.uniqueSort( | |
3144 | jQuery.merge( this.get(), jQuery( selector, context ) ) | |
3145 | ) | |
3146 | ); | |
3147 | }, | |
3148 | ||
3149 | addBack: function( selector ) { | |
3150 | return this.add( selector == null ? | |
3151 | this.prevObject : this.prevObject.filter( selector ) | |
3152 | ); | |
3153 | } | |
3154 | } ); | |
3155 | ||
3156 | function sibling( cur, dir ) { | |
3157 | while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} | |
3158 | return cur; | |
3159 | } | |
3160 | ||
3161 | jQuery.each( { | |
3162 | parent: function( elem ) { | |
3163 | var parent = elem.parentNode; | |
3164 | return parent && parent.nodeType !== 11 ? parent : null; | |
3165 | }, | |
3166 | parents: function( elem ) { | |
3167 | return dir( elem, "parentNode" ); | |
3168 | }, | |
3169 | parentsUntil: function( elem, i, until ) { | |
3170 | return dir( elem, "parentNode", until ); | |
3171 | }, | |
3172 | next: function( elem ) { | |
3173 | return sibling( elem, "nextSibling" ); | |
3174 | }, | |
3175 | prev: function( elem ) { | |
3176 | return sibling( elem, "previousSibling" ); | |
3177 | }, | |
3178 | nextAll: function( elem ) { | |
3179 | return dir( elem, "nextSibling" ); | |
3180 | }, | |
3181 | prevAll: function( elem ) { | |
3182 | return dir( elem, "previousSibling" ); | |
3183 | }, | |
3184 | nextUntil: function( elem, i, until ) { | |
3185 | return dir( elem, "nextSibling", until ); | |
3186 | }, | |
3187 | prevUntil: function( elem, i, until ) { | |
3188 | return dir( elem, "previousSibling", until ); | |
3189 | }, | |
3190 | siblings: function( elem ) { | |
3191 | return siblings( ( elem.parentNode || {} ).firstChild, elem ); | |
3192 | }, | |
3193 | children: function( elem ) { | |
3194 | return siblings( elem.firstChild ); | |
3195 | }, | |
3196 | contents: function( elem ) { | |
3197 | return elem.contentDocument || jQuery.merge( [], elem.childNodes ); | |
3198 | } | |
3199 | }, function( name, fn ) { | |
3200 | jQuery.fn[ name ] = function( until, selector ) { | |
3201 | var matched = jQuery.map( this, fn, until ); | |
3202 | ||
3203 | if ( name.slice( -5 ) !== "Until" ) { | |
3204 | selector = until; | |
3205 | } | |
3206 | ||
3207 | if ( selector && typeof selector === "string" ) { | |
3208 | matched = jQuery.filter( selector, matched ); | |
3209 | } | |
3210 | ||
3211 | if ( this.length > 1 ) { | |
3212 | ||
3213 | // Remove duplicates | |
3214 | if ( !guaranteedUnique[ name ] ) { | |
3215 | jQuery.uniqueSort( matched ); | |
3216 | } | |
3217 | ||
3218 | // Reverse order for parents* and prev-derivatives | |
3219 | if ( rparentsprev.test( name ) ) { | |
3220 | matched.reverse(); | |
3221 | } | |
3222 | } | |
3223 | ||
3224 | return this.pushStack( matched ); | |
3225 | }; | |
3226 | } ); | |
3227 | var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g ); | |
3228 | ||
3229 | ||
3230 | ||
3231 | // Convert String-formatted options into Object-formatted ones | |
3232 | function createOptions( options ) { | |
3233 | var object = {}; | |
3234 | jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) { | |
3235 | object[ flag ] = true; | |
3236 | } ); | |
3237 | return object; | |
3238 | } | |
3239 | ||
3240 | /* | |
3241 | * Create a callback list using the following parameters: | |
3242 | * | |
3243 | * options: an optional list of space-separated options that will change how | |
3244 | * the callback list behaves or a more traditional option object | |
3245 | * | |
3246 | * By default a callback list will act like an event callback list and can be | |
3247 | * "fired" multiple times. | |
3248 | * | |
3249 | * Possible options: | |
3250 | * | |
3251 | * once: will ensure the callback list can only be fired once (like a Deferred) | |
3252 | * | |
3253 | * memory: will keep track of previous values and will call any callback added | |
3254 | * after the list has been fired right away with the latest "memorized" | |
3255 | * values (like a Deferred) | |
3256 | * | |
3257 | * unique: will ensure a callback can only be added once (no duplicate in the list) | |
3258 | * | |
3259 | * stopOnFalse: interrupt callings when a callback returns false | |
3260 | * | |
3261 | */ | |
3262 | jQuery.Callbacks = function( options ) { | |
3263 | ||
3264 | // Convert options from String-formatted to Object-formatted if needed | |
3265 | // (we check in cache first) | |
3266 | options = typeof options === "string" ? | |
3267 | createOptions( options ) : | |
3268 | jQuery.extend( {}, options ); | |
3269 | ||
3270 | var // Flag to know if list is currently firing | |
3271 | firing, | |
3272 | ||
3273 | // Last fire value for non-forgettable lists | |
3274 | memory, | |
3275 | ||
3276 | // Flag to know if list was already fired | |
3277 | fired, | |
3278 | ||
3279 | // Flag to prevent firing | |
3280 | locked, | |
3281 | ||
3282 | // Actual callback list | |
3283 | list = [], | |
3284 | ||
3285 | // Queue of execution data for repeatable lists | |
3286 | queue = [], | |
3287 | ||
3288 | // Index of currently firing callback (modified by add/remove as needed) | |
3289 | firingIndex = -1, | |
3290 | ||
3291 | // Fire callbacks | |
3292 | fire = function() { | |
3293 | ||
3294 | // Enforce single-firing | |
3295 | locked = options.once; | |
3296 | ||
3297 | // Execute callbacks for all pending executions, | |
3298 | // respecting firingIndex overrides and runtime changes | |
3299 | fired = firing = true; | |
3300 | for ( ; queue.length; firingIndex = -1 ) { | |
3301 | memory = queue.shift(); | |
3302 | while ( ++firingIndex < list.length ) { | |
3303 | ||
3304 | // Run callback and check for early termination | |
3305 | if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && | |
3306 | options.stopOnFalse ) { | |
3307 | ||
3308 | // Jump to end and forget the data so .add doesn't re-fire | |
3309 | firingIndex = list.length; | |
3310 | memory = false; | |
3311 | } | |
3312 | } | |
3313 | } | |
3314 | ||
3315 | // Forget the data if we're done with it | |
3316 | if ( !options.memory ) { | |
3317 | memory = false; | |
3318 | } | |
3319 | ||
3320 | firing = false; | |
3321 | ||
3322 | // Clean up if we're done firing for good | |
3323 | if ( locked ) { | |
3324 | ||
3325 | // Keep an empty list if we have data for future add calls | |
3326 | if ( memory ) { | |
3327 | list = []; | |
3328 | ||
3329 | // Otherwise, this object is spent | |
3330 | } else { | |
3331 | list = ""; | |
3332 | } | |
3333 | } | |
3334 | }, | |
3335 | ||
3336 | // Actual Callbacks object | |
3337 | self = { | |
3338 | ||
3339 | // Add a callback or a collection of callbacks to the list | |
3340 | add: function() { | |
3341 | if ( list ) { | |
3342 | ||
3343 | // If we have memory from a past run, we should fire after adding | |
3344 | if ( memory && !firing ) { | |
3345 | firingIndex = list.length - 1; | |
3346 | queue.push( memory ); | |
3347 | } | |
3348 | ||
3349 | ( function add( args ) { | |
3350 | jQuery.each( args, function( _, arg ) { | |
3351 | if ( jQuery.isFunction( arg ) ) { | |
3352 | if ( !options.unique || !self.has( arg ) ) { | |
3353 | list.push( arg ); | |
3354 | } | |
3355 | } else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) { | |
3356 | ||
3357 | // Inspect recursively | |
3358 | add( arg ); | |
3359 | } | |
3360 | } ); | |
3361 | } )( arguments ); | |
3362 | ||
3363 | if ( memory && !firing ) { | |
3364 | fire(); | |
3365 | } | |
3366 | } | |
3367 | return this; | |
3368 | }, | |
3369 | ||
3370 | // Remove a callback from the list | |
3371 | remove: function() { | |
3372 | jQuery.each( arguments, function( _, arg ) { | |
3373 | var index; | |
3374 | while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { | |
3375 | list.splice( index, 1 ); | |
3376 | ||
3377 | // Handle firing indexes | |
3378 | if ( index <= firingIndex ) { | |
3379 | firingIndex--; | |
3380 | } | |
3381 | } | |
3382 | } ); | |
3383 | return this; | |
3384 | }, | |
3385 | ||
3386 | // Check if a given callback is in the list. | |
3387 | // If no argument is given, return whether or not list has callbacks attached. | |
3388 | has: function( fn ) { | |
3389 | return fn ? | |
3390 | jQuery.inArray( fn, list ) > -1 : | |
3391 | list.length > 0; | |
3392 | }, | |
3393 | ||
3394 | // Remove all callbacks from the list | |
3395 | empty: function() { | |
3396 | if ( list ) { | |
3397 | list = []; | |
3398 | } | |
3399 | return this; | |
3400 | }, | |
3401 | ||
3402 | // Disable .fire and .add | |
3403 | // Abort any current/pending executions | |
3404 | // Clear all callbacks and values | |
3405 | disable: function() { | |
3406 | locked = queue = []; | |
3407 | list = memory = ""; | |
3408 | return this; | |
3409 | }, | |
3410 | disabled: function() { | |
3411 | return !list; | |
3412 | }, | |
3413 | ||
3414 | // Disable .fire | |
3415 | // Also disable .add unless we have memory (since it would have no effect) | |
3416 | // Abort any pending executions | |
3417 | lock: function() { | |
3418 | locked = queue = []; | |
3419 | if ( !memory && !firing ) { | |
3420 | list = memory = ""; | |
3421 | } | |
3422 | return this; | |
3423 | }, | |
3424 | locked: function() { | |
3425 | return !!locked; | |
3426 | }, | |
3427 | ||
3428 | // Call all callbacks with the given context and arguments | |
3429 | fireWith: function( context, args ) { | |
3430 | if ( !locked ) { | |
3431 | args = args || []; | |
3432 | args = [ context, args.slice ? args.slice() : args ]; | |
3433 | queue.push( args ); | |
3434 | if ( !firing ) { | |
3435 | fire(); | |
3436 | } | |
3437 | } | |
3438 | return this; | |
3439 | }, | |
3440 | ||
3441 | // Call all the callbacks with the given arguments | |
3442 | fire: function() { | |
3443 | self.fireWith( this, arguments ); | |
3444 | return this; | |
3445 | }, | |
3446 | ||
3447 | // To know if the callbacks have already been called at least once | |
3448 | fired: function() { | |
3449 | return !!fired; | |
3450 | } | |
3451 | }; | |
3452 | ||
3453 | return self; | |
3454 | }; | |
3455 | ||
3456 | ||
3457 | function Identity( v ) { | |
3458 | return v; | |
3459 | } | |
3460 | function Thrower( ex ) { | |
3461 | throw ex; | |
3462 | } | |
3463 | ||
3464 | function adoptValue( value, resolve, reject ) { | |
3465 | var method; | |
3466 | ||
3467 | try { | |
3468 | ||
3469 | // Check for promise aspect first to privilege synchronous behavior | |
3470 | if ( value && jQuery.isFunction( ( method = value.promise ) ) ) { | |
3471 | method.call( value ).done( resolve ).fail( reject ); | |
3472 | ||
3473 | // Other thenables | |
3474 | } else if ( value && jQuery.isFunction( ( method = value.then ) ) ) { | |
3475 | method.call( value, resolve, reject ); | |
3476 | ||
3477 | // Other non-thenables | |
3478 | } else { | |
3479 | ||
3480 | // Support: Android 4.0 only | |
3481 | // Strict mode functions invoked without .call/.apply get global-object context | |
3482 | resolve.call( undefined, value ); | |
3483 | } | |
3484 | ||
3485 | // For Promises/A+, convert exceptions into rejections | |
3486 | // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in | |
3487 | // Deferred#then to conditionally suppress rejection. | |
3488 | } catch ( value ) { | |
3489 | ||
3490 | // Support: Android 4.0 only | |
3491 | // Strict mode functions invoked without .call/.apply get global-object context | |
3492 | reject.call( undefined, value ); | |
3493 | } | |
3494 | } | |
3495 | ||
3496 | jQuery.extend( { | |
3497 | ||
3498 | Deferred: function( func ) { | |
3499 | var tuples = [ | |
3500 | ||
3501 | // action, add listener, callbacks, | |
3502 | // ... .then handlers, argument index, [final state] | |
3503 | [ "notify", "progress", jQuery.Callbacks( "memory" ), | |
3504 | jQuery.Callbacks( "memory" ), 2 ], | |
3505 | [ "resolve", "done", jQuery.Callbacks( "once memory" ), | |
3506 | jQuery.Callbacks( "once memory" ), 0, "resolved" ], | |
3507 | [ "reject", "fail", jQuery.Callbacks( "once memory" ), | |
3508 | jQuery.Callbacks( "once memory" ), 1, "rejected" ] | |
3509 | ], | |
3510 | state = "pending", | |
3511 | promise = { | |
3512 | state: function() { | |
3513 | return state; | |
3514 | }, | |
3515 | always: function() { | |
3516 | deferred.done( arguments ).fail( arguments ); | |
3517 | return this; | |
3518 | }, | |
3519 | "catch": function( fn ) { | |
3520 | return promise.then( null, fn ); | |
3521 | }, | |
3522 | ||
3523 | // Keep pipe for back-compat | |
3524 | pipe: function( /* fnDone, fnFail, fnProgress */ ) { | |
3525 | var fns = arguments; | |
3526 | ||
3527 | return jQuery.Deferred( function( newDefer ) { | |
3528 | jQuery.each( tuples, function( i, tuple ) { | |
3529 | ||
3530 | // Map tuples (progress, done, fail) to arguments (done, fail, progress) | |
3531 | var fn = jQuery.isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ]; | |
3532 | ||
3533 | // deferred.progress(function() { bind to newDefer or newDefer.notify }) | |
3534 | // deferred.done(function() { bind to newDefer or newDefer.resolve }) | |
3535 | // deferred.fail(function() { bind to newDefer or newDefer.reject }) | |
3536 | deferred[ tuple[ 1 ] ]( function() { | |
3537 | var returned = fn && fn.apply( this, arguments ); | |
3538 | if ( returned && jQuery.isFunction( returned.promise ) ) { | |
3539 | returned.promise() | |
3540 | .progress( newDefer.notify ) | |
3541 | .done( newDefer.resolve ) | |
3542 | .fail( newDefer.reject ); | |
3543 | } else { | |
3544 | newDefer[ tuple[ 0 ] + "With" ]( | |
3545 | this, | |
3546 | fn ? [ returned ] : arguments | |
3547 | ); | |
3548 | } | |
3549 | } ); | |
3550 | } ); | |
3551 | fns = null; | |
3552 | } ).promise(); | |
3553 | }, | |
3554 | then: function( onFulfilled, onRejected, onProgress ) { | |
3555 | var maxDepth = 0; | |
3556 | function resolve( depth, deferred, handler, special ) { | |
3557 | return function() { | |
3558 | var that = this, | |
3559 | args = arguments, | |
3560 | mightThrow = function() { | |
3561 | var returned, then; | |
3562 | ||
3563 | // Support: Promises/A+ section 2.3.3.3.3 | |
3564 | // https://promisesaplus.com/#point-59 | |
3565 | // Ignore double-resolution attempts | |
3566 | if ( depth < maxDepth ) { | |
3567 | return; | |
3568 | } | |
3569 | ||
3570 | returned = handler.apply( that, args ); | |
3571 | ||
3572 | // Support: Promises/A+ section 2.3.1 | |
3573 | // https://promisesaplus.com/#point-48 | |
3574 | if ( returned === deferred.promise() ) { | |
3575 | throw new TypeError( "Thenable self-resolution" ); | |
3576 | } | |
3577 | ||
3578 | // Support: Promises/A+ sections 2.3.3.1, 3.5 | |
3579 | // https://promisesaplus.com/#point-54 | |
3580 | // https://promisesaplus.com/#point-75 | |
3581 | // Retrieve `then` only once | |
3582 | then = returned && | |
3583 | ||
3584 | // Support: Promises/A+ section 2.3.4 | |
3585 | // https://promisesaplus.com/#point-64 | |
3586 | // Only check objects and functions for thenability | |
3587 | ( typeof returned === "object" || | |
3588 | typeof returned === "function" ) && | |
3589 | returned.then; | |
3590 | ||
3591 | // Handle a returned thenable | |
3592 | if ( jQuery.isFunction( then ) ) { | |
3593 | ||
3594 | // Special processors (notify) just wait for resolution | |
3595 | if ( special ) { | |
3596 | then.call( | |
3597 | returned, | |
3598 | resolve( maxDepth, deferred, Identity, special ), | |
3599 | resolve( maxDepth, deferred, Thrower, special ) | |
3600 | ); | |
3601 | ||
3602 | // Normal processors (resolve) also hook into progress | |
3603 | } else { | |
3604 | ||
3605 | // ...and disregard older resolution values | |
3606 | maxDepth++; | |
3607 | ||
3608 | then.call( | |
3609 | returned, | |
3610 | resolve( maxDepth, deferred, Identity, special ), | |
3611 | resolve( maxDepth, deferred, Thrower, special ), | |
3612 | resolve( maxDepth, deferred, Identity, | |
3613 | deferred.notifyWith ) | |
3614 | ); | |
3615 | } | |
3616 | ||
3617 | // Handle all other returned values | |
3618 | } else { | |
3619 | ||
3620 | // Only substitute handlers pass on context | |
3621 | // and multiple values (non-spec behavior) | |
3622 | if ( handler !== Identity ) { | |
3623 | that = undefined; | |
3624 | args = [ returned ]; | |
3625 | } | |
3626 | ||
3627 | // Process the value(s) | |
3628 | // Default process is resolve | |
3629 | ( special || deferred.resolveWith )( that, args ); | |
3630 | } | |
3631 | }, | |
3632 | ||
3633 | // Only normal processors (resolve) catch and reject exceptions | |
3634 | process = special ? | |
3635 | mightThrow : | |
3636 | function() { | |
3637 | try { | |
3638 | mightThrow(); | |
3639 | } catch ( e ) { | |
3640 | ||
3641 | if ( jQuery.Deferred.exceptionHook ) { | |
3642 | jQuery.Deferred.exceptionHook( e, | |
3643 | process.stackTrace ); | |
3644 | } | |
3645 | ||
3646 | // Support: Promises/A+ section 2.3.3.3.4.1 | |
3647 | // https://promisesaplus.com/#point-61 | |
3648 | // Ignore post-resolution exceptions | |
3649 | if ( depth + 1 >= maxDepth ) { | |
3650 | ||
3651 | // Only substitute handlers pass on context | |
3652 | // and multiple values (non-spec behavior) | |
3653 | if ( handler !== Thrower ) { | |
3654 | that = undefined; | |
3655 | args = [ e ]; | |
3656 | } | |
3657 | ||
3658 | deferred.rejectWith( that, args ); | |
3659 | } | |
3660 | } | |
3661 | }; | |
3662 | ||
3663 | // Support: Promises/A+ section 2.3.3.3.1 | |
3664 | // https://promisesaplus.com/#point-57 | |
3665 | // Re-resolve promises immediately to dodge false rejection from | |
3666 | // subsequent errors | |
3667 | if ( depth ) { | |
3668 | process(); | |
3669 | } else { | |
3670 | ||
3671 | // Call an optional hook to record the stack, in case of exception | |
3672 | // since it's otherwise lost when execution goes async | |
3673 | if ( jQuery.Deferred.getStackHook ) { | |
3674 | process.stackTrace = jQuery.Deferred.getStackHook(); | |
3675 | } | |
3676 | window.setTimeout( process ); | |
3677 | } | |
3678 | }; | |
3679 | } | |
3680 | ||
3681 | return jQuery.Deferred( function( newDefer ) { | |
3682 | ||
3683 | // progress_handlers.add( ... ) | |
3684 | tuples[ 0 ][ 3 ].add( | |
3685 | resolve( | |
3686 | 0, | |
3687 | newDefer, | |
3688 | jQuery.isFunction( onProgress ) ? | |
3689 | onProgress : | |
3690 | Identity, | |
3691 | newDefer.notifyWith | |
3692 | ) | |
3693 | ); | |
3694 | ||
3695 | // fulfilled_handlers.add( ... ) | |
3696 | tuples[ 1 ][ 3 ].add( | |
3697 | resolve( | |
3698 | 0, | |
3699 | newDefer, | |
3700 | jQuery.isFunction( onFulfilled ) ? | |
3701 | onFulfilled : | |
3702 | Identity | |
3703 | ) | |
3704 | ); | |
3705 | ||
3706 | // rejected_handlers.add( ... ) | |
3707 | tuples[ 2 ][ 3 ].add( | |
3708 | resolve( | |
3709 | 0, | |
3710 | newDefer, | |
3711 | jQuery.isFunction( onRejected ) ? | |
3712 | onRejected : | |
3713 | Thrower | |
3714 | ) | |
3715 | ); | |
3716 | } ).promise(); | |
3717 | }, | |
3718 | ||
3719 | // Get a promise for this deferred | |
3720 | // If obj is provided, the promise aspect is added to the object | |
3721 | promise: function( obj ) { | |
3722 | return obj != null ? jQuery.extend( obj, promise ) : promise; | |
3723 | } | |
3724 | }, | |
3725 | deferred = {}; | |
3726 | ||
3727 | // Add list-specific methods | |
3728 | jQuery.each( tuples, function( i, tuple ) { | |
3729 | var list = tuple[ 2 ], | |
3730 | stateString = tuple[ 5 ]; | |
3731 | ||
3732 | // promise.progress = list.add | |
3733 | // promise.done = list.add | |
3734 | // promise.fail = list.add | |
3735 | promise[ tuple[ 1 ] ] = list.add; | |
3736 | ||
3737 | // Handle state | |
3738 | if ( stateString ) { | |
3739 | list.add( | |
3740 | function() { | |
3741 | ||
3742 | // state = "resolved" (i.e., fulfilled) | |
3743 | // state = "rejected" | |
3744 | state = stateString; | |
3745 | }, | |
3746 | ||
3747 | // rejected_callbacks.disable | |
3748 | // fulfilled_callbacks.disable | |
3749 | tuples[ 3 - i ][ 2 ].disable, | |
3750 | ||
3751 | // progress_callbacks.lock | |
3752 | tuples[ 0 ][ 2 ].lock | |
3753 | ); | |
3754 | } | |
3755 | ||
3756 | // progress_handlers.fire | |
3757 | // fulfilled_handlers.fire | |
3758 | // rejected_handlers.fire | |
3759 | list.add( tuple[ 3 ].fire ); | |
3760 | ||
3761 | // deferred.notify = function() { deferred.notifyWith(...) } | |
3762 | // deferred.resolve = function() { deferred.resolveWith(...) } | |
3763 | // deferred.reject = function() { deferred.rejectWith(...) } | |
3764 | deferred[ tuple[ 0 ] ] = function() { | |
3765 | deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); | |
3766 | return this; | |
3767 | }; | |
3768 | ||
3769 | // deferred.notifyWith = list.fireWith | |
3770 | // deferred.resolveWith = list.fireWith | |
3771 | // deferred.rejectWith = list.fireWith | |
3772 | deferred[ tuple[ 0 ] + "With" ] = list.fireWith; | |
3773 | } ); | |
3774 | ||
3775 | // Make the deferred a promise | |
3776 | promise.promise( deferred ); | |
3777 | ||
3778 | // Call given func if any | |
3779 | if ( func ) { | |
3780 | func.call( deferred, deferred ); | |
3781 | } | |
3782 | ||
3783 | // All done! | |
3784 | return deferred; | |
3785 | }, | |
3786 | ||
3787 | // Deferred helper | |
3788 | when: function( singleValue ) { | |
3789 | var | |
3790 | ||
3791 | // count of uncompleted subordinates | |
3792 | remaining = arguments.length, | |
3793 | ||
3794 | // count of unprocessed arguments | |
3795 | i = remaining, | |
3796 | ||
3797 | // subordinate fulfillment data | |
3798 | resolveContexts = Array( i ), | |
3799 | resolveValues = slice.call( arguments ), | |
3800 | ||
3801 | // the master Deferred | |
3802 | master = jQuery.Deferred(), | |
3803 | ||
3804 | // subordinate callback factory | |
3805 | updateFunc = function( i ) { | |
3806 | return function( value ) { | |
3807 | resolveContexts[ i ] = this; | |
3808 | resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; | |
3809 | if ( !( --remaining ) ) { | |
3810 | master.resolveWith( resolveContexts, resolveValues ); | |
3811 | } | |
3812 | }; | |
3813 | }; | |
3814 | ||
3815 | // Single- and empty arguments are adopted like Promise.resolve | |
3816 | if ( remaining <= 1 ) { | |
3817 | adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject ); | |
3818 | ||
3819 | // Use .then() to unwrap secondary thenables (cf. gh-3000) | |
3820 | if ( master.state() === "pending" || | |
3821 | jQuery.isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) { | |
3822 | ||
3823 | return master.then(); | |
3824 | } | |
3825 | } | |
3826 | ||
3827 | // Multiple arguments are aggregated like Promise.all array elements | |
3828 | while ( i-- ) { | |
3829 | adoptValue( resolveValues[ i ], updateFunc( i ), master.reject ); | |
3830 | } | |
3831 | ||
3832 | return master.promise(); | |
3833 | } | |
3834 | } ); | |
3835 | ||
3836 | ||
3837 | // These usually indicate a programmer mistake during development, | |
3838 | // warn about them ASAP rather than swallowing them by default. | |
3839 | var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/; | |
3840 | ||
3841 | jQuery.Deferred.exceptionHook = function( error, stack ) { | |
3842 | ||
3843 | // Support: IE 8 - 9 only | |
3844 | // Console exists when dev tools are open, which can happen at any time | |
3845 | if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { | |
3846 | window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack ); | |
3847 | } | |
3848 | }; | |
3849 | ||
3850 | ||
3851 | ||
3852 | ||
3853 | jQuery.readyException = function( error ) { | |
3854 | window.setTimeout( function() { | |
3855 | throw error; | |
3856 | } ); | |
3857 | }; | |
3858 | ||
3859 | ||
3860 | ||
3861 | ||
3862 | // The deferred used on DOM ready | |
3863 | var readyList = jQuery.Deferred(); | |
3864 | ||
3865 | jQuery.fn.ready = function( fn ) { | |
3866 | ||
3867 | readyList | |
3868 | .then( fn ) | |
3869 | ||
3870 | // Wrap jQuery.readyException in a function so that the lookup | |
3871 | // happens at the time of error handling instead of callback | |
3872 | // registration. | |
3873 | .catch( function( error ) { | |
3874 | jQuery.readyException( error ); | |
3875 | } ); | |
3876 | ||
3877 | return this; | |
3878 | }; | |
3879 | ||
3880 | jQuery.extend( { | |
3881 | ||
3882 | // Is the DOM ready to be used? Set to true once it occurs. | |
3883 | isReady: false, | |
3884 | ||
3885 | // A counter to track how many items to wait for before | |
3886 | // the ready event fires. See #6781 | |
3887 | readyWait: 1, | |
3888 | ||
3889 | // Hold (or release) the ready event | |
3890 | holdReady: function( hold ) { | |
3891 | if ( hold ) { | |
3892 | jQuery.readyWait++; | |
3893 | } else { | |
3894 | jQuery.ready( true ); | |
3895 | } | |
3896 | }, | |
3897 | ||
3898 | // Handle when the DOM is ready | |
3899 | ready: function( wait ) { | |
3900 | ||
3901 | // Abort if there are pending holds or we're already ready | |
3902 | if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { | |
3903 | return; | |
3904 | } | |
3905 | ||
3906 | // Remember that the DOM is ready | |
3907 | jQuery.isReady = true; | |
3908 | ||
3909 | // If a normal DOM Ready event fired, decrement, and wait if need be | |
3910 | if ( wait !== true && --jQuery.readyWait > 0 ) { | |
3911 | return; | |
3912 | } | |
3913 | ||
3914 | // If there are functions bound, to execute | |
3915 | readyList.resolveWith( document, [ jQuery ] ); | |
3916 | } | |
3917 | } ); | |
3918 | ||
3919 | jQuery.ready.then = readyList.then; | |
3920 | ||
3921 | // The ready event handler and self cleanup method | |
3922 | function completed() { | |
3923 | document.removeEventListener( "DOMContentLoaded", completed ); | |
3924 | window.removeEventListener( "load", completed ); | |
3925 | jQuery.ready(); | |
3926 | } | |
3927 | ||
3928 | // Catch cases where $(document).ready() is called | |
3929 | // after the browser event has already occurred. | |
3930 | // Support: IE <=9 - 10 only | |
3931 | // Older IE sometimes signals "interactive" too soon | |
3932 | if ( document.readyState === "complete" || | |
3933 | ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) { | |
3934 | ||
3935 | // Handle it asynchronously to allow scripts the opportunity to delay ready | |
3936 | window.setTimeout( jQuery.ready ); | |
3937 | ||
3938 | } else { | |
3939 | ||
3940 | // Use the handy event callback | |
3941 | document.addEventListener( "DOMContentLoaded", completed ); | |
3942 | ||
3943 | // A fallback to window.onload, that will always work | |
3944 | window.addEventListener( "load", completed ); | |
3945 | } | |
3946 | ||
3947 | ||
3948 | ||
3949 | ||
3950 | // Multifunctional method to get and set values of a collection | |
3951 | // The value/s can optionally be executed if it's a function | |
3952 | var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { | |
3953 | var i = 0, | |
3954 | len = elems.length, | |
3955 | bulk = key == null; | |
3956 | ||
3957 | // Sets many values | |
3958 | if ( jQuery.type( key ) === "object" ) { | |
3959 | chainable = true; | |
3960 | for ( i in key ) { | |
3961 | access( elems, fn, i, key[ i ], true, emptyGet, raw ); | |
3962 | } | |
3963 | ||
3964 | // Sets one value | |
3965 | } else if ( value !== undefined ) { | |
3966 | chainable = true; | |
3967 | ||
3968 | if ( !jQuery.isFunction( value ) ) { | |
3969 | raw = true; | |
3970 | } | |
3971 | ||
3972 | if ( bulk ) { | |
3973 | ||
3974 | // Bulk operations run against the entire set | |
3975 | if ( raw ) { | |
3976 | fn.call( elems, value ); | |
3977 | fn = null; | |
3978 | ||
3979 | // ...except when executing function values | |
3980 | } else { | |
3981 | bulk = fn; | |
3982 | fn = function( elem, key, value ) { | |
3983 | return bulk.call( jQuery( elem ), value ); | |
3984 | }; | |
3985 | } | |
3986 | } | |
3987 | ||
3988 | if ( fn ) { | |
3989 | for ( ; i < len; i++ ) { | |
3990 | fn( | |
3991 | elems[ i ], key, raw ? | |
3992 | value : | |
3993 | value.call( elems[ i ], i, fn( elems[ i ], key ) ) | |
3994 | ); | |
3995 | } | |
3996 | } | |
3997 | } | |
3998 | ||
3999 | if ( chainable ) { | |
4000 | return elems; | |
4001 | } | |
4002 | ||
4003 | // Gets | |
4004 | if ( bulk ) { | |
4005 | return fn.call( elems ); | |
4006 | } | |
4007 | ||
4008 | return len ? fn( elems[ 0 ], key ) : emptyGet; | |
4009 | }; | |
4010 | var acceptData = function( owner ) { | |
4011 | ||
4012 | // Accepts only: | |
4013 | // - Node | |
4014 | // - Node.ELEMENT_NODE | |
4015 | // - Node.DOCUMENT_NODE | |
4016 | // - Object | |
4017 | // - Any | |
4018 | return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); | |
4019 | }; | |
4020 | ||
4021 | ||
4022 | ||
4023 | ||
4024 | function Data() { | |
4025 | this.expando = jQuery.expando + Data.uid++; | |
4026 | } | |
4027 | ||
4028 | Data.uid = 1; | |
4029 | ||
4030 | Data.prototype = { | |
4031 | ||
4032 | cache: function( owner ) { | |
4033 | ||
4034 | // Check if the owner object already has a cache | |
4035 | var value = owner[ this.expando ]; | |
4036 | ||
4037 | // If not, create one | |
4038 | if ( !value ) { | |
4039 | value = {}; | |
4040 | ||
4041 | // We can accept data for non-element nodes in modern browsers, | |
4042 | // but we should not, see #8335. | |
4043 | // Always return an empty object. | |
4044 | if ( acceptData( owner ) ) { | |
4045 | ||
4046 | // If it is a node unlikely to be stringify-ed or looped over | |
4047 | // use plain assignment | |
4048 | if ( owner.nodeType ) { | |
4049 | owner[ this.expando ] = value; | |
4050 | ||
4051 | // Otherwise secure it in a non-enumerable property | |
4052 | // configurable must be true to allow the property to be | |
4053 | // deleted when data is removed | |
4054 | } else { | |
4055 | Object.defineProperty( owner, this.expando, { | |
4056 | value: value, | |
4057 | configurable: true | |
4058 | } ); | |
4059 | } | |
4060 | } | |
4061 | } | |
4062 | ||
4063 | return value; | |
4064 | }, | |
4065 | set: function( owner, data, value ) { | |
4066 | var prop, | |
4067 | cache = this.cache( owner ); | |
4068 | ||
4069 | // Handle: [ owner, key, value ] args | |
4070 | // Always use camelCase key (gh-2257) | |
4071 | if ( typeof data === "string" ) { | |
4072 | cache[ jQuery.camelCase( data ) ] = value; | |
4073 | ||
4074 | // Handle: [ owner, { properties } ] args | |
4075 | } else { | |
4076 | ||
4077 | // Copy the properties one-by-one to the cache object | |
4078 | for ( prop in data ) { | |
4079 | cache[ jQuery.camelCase( prop ) ] = data[ prop ]; | |
4080 | } | |
4081 | } | |
4082 | return cache; | |
4083 | }, | |
4084 | get: function( owner, key ) { | |
4085 | return key === undefined ? | |
4086 | this.cache( owner ) : | |
4087 | ||
4088 | // Always use camelCase key (gh-2257) | |
4089 | owner[ this.expando ] && owner[ this.expando ][ jQuery.camelCase( key ) ]; | |
4090 | }, | |
4091 | access: function( owner, key, value ) { | |
4092 | ||
4093 | // In cases where either: | |
4094 | // | |
4095 | // 1. No key was specified | |
4096 | // 2. A string key was specified, but no value provided | |
4097 | // | |
4098 | // Take the "read" path and allow the get method to determine | |
4099 | // which value to return, respectively either: | |
4100 | // | |
4101 | // 1. The entire cache object | |
4102 | // 2. The data stored at the key | |
4103 | // | |
4104 | if ( key === undefined || | |
4105 | ( ( key && typeof key === "string" ) && value === undefined ) ) { | |
4106 | ||
4107 | return this.get( owner, key ); | |
4108 | } | |
4109 | ||
4110 | // When the key is not a string, or both a key and value | |
4111 | // are specified, set or extend (existing objects) with either: | |
4112 | // | |
4113 | // 1. An object of properties | |
4114 | // 2. A key and value | |