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a,b=n.timers,c=0;for(hb=n.now();c<b.length;c++)a=b[c],a()||b[c]!==a||b.splice(c--,1);b.length||n.fx.stop(),hb=void 0},n.fx.timer=function(a){n.timers.push(a),a()?n.fx.start():n.timers.pop()},n.fx.interval=13,n.fx.start=function(){ib||(ib=a.setInterval(n.fx.tick,n.fx.interval))},n.fx.stop=function(){a.clearInterval(ib),ib=null},n.fx.speeds={slow:600,fast:200,_default:400},n.fn.delay=function(b,c){return b=n.fx?n.fx.speeds[b]||b:b,c=c||"fx",this.queue(c,function(c,d){var e=a.setTimeout(c,b);d.stop=function(){a.clearTimeout(e)}})},function(){var a,b=d.createElement("input"),c=d.createElement("div"),e=d.createElement("select"),f=e.appendChild(d.createElement("option"));c=d.createElement("div"),c.setAttribute("className","t"),c.innerHTML=" <link/><table></table><a href='/a'>a</a><input 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6 | | jQuery.noConflict(); |
| 1 | /*! |
| 2 | * jQuery JavaScript Library v3.2.1 |
| 3 | * https://jquery.com/ |
| 4 | * |
| 5 | * Includes Sizzle.js |
| 6 | * https://sizzlejs.com/ |
| 7 | * |
| 8 | * Copyright JS Foundation and other contributors |
| 9 | * Released under the MIT license |
| 10 | * https://jquery.org/license |
| 11 | * |
| 12 | * Date: 2017-03-20T18:59Z |
| 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 = "3.2.1", |
| 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 = Array.isArray( copy ) ) ) ) { |
| 240 | |
| 241 | if ( copyIsArray ) { |
| 242 | copyIsArray = false; |
| 243 | clone = src && Array.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 | isWindow: function( obj ) { |
| 283 | return obj != null && obj === obj.window; |
| 284 | }, |
| 285 | |
| 286 | isNumeric: function( obj ) { |
| 287 | |
| 288 | // As of jQuery 3.0, isNumeric is limited to |
| 289 | // strings and numbers (primitives or objects) |
| 290 | // that can be coerced to finite numbers (gh-2662) |
| 291 | var type = jQuery.type( obj ); |
| 292 | return ( type === "number" || type === "string" ) && |
| 293 | |
| 294 | // parseFloat NaNs numeric-cast false positives ("") |
| 295 | // ...but misinterprets leading-number strings, particularly hex literals ("0x...") |
| 296 | // subtraction forces infinities to NaN |
| 297 | !isNaN( obj - parseFloat( obj ) ); |
| 298 | }, |
| 299 | |
| 300 | isPlainObject: function( obj ) { |
| 301 | var proto, Ctor; |
| 302 | |
| 303 | // Detect obvious negatives |
| 304 | // Use toString instead of jQuery.type to catch host objects |
| 305 | if ( !obj || toString.call( obj ) !== "[object Object]" ) { |
| 306 | return false; |
| 307 | } |
| 308 | |
| 309 | proto = getProto( obj ); |
| 310 | |
| 311 | // Objects with no prototype (e.g., `Object.create( null )`) are plain |
| 312 | if ( !proto ) { |
| 313 | return true; |
| 314 | } |
| 315 | |
| 316 | // Objects with prototype are plain iff they were constructed by a global Object function |
| 317 | Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; |
| 318 | return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; |
| 319 | }, |
| 320 | |
| 321 | isEmptyObject: function( obj ) { |
| 322 | |
| 323 | /* eslint-disable no-unused-vars */ |
| 324 | // See https://github.com/eslint/eslint/issues/6125 |
| 325 | var name; |
| 326 | |
| 327 | for ( name in obj ) { |
| 328 | return false; |
| 329 | } |
| 330 | return true; |
| 331 | }, |
| 332 | |
| 333 | type: function( obj ) { |
| 334 | if ( obj == null ) { |
| 335 | return obj + ""; |
| 336 | } |
| 337 | |
| 338 | // Support: Android <=2.3 only (functionish RegExp) |
| 339 | return typeof obj === "object" || typeof obj === "function" ? |
| 340 | class2type[ toString.call( obj ) ] || "object" : |
| 341 | typeof obj; |
| 342 | }, |
| 343 | |
| 344 | // Evaluates a script in a global context |
| 345 | globalEval: function( code ) { |
| 346 | DOMEval( code ); |
| 347 | }, |
| 348 | |
| 349 | // Convert dashed to camelCase; used by the css and data modules |
| 350 | // Support: IE <=9 - 11, Edge 12 - 13 |
| 351 | // Microsoft forgot to hump their vendor prefix (#9572) |
| 352 | camelCase: function( string ) { |
| 353 | return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); |
| 354 | }, |
| 355 | |
| 356 | each: function( obj, callback ) { |
| 357 | var length, i = 0; |
| 358 | |
| 359 | if ( isArrayLike( obj ) ) { |
| 360 | length = obj.length; |
| 361 | for ( ; i < length; i++ ) { |
| 362 | if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { |
| 363 | break; |
| 364 | } |
| 365 | } |
| 366 | } else { |
| 367 | for ( i in obj ) { |
| 368 | if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { |
| 369 | break; |
| 370 | } |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | return obj; |
| 375 | }, |
| 376 | |
| 377 | // Support: Android <=4.0 only |
| 378 | trim: function( text ) { |
| 379 | return text == null ? |
| 380 | "" : |
| 381 | ( text + "" ).replace( rtrim, "" ); |
| 382 | }, |
| 383 | |
| 384 | // results is for internal usage only |
| 385 | makeArray: function( arr, results ) { |
| 386 | var ret = results || []; |
| 387 | |
| 388 | if ( arr != null ) { |
| 389 | if ( isArrayLike( Object( arr ) ) ) { |
| 390 | jQuery.merge( ret, |
| 391 | typeof arr === "string" ? |
| 392 | [ arr ] : arr |
| 393 | ); |
| 394 | } else { |
| 395 | push.call( ret, arr ); |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | return ret; |
| 400 | }, |
| 401 | |
| 402 | inArray: function( elem, arr, i ) { |
| 403 | return arr == null ? -1 : indexOf.call( arr, elem, i ); |
| 404 | }, |
| 405 | |
| 406 | // Support: Android <=4.0 only, PhantomJS 1 only |
| 407 | // push.apply(_, arraylike) throws on ancient WebKit |
| 408 | merge: function( first, second ) { |
| 409 | var len = +second.length, |
| 410 | j = 0, |
| 411 | i = first.length; |
| 412 | |
| 413 | for ( ; j < len; j++ ) { |
| 414 | first[ i++ ] = second[ j ]; |
| 415 | } |
| 416 | |
| 417 | first.length = i; |
| 418 | |
| 419 | return first; |
| 420 | }, |
| 421 | |
| 422 | grep: function( elems, callback, invert ) { |
| 423 | var callbackInverse, |
| 424 | matches = [], |
| 425 | i = 0, |
| 426 | length = elems.length, |
| 427 | callbackExpect = !invert; |
| 428 | |
| 429 | // Go through the array, only saving the items |
| 430 | // that pass the validator function |
| 431 | for ( ; i < length; i++ ) { |
| 432 | callbackInverse = !callback( elems[ i ], i ); |
| 433 | if ( callbackInverse !== callbackExpect ) { |
| 434 | matches.push( elems[ i ] ); |
| 435 | } |
| 436 | } |
| 437 | |
| 438 | return matches; |
| 439 | }, |
| 440 | |
| 441 | // arg is for internal usage only |
| 442 | map: function( elems, callback, arg ) { |
| 443 | var length, value, |
| 444 | i = 0, |
| 445 | ret = []; |
| 446 | |
| 447 | // Go through the array, translating each of the items to their new values |
| 448 | if ( isArrayLike( elems ) ) { |
| 449 | length = elems.length; |
| 450 | for ( ; i < length; i++ ) { |
| 451 | value = callback( elems[ i ], i, arg ); |
| 452 | |
| 453 | if ( value != null ) { |
| 454 | ret.push( value ); |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | // Go through every key on the object, |
| 459 | } else { |
| 460 | for ( i in elems ) { |
| 461 | value = callback( elems[ i ], i, arg ); |
| 462 | |
| 463 | if ( value != null ) { |
| 464 | ret.push( value ); |
| 465 | } |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | // Flatten any nested arrays |
| 470 | return concat.apply( [], ret ); |
| 471 | }, |
| 472 | |
| 473 | // A global GUID counter for objects |
| 474 | guid: 1, |
| 475 | |
| 476 | // Bind a function to a context, optionally partially applying any |
| 477 | // arguments. |
| 478 | proxy: function( fn, context ) { |
| 479 | var tmp, args, proxy; |
| 480 | |
| 481 | if ( typeof context === "string" ) { |
| 482 | tmp = fn[ context ]; |
| 483 | context = fn; |
| 484 | fn = tmp; |
| 485 | } |
| 486 | |
| 487 | // Quick check to determine if target is callable, in the spec |
| 488 | // this throws a TypeError, but we will just return undefined. |
| 489 | if ( !jQuery.isFunction( fn ) ) { |
| 490 | return undefined; |
| 491 | } |
| 492 | |
| 493 | // Simulated bind |
| 494 | args = slice.call( arguments, 2 ); |
| 495 | proxy = function() { |
| 496 | return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); |
| 497 | }; |
| 498 | |
| 499 | // Set the guid of unique handler to the same of original handler, so it can be removed |
| 500 | proxy.guid = fn.guid = fn.guid || jQuery.guid++; |
| 501 | |
| 502 | return proxy; |
| 503 | }, |
| 504 | |
| 505 | now: Date.now, |
| 506 | |
| 507 | // jQuery.support is not used in Core but other projects attach their |
| 508 | // properties to it so it needs to exist. |
| 509 | support: support |
| 510 | } ); |
| 511 | |
| 512 | if ( typeof Symbol === "function" ) { |
| 513 | jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; |
| 514 | } |
| 515 | |
| 516 | // Populate the class2type map |
| 517 | jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), |
| 518 | function( i, name ) { |
| 519 | class2type[ "[object " + name + "]" ] = name.toLowerCase(); |
| 520 | } ); |
| 521 | |
| 522 | function isArrayLike( obj ) { |
| 523 | |
| 524 | // Support: real iOS 8.2 only (not reproducible in simulator) |
| 525 | // `in` check used to prevent JIT error (gh-2145) |
| 526 | // hasOwn isn't used here due to false negatives |
| 527 | // regarding Nodelist length in IE |
| 528 | var length = !!obj && "length" in obj && obj.length, |
| 529 | type = jQuery.type( obj ); |
| 530 | |
| 531 | if ( type === "function" || jQuery.isWindow( obj ) ) { |
| 532 | return false; |
| 533 | } |
| 534 | |
| 535 | return type === "array" || length === 0 || |
| 536 | typeof length === "number" && length > 0 && ( length - 1 ) in obj; |
| 537 | } |
| 538 | var Sizzle = |
| 539 | /*! |
| 540 | * Sizzle CSS Selector Engine v2.3.3 |
| 541 | * https://sizzlejs.com/ |
| 542 | * |
| 543 | * Copyright jQuery Foundation and other contributors |
| 544 | * Released under the MIT license |
| 545 | * http://jquery.org/license |
| 546 | * |
| 547 | * Date: 2016-08-08 |
| 548 | */ |
| 549 | (function( window ) { |
| 550 | |
| 551 | var i, |
| 552 | support, |
| 553 | Expr, |
| 554 | getText, |
| 555 | isXML, |
| 556 | tokenize, |
| 557 | compile, |
| 558 | select, |
| 559 | outermostContext, |
| 560 | sortInput, |
| 561 | hasDuplicate, |
| 562 | |
| 563 | // Local document vars |
| 564 | setDocument, |
| 565 | document, |
| 566 | docElem, |
| 567 | documentIsHTML, |
| 568 | rbuggyQSA, |
| 569 | rbuggyMatches, |
| 570 | matches, |
| 571 | contains, |
| 572 | |
| 573 | // Instance-specific data |
| 574 | expando = "sizzle" + 1 * new Date(), |
| 575 | preferredDoc = window.document, |
| 576 | dirruns = 0, |
| 577 | done = 0, |
| 578 | classCache = createCache(), |
| 579 | tokenCache = createCache(), |
| 580 | compilerCache = createCache(), |
| 581 | sortOrder = function( a, b ) { |
| 582 | if ( a === b ) { |
| 583 | hasDuplicate = true; |
| 584 | } |
| 585 | return 0; |
| 586 | }, |
| 587 | |
| 588 | // Instance methods |
| 589 | hasOwn = ({}).hasOwnProperty, |
| 590 | arr = [], |
| 591 | pop = arr.pop, |
| 592 | push_native = arr.push, |
| 593 | push = arr.push, |
| 594 | slice = arr.slice, |
| 595 | // Use a stripped-down indexOf as it's faster than native |
| 596 | // https://jsperf.com/thor-indexof-vs-for/5 |
| 597 | indexOf = function( list, elem ) { |
| 598 | var i = 0, |
| 599 | len = list.length; |
| 600 | for ( ; i < len; i++ ) { |
| 601 | if ( list[i] === elem ) { |
| 602 | return i; |
| 603 | } |
| 604 | } |
| 605 | return -1; |
| 606 | }, |
| 607 | |
| 608 | booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", |
| 609 | |
| 610 | // Regular expressions |
| 611 | |
| 612 | // http://www.w3.org/TR/css3-selectors/#whitespace |
| 613 | whitespace = "[\\x20\\t\\r\\n\\f]", |
| 614 | |
| 615 | // http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier |
| 616 | identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+", |
| 617 | |
| 618 | // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors |
| 619 | attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + |
| 620 | // Operator (capture 2) |
| 621 | "*([*^$|!~]?=)" + whitespace + |
| 622 | // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" |
| 623 | "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + |
| 624 | "*\\]", |
| 625 | |
| 626 | pseudos = ":(" + identifier + ")(?:\\((" + |
| 627 | // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: |
| 628 | // 1. quoted (capture 3; capture 4 or capture 5) |
| 629 | "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + |
| 630 | // 2. simple (capture 6) |
| 631 | "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + |
| 632 | // 3. anything else (capture 2) |
| 633 | ".*" + |
| 634 | ")\\)|)", |
| 635 | |
| 636 | // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter |
| 637 | rwhitespace = new RegExp( whitespace + "+", "g" ), |
| 638 | rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ), |
| 639 | |
| 640 | rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), |
| 641 | rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ), |
| 642 | |
| 643 | rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ), |
| 644 | |
| 645 | rpseudo = new RegExp( pseudos ), |
| 646 | ridentifier = new RegExp( "^" + identifier + "$" ), |
| 647 | |
| 648 | matchExpr = { |
| 649 | "ID": new RegExp( "^#(" + identifier + ")" ), |
| 650 | "CLASS": new RegExp( "^\\.(" + identifier + ")" ), |
| 651 | "TAG": new RegExp( "^(" + identifier + "|[*])" ), |
| 652 | "ATTR": new RegExp( "^" + attributes ), |
| 653 | "PSEUDO": new RegExp( "^" + pseudos ), |
| 654 | "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + |
| 655 | "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + |
| 656 | "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), |
| 657 | "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), |
| 658 | // For use in libraries implementing .is() |
| 659 | // We use this for POS matching in `select` |
| 660 | "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + |
| 661 | whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) |
| 662 | }, |
| 663 | |
| 664 | rinputs = /^(?:input|select|textarea|button)$/i, |
| 665 | rheader = /^h\d$/i, |
| 666 | |
| 667 | rnative = /^[^{]+\{\s*\[native \w/, |
| 668 | |
| 669 | // Easily-parseable/retrievable ID or TAG or CLASS selectors |
| 670 | rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, |
| 671 | |
| 672 | rsibling = /[+~]/, |
| 673 | |
| 674 | // CSS escapes |
| 675 | // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters |
| 676 | runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), |
| 677 | funescape = function( _, escaped, escapedWhitespace ) { |
| 678 | var high = "0x" + escaped - 0x10000; |
| 679 | // NaN means non-codepoint |
| 680 | // Support: Firefox<24 |
| 681 | // Workaround erroneous numeric interpretation of +"0x" |
| 682 | return high !== high || escapedWhitespace ? |
| 683 | escaped : |
| 684 | high < 0 ? |
| 685 | // BMP codepoint |
| 686 | String.fromCharCode( high + 0x10000 ) : |
| 687 | // Supplemental Plane codepoint (surrogate pair) |
| 688 | String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); |
| 689 | }, |
| 690 | |
| 691 | // CSS string/identifier serialization |
| 692 | // https://drafts.csswg.org/cssom/#common-serializing-idioms |
| 693 | rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g, |
| 694 | fcssescape = function( ch, asCodePoint ) { |
| 695 | if ( asCodePoint ) { |
| 696 | |
| 697 | // U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER |
| 698 | if ( ch === "\0" ) { |
| 699 | return "\uFFFD"; |
| 700 | } |
| 701 | |
| 702 | // Control characters and (dependent upon position) numbers get escaped as code points |
| 703 | return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; |
| 704 | } |
| 705 | |
| 706 | // Other potentially-special ASCII characters get backslash-escaped |
| 707 | return "\\" + ch; |
| 708 | }, |
| 709 | |
| 710 | // Used for iframes |
| 711 | // See setDocument() |
| 712 | // Removing the function wrapper causes a "Permission Denied" |
| 713 | // error in IE |
| 714 | unloadHandler = function() { |
| 715 | setDocument(); |
| 716 | }, |
| 717 | |
| 718 | disabledAncestor = addCombinator( |
| 719 | function( elem ) { |
| 720 | return elem.disabled === true && ("form" in elem || "label" in elem); |
| 721 | }, |
| 722 | { dir: "parentNode", next: "legend" } |
| 723 | ); |
| 724 | |
| 725 | // Optimize for push.apply( _, NodeList ) |
| 726 | try { |
| 727 | push.apply( |
| 728 | (arr = slice.call( preferredDoc.childNodes )), |
| 729 | preferredDoc.childNodes |
| 730 | ); |
| 731 | // Support: Android<4.0 |
| 732 | // Detect silently failing push.apply |
| 733 | arr[ preferredDoc.childNodes.length ].nodeType; |
| 734 | } catch ( e ) { |
| 735 | push = { apply: arr.length ? |
| 736 | |
| 737 | // Leverage slice if possible |
| 738 | function( target, els ) { |
| 739 | push_native.apply( target, slice.call(els) ); |
| 740 | } : |
| 741 | |
| 742 | // Support: IE<9 |
| 743 | // Otherwise append directly |
| 744 | function( target, els ) { |
| 745 | var j = target.length, |
| 746 | i = 0; |
| 747 | // Can't trust NodeList.length |
| 748 | while ( (target[j++] = els[i++]) ) {} |
| 749 | target.length = j - 1; |
| 750 | } |
| 751 | }; |
| 752 | } |
| 753 | |
| 754 | function Sizzle( selector, context, results, seed ) { |
| 755 | var m, i, elem, nid, match, groups, newSelector, |
| 756 | newContext = context && context.ownerDocument, |
| 757 | |
| 758 | // nodeType defaults to 9, since context defaults to document |
| 759 | nodeType = context ? context.nodeType : 9; |
| 760 | |
| 761 | results = results || []; |
| 762 | |
| 763 | // Return early from calls with invalid selector or context |
| 764 | if ( typeof selector !== "string" || !selector || |
| 765 | nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) { |
| 766 | |
| 767 | return results; |
| 768 | } |
| 769 | |
| 770 | // Try to shortcut find operations (as opposed to filters) in HTML documents |
| 771 | if ( !seed ) { |
| 772 | |
| 773 | if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { |
| 774 | setDocument( context ); |
| 775 | } |
| 776 | context = context || document; |
| 777 | |
| 778 | if ( documentIsHTML ) { |
| 779 | |
| 780 | // If the selector is sufficiently simple, try using a "get*By*" DOM method |
| 781 | // (excepting DocumentFragment context, where the methods don't exist) |
| 782 | if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) { |
| 783 | |
| 784 | // ID selector |
| 785 | if ( (m = match[1]) ) { |
| 786 | |
| 787 | // Document context |
| 788 | if ( nodeType === 9 ) { |
| 789 | if ( (elem = context.getElementById( m )) ) { |
| 790 | |
| 791 | // Support: IE, Opera, Webkit |
| 792 | // TODO: identify versions |
| 793 | // getElementById can match elements by name instead of ID |
| 794 | if ( elem.id === m ) { |
| 795 | results.push( elem ); |
| 796 | return results; |
| 797 | } |
| 798 | } else { |
| 799 | return results; |
| 800 | } |
| 801 | |
| 802 | // Element context |
| 803 | } else { |
| 804 | |
| 805 | // Support: IE, Opera, Webkit |
| 806 | // TODO: identify versions |
| 807 | // getElementById can match elements by name instead of ID |
| 808 | if ( newContext && (elem = newContext.getElementById( m )) && |
| 809 | contains( context, elem ) && |
| 810 | elem.id === m ) { |
| 811 | |
| 812 | results.push( elem ); |
| 813 | return results; |
| 814 | } |
| 815 | } |
| 816 | |
| 817 | // Type selector |
| 818 | } else if ( match[2] ) { |
| 819 | push.apply( results, context.getElementsByTagName( selector ) ); |
| 820 | return results; |
| 821 | |
| 822 | // Class selector |
| 823 | } else if ( (m = match[3]) && support.getElementsByClassName && |
| 824 | context.getElementsByClassName ) { |
| 825 | |
| 826 | push.apply( results, context.getElementsByClassName( m ) ); |
| 827 | return results; |
| 828 | } |
| 829 | } |
| 830 | |
| 831 | // Take advantage of querySelectorAll |
| 832 | if ( support.qsa && |
| 833 | !compilerCache[ selector + " " ] && |
| 834 | (!rbuggyQSA || !rbuggyQSA.test( selector )) ) { |
| 835 | |
| 836 | if ( nodeType !== 1 ) { |
| 837 | newContext = context; |
| 838 | newSelector = selector; |
| 839 | |
| 840 | // qSA looks outside Element context, which is not what we want |
| 841 | // Thanks to Andrew Dupont for this workaround technique |
| 842 | // Support: IE <=8 |
| 843 | // Exclude object elements |
| 844 | } else if ( context.nodeName.toLowerCase() !== "object" ) { |
| 845 | |
| 846 | // Capture the context ID, setting it first if necessary |
| 847 | if ( (nid = context.getAttribute( "id" )) ) { |
| 848 | nid = nid.replace( rcssescape, fcssescape ); |
| 849 | } else { |
| 850 | context.setAttribute( "id", (nid = expando) ); |
| 851 | } |
| 852 | |
| 853 | // Prefix every selector in the list |
| 854 | groups = tokenize( selector ); |
| 855 | i = groups.length; |
| 856 | while ( i-- ) { |
| 857 | groups[i] = "#" + nid + " " + toSelector( groups[i] ); |
| 858 | } |
| 859 | newSelector = groups.join( "," ); |
| 860 | |
| 861 | // Expand context for sibling selectors |
| 862 | newContext = rsibling.test( selector ) && testContext( context.parentNode ) || |
| 863 | context; |
| 864 | } |
| 865 | |
| 866 | if ( newSelector ) { |
| 867 | try { |
| 868 | push.apply( results, |
| 869 | newContext.querySelectorAll( newSelector ) |
| 870 | ); |
| 871 | return results; |
| 872 | } catch ( qsaError ) { |
| 873 | } finally { |
| 874 | if ( nid === expando ) { |
| 875 | context.removeAttribute( "id" ); |
| 876 | } |
| 877 | } |
| 878 | } |
| 879 | } |
| 880 | } |
| 881 | } |
| 882 | |
| 883 | // All others |
| 884 | return select( selector.replace( rtrim, "$1" ), context, results, seed ); |
| 885 | } |
| 886 | |
| 887 | /** |
| 888 | * Create key-value caches of limited size |
| 889 | * @returns {function(string, object)} Returns the Object data after storing it on itself with |
| 890 | * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) |
| 891 | * deleting the oldest entry |
| 892 | */ |
| 893 | function createCache() { |
| 894 | var keys = []; |
| 895 | |
| 896 | function cache( key, value ) { |
| 897 | // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) |
| 898 | if ( keys.push( key + " " ) > Expr.cacheLength ) { |
| 899 | // Only keep the most recent entries |
| 900 | delete cache[ keys.shift() ]; |
| 901 | } |
| 902 | return (cache[ key + " " ] = value); |
| 903 | } |
| 904 | return cache; |
| 905 | } |
| 906 | |
| 907 | /** |
| 908 | * Mark a function for special use by Sizzle |
| 909 | * @param {Function} fn The function to mark |
| 910 | */ |
| 911 | function markFunction( fn ) { |
| 912 | fn[ expando ] = true; |
| 913 | return fn; |
| 914 | } |
| 915 | |
| 916 | /** |
| 917 | * Support testing using an element |
| 918 | * @param {Function} fn Passed the created element and returns a boolean result |
| 919 | */ |
| 920 | function assert( fn ) { |
| 921 | var el = document.createElement("fieldset"); |
| 922 | |
| 923 | try { |
| 924 | return !!fn( el ); |
| 925 | } catch (e) { |
| 926 | return false; |
| 927 | } finally { |
| 928 | // Remove from its parent by default |
| 929 | if ( el.parentNode ) { |
| 930 | el.parentNode.removeChild( el ); |
| 931 | } |
| 932 | // release memory in IE |
| 933 | el = null; |
| 934 | } |
| 935 | } |
| 936 | |
| 937 | /** |
| 938 | * Adds the same handler for all of the specified attrs |
| 939 | * @param {String} attrs Pipe-separated list of attributes |
| 940 | * @param {Function} handler The method that will be applied |
| 941 | */ |
| 942 | function addHandle( attrs, handler ) { |
| 943 | var arr = attrs.split("|"), |
| 944 | i = arr.length; |
| 945 | |
| 946 | while ( i-- ) { |
| 947 | Expr.attrHandle[ arr[i] ] = handler; |
| 948 | } |
| 949 | } |
| 950 | |
| 951 | /** |
| 952 | * Checks document order of two siblings |
| 953 | * @param {Element} a |
| 954 | * @param {Element} b |
| 955 | * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b |
| 956 | */ |
| 957 | function siblingCheck( a, b ) { |
| 958 | var cur = b && a, |
| 959 | diff = cur && a.nodeType === 1 && b.nodeType === 1 && |
| 960 | a.sourceIndex - b.sourceIndex; |
| 961 | |
| 962 | // Use IE sourceIndex if available on both nodes |
| 963 | if ( diff ) { |
| 964 | return diff; |
| 965 | } |
| 966 | |
| 967 | // Check if b follows a |
| 968 | if ( cur ) { |
| 969 | while ( (cur = cur.nextSibling) ) { |
| 970 | if ( cur === b ) { |
| 971 | return -1; |
| 972 | } |
| 973 | } |
| 974 | } |
| 975 | |
| 976 | return a ? 1 : -1; |
| 977 | } |
| 978 | |
| 979 | /** |
| 980 | * Returns a function to use in pseudos for input types |
| 981 | * @param {String} type |
| 982 | */ |
| 983 | function createInputPseudo( type ) { |
| 984 | return function( elem ) { |
| 985 | var name = elem.nodeName.toLowerCase(); |
| 986 | return name === "input" && elem.type === type; |
| 987 | }; |
| 988 | } |
| 989 | |
| 990 | /** |
| 991 | * Returns a function to use in pseudos for buttons |
| 992 | * @param {String} type |
| 993 | */ |
| 994 | function createButtonPseudo( type ) { |
| 995 | return function( elem ) { |
| 996 | var name = elem.nodeName.toLowerCase(); |
| 997 | return (name === "input" || name === "button") && elem.type === type; |
| 998 | }; |
| 999 | } |
| 1000 | |
| 1001 | /** |
| 1002 | * Returns a function to use in pseudos for :enabled/:disabled |
| 1003 | * @param {Boolean} disabled true for :disabled; false for :enabled |
| 1004 | */ |
| 1005 | function createDisabledPseudo( disabled ) { |
| 1006 | |
| 1007 | // Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable |
| 1008 | return function( elem ) { |
| 1009 | |
| 1010 | // Only certain elements can match :enabled or :disabled |
| 1011 | // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled |
| 1012 | // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled |
| 1013 | if ( "form" in elem ) { |
| 1014 | |
| 1015 | // Check for inherited disabledness on relevant non-disabled elements: |
| 1016 | // * listed form-associated elements in a disabled fieldset |
| 1017 | // https://html.spec.whatwg.org/multipage/forms.html#category-listed |
| 1018 | // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled |
| 1019 | // * option elements in a disabled optgroup |
| 1020 | // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled |
| 1021 | // All such elements have a "form" property. |
| 1022 | if ( elem.parentNode && elem.disabled === false ) { |
| 1023 | |
| 1024 | // Option elements defer to a parent optgroup if present |
| 1025 | if ( "label" in elem ) { |
| 1026 | if ( "label" in elem.parentNode ) { |
| 1027 | return elem.parentNode.disabled === disabled; |
| 1028 | } else { |
| 1029 | return elem.disabled === disabled; |
| 1030 | } |
| 1031 | } |
| 1032 | |
| 1033 | // Support: IE 6 - 11 |
| 1034 | // Use the isDisabled shortcut property to check for disabled fieldset ancestors |
| 1035 | return elem.isDisabled === disabled || |
| 1036 | |
| 1037 | // Where there is no isDisabled, check manually |
| 1038 | /* jshint -W018 */ |
| 1039 | elem.isDisabled !== !disabled && |
| 1040 | disabledAncestor( elem ) === disabled; |
| 1041 | } |
| 1042 | |
| 1043 | return elem.disabled === disabled; |
| 1044 | |
| 1045 | // Try to winnow out elements that can't be disabled before trusting the disabled property. |
| 1046 | // Some victims get caught in our net (label, legend, menu, track), but it shouldn't |
| 1047 | // even exist on them, let alone have a boolean value. |
| 1048 | } else if ( "label" in elem ) { |
| 1049 | return elem.disabled === disabled; |
| 1050 | } |
| 1051 | |
| 1052 | // Remaining elements are neither :enabled nor :disabled |
| 1053 | return false; |
| 1054 | }; |
| 1055 | } |
| 1056 | |
| 1057 | /** |
| 1058 | * Returns a function to use in pseudos for positionals |
| 1059 | * @param {Function} fn |
| 1060 | */ |
| 1061 | function createPositionalPseudo( fn ) { |
| 1062 | return markFunction(function( argument ) { |
| 1063 | argument = +argument; |
| 1064 | return markFunction(function( seed, matches ) { |
| 1065 | var j, |
| 1066 | matchIndexes = fn( [], seed.length, argument ), |
| 1067 | i = matchIndexes.length; |
| 1068 | |
| 1069 | // Match elements found at the specified indexes |
| 1070 | while ( i-- ) { |
| 1071 | if ( seed[ (j = matchIndexes[i]) ] ) { |
| 1072 | seed[j] = !(matches[j] = seed[j]); |
| 1073 | } |
| 1074 | } |
| 1075 | }); |
| 1076 | }); |
| 1077 | } |
| 1078 | |
| 1079 | /** |
| 1080 | * Checks a node for validity as a Sizzle context |
| 1081 | * @param {Element|Object=} context |
| 1082 | * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value |
| 1083 | */ |
| 1084 | function testContext( context ) { |
| 1085 | return context && typeof context.getElementsByTagName !== "undefined" && context; |
| 1086 | } |
| 1087 | |
| 1088 | // Expose support vars for convenience |
| 1089 | support = Sizzle.support = {}; |
| 1090 | |
| 1091 | /** |
| 1092 | * Detects XML nodes |
| 1093 | * @param {Element|Object} elem An element or a document |
| 1094 | * @returns {Boolean} True iff elem is a non-HTML XML node |
| 1095 | */ |
| 1096 | isXML = Sizzle.isXML = function( elem ) { |
| 1097 | // documentElement is verified for cases where it doesn't yet exist |
| 1098 | // (such as loading iframes in IE - #4833) |
| 1099 | var documentElement = elem && (elem.ownerDocument || elem).documentElement; |
| 1100 | return documentElement ? documentElement.nodeName !== "HTML" : false; |
| 1101 | }; |
| 1102 | |
| 1103 | /** |
| 1104 | * Sets document-related variables once based on the current document |
| 1105 | * @param {Element|Object} [doc] An element or document object to use to set the document |
| 1106 | * @returns {Object} Returns the current document |
| 1107 | */ |
| 1108 | setDocument = Sizzle.setDocument = function( node ) { |
| 1109 | var hasCompare, subWindow, |
| 1110 | doc = node ? node.ownerDocument || node : preferredDoc; |
| 1111 | |
| 1112 | // Return early if doc is invalid or already selected |
| 1113 | if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { |
| 1114 | return document; |
| 1115 | } |
| 1116 | |
| 1117 | // Update global variables |
| 1118 | document = doc; |
| 1119 | docElem = document.documentElement; |
| 1120 | documentIsHTML = !isXML( document ); |
| 1121 | |
| 1122 | // Support: IE 9-11, Edge |
| 1123 | // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) |
| 1124 | if ( preferredDoc !== document && |
| 1125 | (subWindow = document.defaultView) && subWindow.top !== subWindow ) { |
| 1126 | |
| 1127 | // Support: IE 11, Edge |
| 1128 | if ( subWindow.addEventListener ) { |
| 1129 | subWindow.addEventListener( "unload", unloadHandler, false ); |
| 1130 | |
| 1131 | // Support: IE 9 - 10 only |
| 1132 | } else if ( subWindow.attachEvent ) { |
| 1133 | subWindow.attachEvent( "onunload", unloadHandler ); |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | /* Attributes |
| 1138 | ---------------------------------------------------------------------- */ |
| 1139 | |
| 1140 | // Support: IE<8 |
| 1141 | // Verify that getAttribute really returns attributes and not properties |
| 1142 | // (excepting IE8 booleans) |
| 1143 | support.attributes = assert(function( el ) { |
| 1144 | el.className = "i"; |
| 1145 | return !el.getAttribute("className"); |
| 1146 | }); |
| 1147 | |
| 1148 | /* getElement(s)By* |
| 1149 | ---------------------------------------------------------------------- */ |
| 1150 | |
| 1151 | // Check if getElementsByTagName("*") returns only elements |
| 1152 | support.getElementsByTagName = assert(function( el ) { |
| 1153 | el.appendChild( document.createComment("") ); |
| 1154 | return !el.getElementsByTagName("*").length; |
| 1155 | }); |
| 1156 | |
| 1157 | // Support: IE<9 |
| 1158 | support.getElementsByClassName = rnative.test( document.getElementsByClassName ); |
| 1159 | |
| 1160 | // Support: IE<10 |
| 1161 | // Check if getElementById returns elements by name |
| 1162 | // The broken getElementById methods don't pick up programmatically-set names, |
| 1163 | // so use a roundabout getElementsByName test |
| 1164 | support.getById = assert(function( el ) { |
| 1165 | docElem.appendChild( el ).id = expando; |
| 1166 | return !document.getElementsByName || !document.getElementsByName( expando ).length; |
| 1167 | }); |
| 1168 | |
| 1169 | // ID filter and find |
| 1170 | if ( support.getById ) { |
| 1171 | Expr.filter["ID"] = function( id ) { |
| 1172 | var attrId = id.replace( runescape, funescape ); |
| 1173 | return function( elem ) { |
| 1174 | return elem.getAttribute("id") === attrId; |
| 1175 | }; |
| 1176 | }; |
| 1177 | Expr.find["ID"] = function( id, context ) { |
| 1178 | if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { |
| 1179 | var elem = context.getElementById( id ); |
| 1180 | return elem ? [ elem ] : []; |
| 1181 | } |
| 1182 | }; |
| 1183 | } else { |
| 1184 | Expr.filter["ID"] = function( id ) { |
| 1185 | var attrId = id.replace( runescape, funescape ); |
| 1186 | return function( elem ) { |
| 1187 | var node = typeof elem.getAttributeNode !== "undefined" && |
| 1188 | elem.getAttributeNode("id"); |
| 1189 | return node && node.value === attrId; |
| 1190 | }; |
| 1191 | }; |
| 1192 | |
| 1193 | // Support: IE 6 - 7 only |
| 1194 | // getElementById is not reliable as a find shortcut |
| 1195 | Expr.find["ID"] = function( id, context ) { |
| 1196 | if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { |
| 1197 | var node, i, elems, |
| 1198 | elem = context.getElementById( id ); |
| 1199 | |
| 1200 | if ( elem ) { |
| 1201 | |
| 1202 | // Verify the id attribute |
| 1203 | node = elem.getAttributeNode("id"); |
| 1204 | if ( node && node.value === id ) { |
| 1205 | return [ elem ]; |
| 1206 | } |
| 1207 | |
| 1208 | // Fall back on getElementsByName |
| 1209 | elems = context.getElementsByName( id ); |
| 1210 | i = 0; |
| 1211 | while ( (elem = elems[i++]) ) { |
| 1212 | node = elem.getAttributeNode("id"); |
| 1213 | if ( node && node.value === id ) { |
| 1214 | return [ elem ]; |
| 1215 | } |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | return []; |
| 1220 | } |
| 1221 | }; |
| 1222 | } |
| 1223 | |
| 1224 | // Tag |
| 1225 | Expr.find["TAG"] = support.getElementsByTagName ? |
| 1226 | function( tag, context ) { |
| 1227 | if ( typeof context.getElementsByTagName !== "undefined" ) { |
| 1228 | return context.getElementsByTagName( tag ); |
| 1229 | |
| 1230 | // DocumentFragment nodes don't have gEBTN |
| 1231 | } else if ( support.qsa ) { |
| 1232 | return context.querySelectorAll( tag ); |
| 1233 | } |
| 1234 | } : |
| 1235 | |
| 1236 | function( tag, context ) { |
| 1237 | var elem, |
| 1238 | tmp = [], |
| 1239 | i = 0, |
| 1240 | // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too |
| 1241 | results = context.getElementsByTagName( tag ); |
| 1242 | |
| 1243 | // Filter out possible comments |
| 1244 | if ( tag === "*" ) { |
| 1245 | while ( (elem = results[i++]) ) { |
| 1246 | if ( elem.nodeType === 1 ) { |
| 1247 | tmp.push( elem ); |
| 1248 | } |
| 1249 | } |
| 1250 | |
| 1251 | return tmp; |
| 1252 | } |
| 1253 | return results; |
| 1254 | }; |
| 1255 | |
| 1256 | // Class |
| 1257 | Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { |
| 1258 | if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { |
| 1259 | return context.getElementsByClassName( className ); |
| 1260 | } |
| 1261 | }; |
| 1262 | |
| 1263 | /* QSA/matchesSelector |
| 1264 | ---------------------------------------------------------------------- */ |
| 1265 | |
| 1266 | // QSA and matchesSelector support |
| 1267 | |
| 1268 | // matchesSelector(:active) reports false when true (IE9/Opera 11.5) |
| 1269 | rbuggyMatches = []; |
| 1270 | |
| 1271 | // qSa(:focus) reports false when true (Chrome 21) |
| 1272 | // We allow this because of a bug in IE8/9 that throws an error |
| 1273 | // whenever `document.activeElement` is accessed on an iframe |
| 1274 | // So, we allow :focus to pass through QSA all the time to avoid the IE error |
| 1275 | // See https://bugs.jquery.com/ticket/13378 |
| 1276 | rbuggyQSA = []; |
| 1277 | |
| 1278 | if ( (support.qsa = rnative.test( document.querySelectorAll )) ) { |
| 1279 | // Build QSA regex |
| 1280 | // Regex strategy adopted from Diego Perini |
| 1281 | assert(function( el ) { |
| 1282 | // Select is set to empty string on purpose |
| 1283 | // This is to test IE's treatment of not explicitly |
| 1284 | // setting a boolean content attribute, |
| 1285 | // since its presence should be enough |
| 1286 | // https://bugs.jquery.com/ticket/12359 |
| 1287 | docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" + |
| 1288 | "<select id='" + expando + "-\r\\' msallowcapture=''>" + |
| 1289 | "<option selected=''></option></select>"; |
| 1290 | |
| 1291 | // Support: IE8, Opera 11-12.16 |
| 1292 | // Nothing should be selected when empty strings follow ^= or $= or *= |
| 1293 | // The test attribute must be unknown in Opera but "safe" for WinRT |
| 1294 | // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section |
| 1295 | if ( el.querySelectorAll("[msallowcapture^='']").length ) { |
| 1296 | rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); |
| 1297 | } |
| 1298 | |
| 1299 | // Support: IE8 |
| 1300 | // Boolean attributes and "value" are not treated correctly |
| 1301 | if ( !el.querySelectorAll("[selected]").length ) { |
| 1302 | rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); |
| 1303 | } |
| 1304 | |
| 1305 | // Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ |
| 1306 | if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { |
| 1307 | rbuggyQSA.push("~="); |
| 1308 | } |
| 1309 | |
| 1310 | // Webkit/Opera - :checked should return selected option elements |
| 1311 | // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked |
| 1312 | // IE8 throws error here and will not see later tests |
| 1313 | if ( !el.querySelectorAll(":checked").length ) { |
| 1314 | rbuggyQSA.push(":checked"); |
| 1315 | } |
| 1316 | |
| 1317 | // Support: Safari 8+, iOS 8+ |
| 1318 | // https://bugs.webkit.org/show_bug.cgi?id=136851 |
| 1319 | // In-page `selector#id sibling-combinator selector` fails |
| 1320 | if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { |
| 1321 | rbuggyQSA.push(".#.+[+~]"); |
| 1322 | } |
| 1323 | }); |
| 1324 | |
| 1325 | assert(function( el ) { |
| 1326 | el.innerHTML = "<a href='' disabled='disabled'></a>" + |
| 1327 | "<select disabled='disabled'><option/></select>"; |
| 1328 | |
| 1329 | // Support: Windows 8 Native Apps |
| 1330 | // The type and name attributes are restricted during .innerHTML assignment |
| 1331 | var input = document.createElement("input"); |
| 1332 | input.setAttribute( "type", "hidden" ); |
| 1333 | el.appendChild( input ).setAttribute( "name", "D" ); |
| 1334 | |
| 1335 | // Support: IE8 |
| 1336 | // Enforce case-sensitivity of name attribute |
| 1337 | if ( el.querySelectorAll("[name=d]").length ) { |
| 1338 | rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); |
| 1339 | } |
| 1340 | |
| 1341 | // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) |
| 1342 | // IE8 throws error here and will not see later tests |
| 1343 | if ( el.querySelectorAll(":enabled").length !== 2 ) { |
| 1344 | rbuggyQSA.push( ":enabled", ":disabled" ); |
| 1345 | } |
| 1346 | |
| 1347 | // Support: IE9-11+ |
| 1348 | // IE's :disabled selector does not pick up the children of disabled fieldsets |
| 1349 | docElem.appendChild( el ).disabled = true; |
| 1350 | if ( el.querySelectorAll(":disabled").length !== 2 ) { |
| 1351 | rbuggyQSA.push( ":enabled", ":disabled" ); |
| 1352 | } |
| 1353 | |
| 1354 | // Opera 10-11 does not throw on post-comma invalid pseudos |
| 1355 | el.querySelectorAll("*,:x"); |
| 1356 | rbuggyQSA.push(",.*:"); |
| 1357 | }); |
| 1358 | } |
| 1359 | |
| 1360 | if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || |
| 1361 | docElem.webkitMatchesSelector || |
| 1362 | docElem.mozMatchesSelector || |
| 1363 | docElem.oMatchesSelector || |
| 1364 | docElem.msMatchesSelector) )) ) { |
| 1365 | |
| 1366 | assert(function( el ) { |
| 1367 | // Check to see if it's possible to do matchesSelector |
| 1368 | // on a disconnected node (IE 9) |
| 1369 | support.disconnectedMatch = matches.call( el, "*" ); |
| 1370 | |
| 1371 | // This should fail with an exception |
| 1372 | // Gecko does not error, returns false instead |
| 1373 | matches.call( el, "[s!='']:x" ); |
| 1374 | rbuggyMatches.push( "!=", pseudos ); |
| 1375 | }); |
| 1376 | } |
| 1377 | |
| 1378 | rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); |
| 1379 | rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") ); |
| 1380 | |
| 1381 | /* Contains |
| 1382 | ---------------------------------------------------------------------- */ |
| 1383 | hasCompare = rnative.test( docElem.compareDocumentPosition ); |
| 1384 | |
| 1385 | // Element contains another |
| 1386 | // Purposefully self-exclusive |
| 1387 | // As in, an element does not contain itself |
| 1388 | contains = hasCompare || rnative.test( docElem.contains ) ? |
| 1389 | function( a, b ) { |
| 1390 | var adown = a.nodeType === 9 ? a.documentElement : a, |
| 1391 | bup = b && b.parentNode; |
| 1392 | return a === bup || !!( bup && bup.nodeType === 1 && ( |
| 1393 | adown.contains ? |
| 1394 | adown.contains( bup ) : |
| 1395 | a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 |
| 1396 | )); |
| 1397 | } : |
| 1398 | function( a, b ) { |
| 1399 | if ( b ) { |
| 1400 | while ( (b = b.parentNode) ) { |
| 1401 | if ( b === a ) { |
| 1402 | return true; |
| 1403 | } |
| 1404 | } |
| 1405 | } |
| 1406 | return false; |
| 1407 | }; |
| 1408 | |
| 1409 | /* Sorting |
| 1410 | ---------------------------------------------------------------------- */ |
| 1411 | |
| 1412 | // Document order sorting |
| 1413 | sortOrder = hasCompare ? |
| 1414 | function( a, b ) { |
| 1415 | |
| 1416 | // Flag for duplicate removal |
| 1417 | if ( a === b ) { |
| 1418 | hasDuplicate = true; |
| 1419 | return 0; |
| 1420 | } |
| 1421 | |
| 1422 | // Sort on method existence if only one input has compareDocumentPosition |
| 1423 | var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; |
| 1424 | if ( compare ) { |
| 1425 | return compare; |
| 1426 | } |
| 1427 | |
| 1428 | // Calculate position if both inputs belong to the same document |
| 1429 | compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? |
| 1430 | a.compareDocumentPosition( b ) : |
| 1431 | |
| 1432 | // Otherwise we know they are disconnected |
| 1433 | 1; |
| 1434 | |
| 1435 | // Disconnected nodes |
| 1436 | if ( compare & 1 || |
| 1437 | (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) { |
| 1438 | |
| 1439 | // Choose the first element that is related to our preferred document |
| 1440 | if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { |
| 1441 | return -1; |
| 1442 | } |
| 1443 | if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { |
| 1444 | return 1; |
| 1445 | } |
| 1446 | |
| 1447 | // Maintain original order |
| 1448 | return sortInput ? |
| 1449 | ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : |
| 1450 | 0; |
| 1451 | } |
| 1452 | |
| 1453 | return compare & 4 ? -1 : 1; |
| 1454 | } : |
| 1455 | function( a, b ) { |
| 1456 | // Exit early if the nodes are identical |
| 1457 | if ( a === b ) { |
| 1458 | hasDuplicate = true; |
| 1459 | return 0; |
| 1460 | } |
| 1461 | |
| 1462 | var cur, |
| 1463 | i = 0, |
| 1464 | aup = a.parentNode, |
| 1465 | bup = b.parentNode, |
| 1466 | ap = [ a ], |
| 1467 | bp = [ b ]; |
| 1468 | |
| 1469 | // Parentless nodes are either documents or disconnected |
| 1470 | if ( !aup || !bup ) { |
| 1471 | return a === document ? -1 : |
| 1472 | b === document ? 1 : |
| 1473 | aup ? -1 : |
| 1474 | bup ? 1 : |
| 1475 | sortInput ? |
| 1476 | ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : |
| 1477 | 0; |
| 1478 | |
| 1479 | // If the nodes are siblings, we can do a quick check |
| 1480 | } else if ( aup === bup ) { |
| 1481 | return siblingCheck( a, b ); |
| 1482 | } |
| 1483 | |
| 1484 | // Otherwise we need full lists of their ancestors for comparison |
| 1485 | cur = a; |
| 1486 | while ( (cur = cur.parentNode) ) { |
| 1487 | ap.unshift( cur ); |
| 1488 | } |
| 1489 | cur = b; |
| 1490 | while ( (cur = cur.parentNode) ) { |
| 1491 | bp.unshift( cur ); |
| 1492 | } |
| 1493 | |
| 1494 | // Walk down the tree looking for a discrepancy |
| 1495 | while ( ap[i] === bp[i] ) { |
| 1496 | i++; |
| 1497 | } |
| 1498 | |
| 1499 | return i ? |
| 1500 | // Do a sibling check if the nodes have a common ancestor |
| 1501 | siblingCheck( ap[i], bp[i] ) : |
| 1502 | |
| 1503 | // Otherwise nodes in our document sort first |
| 1504 | ap[i] === preferredDoc ? -1 : |
| 1505 | bp[i] === preferredDoc ? 1 : |
| 1506 | 0; |
| 1507 | }; |
| 1508 | |
| 1509 | return document; |
| 1510 | }; |
| 1511 | |
| 1512 | Sizzle.matches = function( expr, elements ) { |
| 1513 | return Sizzle( expr, null, null, elements ); |
| 1514 | }; |
| 1515 | |
| 1516 | Sizzle.matchesSelector = function( elem, expr ) { |
| 1517 | // Set document vars if needed |
| 1518 | if ( ( elem.ownerDocument || elem ) !== document ) { |
| 1519 | setDocument( elem ); |
| 1520 | } |
| 1521 | |
| 1522 | // Make sure that attribute selectors are quoted |
| 1523 | expr = expr.replace( rattributeQuotes, "='$1']" ); |
| 1524 | |
| 1525 | if ( support.matchesSelector && documentIsHTML && |
| 1526 | !compilerCache[ expr + " " ] && |
| 1527 | ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && |
| 1528 | ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) { |
| 1529 | |
| 1530 | try { |
| 1531 | var ret = matches.call( elem, expr ); |
| 1532 | |
| 1533 | // IE 9's matchesSelector returns false on disconnected nodes |
| 1534 | if ( ret || support.disconnectedMatch || |
| 1535 | // As well, disconnected nodes are said to be in a document |
| 1536 | // fragment in IE 9 |
| 1537 | elem.document && elem.document.nodeType !== 11 ) { |
| 1538 | return ret; |
| 1539 | } |
| 1540 | } catch (e) {} |
| 1541 | } |
| 1542 | |
| 1543 | return Sizzle( expr, document, null, [ elem ] ).length > 0; |
| 1544 | }; |
| 1545 | |
| 1546 | Sizzle.contains = function( context, elem ) { |
| 1547 | // Set document vars if needed |
| 1548 | if ( ( context.ownerDocument || context ) !== document ) { |
| 1549 | setDocument( context ); |
| 1550 | } |
| 1551 | return contains( context, elem ); |
| 1552 | }; |
| 1553 | |
| 1554 | Sizzle.attr = function( elem, name ) { |
| 1555 | // Set document vars if needed |
| 1556 | if ( ( elem.ownerDocument || elem ) !== document ) { |
| 1557 | setDocument( elem ); |
| 1558 | } |
| 1559 | |
| 1560 | var fn = Expr.attrHandle[ name.toLowerCase() ], |
| 1561 | // Don't get fooled by Object.prototype properties (jQuery #13807) |
| 1562 | val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? |
| 1563 | fn( elem, name, !documentIsHTML ) : |
| 1564 | undefined; |
| 1565 | |
| 1566 | return val !== undefined ? |
| 1567 | val : |
| 1568 | support.attributes || !documentIsHTML ? |
| 1569 | elem.getAttribute( name ) : |
| 1570 | (val = elem.getAttributeNode(name)) && val.specified ? |
| 1571 | val.value : |
| 1572 | null; |
| 1573 | }; |
| 1574 | |
| 1575 | Sizzle.escape = function( sel ) { |
| 1576 | return (sel + "").replace( rcssescape, fcssescape ); |
| 1577 | }; |
| 1578 | |
| 1579 | Sizzle.error = function( msg ) { |
| 1580 | throw new Error( "Syntax error, unrecognized expression: " + msg ); |
| 1581 | }; |
| 1582 | |
| 1583 | /** |
| 1584 | * Document sorting and removing duplicates |
| 1585 | * @param {ArrayLike} results |
| 1586 | */ |
| 1587 | Sizzle.uniqueSort = function( results ) { |
| 1588 | var elem, |
| 1589 | duplicates = [], |
| 1590 | j = 0, |
| 1591 | i = 0; |
| 1592 | |
| 1593 | // Unless we *know* we can detect duplicates, assume their presence |
| 1594 | hasDuplicate = !support.detectDuplicates; |
| 1595 | sortInput = !support.sortStable && results.slice( 0 ); |
| 1596 | results.sort( sortOrder ); |
| 1597 | |
| 1598 | if ( hasDuplicate ) { |
| 1599 | while ( (elem = results[i++]) ) { |
| 1600 | if ( elem === results[ i ] ) { |
| 1601 | j = duplicates.push( i ); |
| 1602 | } |
| 1603 | } |
| 1604 | while ( j-- ) { |
| 1605 | results.splice( duplicates[ j ], 1 ); |
| 1606 | } |
| 1607 | } |
| 1608 | |
| 1609 | // Clear input after sorting to release objects |
| 1610 | // See https://github.com/jquery/sizzle/pull/225 |
| 1611 | sortInput = null; |
| 1612 | |
| 1613 | return results; |
| 1614 | }; |
| 1615 | |
| 1616 | /** |
| 1617 | * Utility function for retrieving the text value of an array of DOM nodes |
| 1618 | * @param {Array|Element} elem |
| 1619 | */ |
| 1620 | getText = Sizzle.getText = function( elem ) { |
| 1621 | var node, |
| 1622 | ret = "", |
| 1623 | i = 0, |
| 1624 | nodeType = elem.nodeType; |
| 1625 | |
| 1626 | if ( !nodeType ) { |
| 1627 | // If no nodeType, this is expected to be an array |
| 1628 | while ( (node = elem[i++]) ) { |
| 1629 | // Do not traverse comment nodes |
| 1630 | ret += getText( node ); |
| 1631 | } |
| 1632 | } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { |
| 1633 | // Use textContent for elements |
| 1634 | // innerText usage removed for consistency of new lines (jQuery #11153) |
| 1635 | if ( typeof elem.textContent === "string" ) { |
| 1636 | return elem.textContent; |
| 1637 | } else { |
| 1638 | // Traverse its children |
| 1639 | for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { |
| 1640 | ret += getText( elem ); |
| 1641 | } |
| 1642 | } |
| 1643 | } else if ( nodeType === 3 || nodeType === 4 ) { |
| 1644 | return elem.nodeValue; |
| 1645 | } |
| 1646 | // Do not include comment or processing instruction nodes |
| 1647 | |
| 1648 | return ret; |
| 1649 | }; |
| 1650 | |
| 1651 | Expr = Sizzle.selectors = { |
| 1652 | |
| 1653 | // Can be adjusted by the user |
| 1654 | cacheLength: 50, |
| 1655 | |
| 1656 | createPseudo: markFunction, |
| 1657 | |
| 1658 | match: matchExpr, |
| 1659 | |
| 1660 | attrHandle: {}, |
| 1661 | |
| 1662 | find: {}, |
| 1663 | |
| 1664 | relative: { |
| 1665 | ">": { dir: "parentNode", first: true }, |
| 1666 | " ": { dir: "parentNode" }, |
| 1667 | "+": { dir: "previousSibling", first: true }, |
| 1668 | "~": { dir: "previousSibling" } |
| 1669 | }, |
| 1670 | |
| 1671 | preFilter: { |
| 1672 | "ATTR": function( match ) { |
| 1673 | match[1] = match[1].replace( runescape, funescape ); |
| 1674 | |
| 1675 | // Move the given value to match[3] whether quoted or unquoted |
| 1676 | match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape ); |
| 1677 | |
| 1678 | if ( match[2] === "~=" ) { |
| 1679 | match[3] = " " + match[3] + " "; |
| 1680 | } |
| 1681 | |
| 1682 | return match.slice( 0, 4 ); |
| 1683 | }, |
| 1684 | |
| 1685 | "CHILD": function( match ) { |
| 1686 | /* matches from matchExpr["CHILD"] |
| 1687 | 1 type (only|nth|...) |
| 1688 | 2 what (child|of-type) |
| 1689 | 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) |
| 1690 | 4 xn-component of xn+y argument ([+-]?\d*n|) |
| 1691 | 5 sign of xn-component |
| 1692 | 6 x of xn-component |
| 1693 | 7 sign of y-component |
| 1694 | 8 y of y-component |
| 1695 | */ |
| 1696 | match[1] = match[1].toLowerCase(); |
| 1697 | |
| 1698 | if ( match[1].slice( 0, 3 ) === "nth" ) { |
| 1699 | // nth-* requires argument |
| 1700 | if ( !match[3] ) { |
| 1701 | Sizzle.error( match[0] ); |
| 1702 | } |
| 1703 | |
| 1704 | // numeric x and y parameters for Expr.filter.CHILD |
| 1705 | // remember that false/true cast respectively to 0/1 |
| 1706 | match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); |
| 1707 | match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" ); |
| 1708 | |
| 1709 | // other types prohibit arguments |
| 1710 | } else if ( match[3] ) { |
| 1711 | Sizzle.error( match[0] ); |
| 1712 | } |
| 1713 | |
| 1714 | return match; |
| 1715 | }, |
| 1716 | |
| 1717 | "PSEUDO": function( match ) { |
| 1718 | var excess, |
| 1719 | unquoted = !match[6] && match[2]; |
| 1720 | |
| 1721 | if ( matchExpr["CHILD"].test( match[0] ) ) { |
| 1722 | return null; |
| 1723 | } |
| 1724 | |
| 1725 | // Accept quoted arguments as-is |
| 1726 | if ( match[3] ) { |
| 1727 | match[2] = match[4] || match[5] || ""; |
| 1728 | |
| 1729 | // Strip excess characters from unquoted arguments |
| 1730 | } else if ( unquoted && rpseudo.test( unquoted ) && |
| 1731 | // Get excess from tokenize (recursively) |
| 1732 | (excess = tokenize( unquoted, true )) && |
| 1733 | // advance to the next closing parenthesis |
| 1734 | (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) { |
| 1735 | |
| 1736 | // excess is a negative index |
| 1737 | match[0] = match[0].slice( 0, excess ); |
| 1738 | match[2] = unquoted.slice( 0, excess ); |
| 1739 | } |
| 1740 | |
| 1741 | // Return only captures needed by the pseudo filter method (type and argument) |
| 1742 | return match.slice( 0, 3 ); |
| 1743 | } |
| 1744 | }, |
| 1745 | |
| 1746 | filter: { |
| 1747 | |
| 1748 | "TAG": function( nodeNameSelector ) { |
| 1749 | var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); |
| 1750 | return nodeNameSelector === "*" ? |
| 1751 | function() { return true; } : |
| 1752 | function( elem ) { |
| 1753 | return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; |
| 1754 | }; |
| 1755 | }, |
| 1756 | |
| 1757 | "CLASS": function( className ) { |
| 1758 | var pattern = classCache[ className + " " ]; |
| 1759 | |
| 1760 | return pattern || |
| 1761 | (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && |
| 1762 | classCache( className, function( elem ) { |
| 1763 | return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); |
| 1764 | }); |
| 1765 | }, |
| 1766 | |
| 1767 | "ATTR": function( name, operator, check ) { |
| 1768 | return function( elem ) { |
| 1769 | var result = Sizzle.attr( elem, name ); |
| 1770 | |
| 1771 | if ( result == null ) { |
| 1772 | return operator === "!="; |
| 1773 | } |
| 1774 | if ( !operator ) { |
| 1775 | return true; |
| 1776 | } |
| 1777 | |
| 1778 | result += ""; |
| 1779 | |
| 1780 | return operator === "=" ? result === check : |
| 1781 | operator === "!=" ? result !== check : |
| 1782 | operator === "^=" ? check && result.indexOf( check ) === 0 : |
| 1783 | operator === "*=" ? check && result.indexOf( check ) > -1 : |
| 1784 | operator === "$=" ? check && result.slice( -check.length ) === check : |
| 1785 | operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : |
| 1786 | operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : |
| 1787 | false; |
| 1788 | }; |
| 1789 | }, |
| 1790 | |
| 1791 | "CHILD": function( type, what, argument, first, last ) { |
| 1792 | var simple = type.slice( 0, 3 ) !== "nth", |
| 1793 | forward = type.slice( -4 ) !== "last", |
| 1794 | ofType = what === "of-type"; |
| 1795 | |
| 1796 | return first === 1 && last === 0 ? |
| 1797 | |
| 1798 | // Shortcut for :nth-*(n) |
| 1799 | function( elem ) { |
| 1800 | return !!elem.parentNode; |
| 1801 | } : |
| 1802 | |
| 1803 | function( elem, context, xml ) { |
| 1804 | var cache, uniqueCache, outerCache, node, nodeIndex, start, |
| 1805 | dir = simple !== forward ? "nextSibling" : "previousSibling", |
| 1806 | parent = elem.parentNode, |
| 1807 | name = ofType && elem.nodeName.toLowerCase(), |
| 1808 | useCache = !xml && !ofType, |
| 1809 | diff = false; |
| 1810 | |
| 1811 | if ( parent ) { |
| 1812 | |
| 1813 | // :(first|last|only)-(child|of-type) |
| 1814 | if ( simple ) { |
| 1815 | while ( dir ) { |
| 1816 | node = elem; |
| 1817 | while ( (node = node[ dir ]) ) { |
| 1818 | if ( ofType ? |
| 1819 | node.nodeName.toLowerCase() === name : |
| 1820 | node.nodeType === 1 ) { |
| 1821 | |
| 1822 | return false; |
| 1823 | } |
| 1824 | } |
| 1825 | // Reverse direction for :only-* (if we haven't yet done so) |
| 1826 | start = dir = type === "only" && !start && "nextSibling"; |
| 1827 | } |
| 1828 | return true; |
| 1829 | } |
| 1830 | |
| 1831 | start = [ forward ? parent.firstChild : parent.lastChild ]; |
| 1832 | |
| 1833 | // non-xml :nth-child(...) stores cache data on `parent` |
| 1834 | if ( forward && useCache ) { |
| 1835 | |
| 1836 | // Seek `elem` from a previously-cached index |
| 1837 | |
| 1838 | // ...in a gzip-friendly way |
| 1839 | node = parent; |
| 1840 | outerCache = node[ expando ] || (node[ expando ] = {}); |
| 1841 | |
| 1842 | // Support: IE <9 only |
| 1843 | // Defend against cloned attroperties (jQuery gh-1709) |
| 1844 | uniqueCache = outerCache[ node.uniqueID ] || |
| 1845 | (outerCache[ node.uniqueID ] = {}); |
| 1846 | |
| 1847 | cache = uniqueCache[ type ] || []; |
| 1848 | nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; |
| 1849 | diff = nodeIndex && cache[ 2 ]; |
| 1850 | node = nodeIndex && parent.childNodes[ nodeIndex ]; |
| 1851 | |
| 1852 | while ( (node = ++nodeIndex && node && node[ dir ] || |
| 1853 | |
| 1854 | // Fallback to seeking `elem` from the start |
| 1855 | (diff = nodeIndex = 0) || start.pop()) ) { |
| 1856 | |
| 1857 | // When found, cache indexes on `parent` and break |
| 1858 | if ( node.nodeType === 1 && ++diff && node === elem ) { |
| 1859 | uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; |
| 1860 | break; |
| 1861 | } |
| 1862 | } |
| 1863 | |
| 1864 | } else { |
| 1865 | // Use previously-cached element index if available |
| 1866 | if ( useCache ) { |
| 1867 | // ...in a gzip-friendly way |
| 1868 | node = elem; |
| 1869 | outerCache = node[ expando ] || (node[ expando ] = {}); |
| 1870 | |
| 1871 | // Support: IE <9 only |
| 1872 | // Defend against cloned attroperties (jQuery gh-1709) |
| 1873 | uniqueCache = outerCache[ node.uniqueID ] || |
| 1874 | (outerCache[ node.uniqueID ] = {}); |
| 1875 | |
| 1876 | cache = uniqueCache[ type ] || []; |
| 1877 | nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; |
| 1878 | diff = nodeIndex; |
| 1879 | } |
| 1880 | |
| 1881 | // xml :nth-child(...) |
| 1882 | // or :nth-last-child(...) or :nth(-last)?-of-type(...) |
| 1883 | if ( diff === false ) { |
| 1884 | // Use the same loop as above to seek `elem` from the start |
| 1885 | while ( (node = ++nodeIndex && node && node[ dir ] || |
| 1886 | (diff = nodeIndex = 0) || start.pop()) ) { |
| 1887 | |
| 1888 | if ( ( ofType ? |
| 1889 | node.nodeName.toLowerCase() === name : |
| 1890 | node.nodeType === 1 ) && |
| 1891 | ++diff ) { |
| 1892 | |
| 1893 | // Cache the index of each encountered element |
| 1894 | if ( useCache ) { |
| 1895 | outerCache = node[ expando ] || (node[ expando ] = {}); |
| 1896 | |
| 1897 | // Support: IE <9 only |
| 1898 | // Defend against cloned attroperties (jQuery gh-1709) |
| 1899 | uniqueCache = outerCache[ node.uniqueID ] || |
| 1900 | (outerCache[ node.uniqueID ] = {}); |
| 1901 | |
| 1902 | uniqueCache[ type ] = [ dirruns, diff ]; |
| 1903 | } |
| 1904 | |
| 1905 | if ( node === elem ) { |
| 1906 | break; |
| 1907 | } |
| 1908 | } |
| 1909 | } |
| 1910 | } |
| 1911 | } |
| 1912 | |
| 1913 | // Incorporate the offset, then check against cycle size |
| 1914 | diff -= last; |
| 1915 | return diff === first || ( diff % first === 0 && diff / first >= 0 ); |
| 1916 | } |
| 1917 | }; |
| 1918 | }, |
| 1919 | |
| 1920 | "PSEUDO": function( pseudo, argument ) { |
| 1921 | // pseudo-class names are case-insensitive |
| 1922 | // http://www.w3.org/TR/selectors/#pseudo-classes |
| 1923 | // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters |
| 1924 | // Remember that setFilters inherits from pseudos |
| 1925 | var args, |
| 1926 | fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || |
| 1927 | Sizzle.error( "unsupported pseudo: " + pseudo ); |
| 1928 | |
| 1929 | // The user may use createPseudo to indicate that |
| 1930 | // arguments are needed to create the filter function |
| 1931 | // just as Sizzle does |
| 1932 | if ( fn[ expando ] ) { |
| 1933 | return fn( argument ); |
| 1934 | } |
| 1935 | |
| 1936 | // But maintain support for old signatures |
| 1937 | if ( fn.length > 1 ) { |
| 1938 | args = [ pseudo, pseudo, "", argument ]; |
| 1939 | return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? |
| 1940 | markFunction(function( seed, matches ) { |
| 1941 | var idx, |
| 1942 | matched = fn( seed, argument ), |
| 1943 | i = matched.length; |
| 1944 | while ( i-- ) { |
| 1945 | idx = indexOf( seed, matched[i] ); |
| 1946 | seed[ idx ] = !( matches[ idx ] = matched[i] ); |
| 1947 | } |
| 1948 | }) : |
| 1949 | function( elem ) { |
| 1950 | return fn( elem, 0, args ); |
| 1951 | }; |
| 1952 | } |
| 1953 | |
| 1954 | return fn; |
| 1955 | } |
| 1956 | }, |
| 1957 | |
| 1958 | pseudos: { |
| 1959 | // Potentially complex pseudos |
| 1960 | "not": markFunction(function( selector ) { |
| 1961 | // Trim the selector passed to compile |
| 1962 | // to avoid treating leading and trailing |
| 1963 | // spaces as combinators |
| 1964 | var input = [], |
| 1965 | results = [], |
| 1966 | matcher = compile( selector.replace( rtrim, "$1" ) ); |
| 1967 | |
| 1968 | return matcher[ expando ] ? |
| 1969 | markFunction(function( seed, matches, context, xml ) { |
| 1970 | var elem, |
| 1971 | unmatched = matcher( seed, null, xml, [] ), |
| 1972 | i = seed.length; |
| 1973 | |
| 1974 | // Match elements unmatched by `matcher` |
| 1975 | while ( i-- ) { |
| 1976 | if ( (elem = unmatched[i]) ) { |
| 1977 | seed[i] = !(matches[i] = elem); |
| 1978 | } |
| 1979 | } |
| 1980 | }) : |
| 1981 | function( elem, context, xml ) { |
| 1982 | input[0] = elem; |
| 1983 | matcher( input, null, xml, results ); |
| 1984 | // Don't keep the element (issue #299) |
| 1985 | input[0] = null; |
| 1986 | return !results.pop(); |
| 1987 | }; |
| 1988 | }), |
| 1989 | |
| 1990 | "has": markFunction(function( selector ) { |
| 1991 | return function( elem ) { |
| 1992 | return Sizzle( selector, elem ).length > 0; |
| 1993 | }; |
| 1994 | }), |
| 1995 | |
| 1996 | "contains": markFunction(function( text ) { |
| 1997 | text = text.replace( runescape, funescape ); |
| 1998 | return function( elem ) { |
| 1999 | return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; |
| 2000 | }; |
| 2001 | }), |
| 2002 | |
| 2003 | // "Whether an element is represented by a :lang() selector |
| 2004 | // is based solely on the element's language value |
| 2005 | // being equal to the identifier C, |
| 2006 | // or beginning with the identifier C immediately followed by "-". |
| 2007 | // The matching of C against the element's language value is performed case-insensitively. |
| 2008 | // The identifier C does not have to be a valid language name." |
| 2009 | // http://www.w3.org/TR/selectors/#lang-pseudo |
| 2010 | "lang": markFunction( function( lang ) { |
| 2011 | // lang value must be a valid identifier |
| 2012 | if ( !ridentifier.test(lang || "") ) { |
| 2013 | Sizzle.error( "unsupported lang: " + lang ); |
| 2014 | } |
| 2015 | lang = lang.replace( runescape, funescape ).toLowerCase(); |
| 2016 | return function( elem ) { |
| 2017 | var elemLang; |
| 2018 | do { |
| 2019 | if ( (elemLang = documentIsHTML ? |
| 2020 | elem.lang : |
| 2021 | elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) { |
| 2022 | |
| 2023 | elemLang = elemLang.toLowerCase(); |
| 2024 | return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; |
| 2025 | } |
| 2026 | } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); |
| 2027 | return false; |
| 2028 | }; |
| 2029 | }), |
| 2030 | |
| 2031 | // Miscellaneous |
| 2032 | "target": function( elem ) { |
| 2033 | var hash = window.location && window.location.hash; |
| 2034 | return hash && hash.slice( 1 ) === elem.id; |
| 2035 | }, |
| 2036 | |
| 2037 | "root": function( elem ) { |
| 2038 | return elem === docElem; |
| 2039 | }, |
| 2040 | |
| 2041 | "focus": function( elem ) { |
| 2042 | return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); |
| 2043 | }, |
| 2044 | |
| 2045 | // Boolean properties |
| 2046 | "enabled": createDisabledPseudo( false ), |
| 2047 | "disabled": createDisabledPseudo( true ), |
| 2048 | |
| 2049 | "checked": function( elem ) { |
| 2050 | // In CSS3, :checked should return both checked and selected elements |
| 2051 | // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked |
| 2052 | var nodeName = elem.nodeName.toLowerCase(); |
| 2053 | return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); |
| 2054 | }, |
| 2055 | |
| 2056 | "selected": function( elem ) { |
| 2057 | // Accessing this property makes selected-by-default |
| 2058 | // options in Safari work properly |
| 2059 | if ( elem.parentNode ) { |
| 2060 | elem.parentNode.selectedIndex; |
| 2061 | } |
| 2062 | |
| 2063 | return elem.selected === true; |
| 2064 | }, |
| 2065 | |
| 2066 | // Contents |
| 2067 | "empty": function( elem ) { |
| 2068 | // http://www.w3.org/TR/selectors/#empty-pseudo |
| 2069 | // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), |
| 2070 | // but not by others (comment: 8; processing instruction: 7; etc.) |
| 2071 | // nodeType < 6 works because attributes (2) do not appear as children |
| 2072 | for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { |
| 2073 | if ( elem.nodeType < 6 ) { |
| 2074 | return false; |
| 2075 | } |
| 2076 | } |
| 2077 | return true; |
| 2078 | }, |
| 2079 | |
| 2080 | "parent": function( elem ) { |
| 2081 | return !Expr.pseudos["empty"]( elem ); |
| 2082 | }, |
| 2083 | |
| 2084 | // Element/input types |
| 2085 | "header": function( elem ) { |
| 2086 | return rheader.test( elem.nodeName ); |
| 2087 | }, |
| 2088 | |
| 2089 | "input": function( elem ) { |
| 2090 | return rinputs.test( elem.nodeName ); |
| 2091 | }, |
| 2092 | |
| 2093 | "button": function( elem ) { |
| 2094 | var name = elem.nodeName.toLowerCase(); |
| 2095 | return name === "input" && elem.type === "button" || name === "button"; |
| 2096 | }, |
| 2097 | |
| 2098 | "text": function( elem ) { |
| 2099 | var attr; |
| 2100 | return elem.nodeName.toLowerCase() === "input" && |
| 2101 | elem.type === "text" && |
| 2102 | |
| 2103 | // Support: IE<8 |
| 2104 | // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" |
| 2105 | ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); |
| 2106 | }, |
| 2107 | |
| 2108 | // Position-in-collection |
| 2109 | "first": createPositionalPseudo(function() { |
| 2110 | return [ 0 ]; |
| 2111 | }), |
| 2112 | |
| 2113 | "last": createPositionalPseudo(function( matchIndexes, length ) { |
| 2114 | return [ length - 1 ]; |
| 2115 | }), |
| 2116 | |
| 2117 | "eq": createPositionalPseudo(function( matchIndexes, length, argument ) { |
| 2118 | return [ argument < 0 ? argument + length : argument ]; |
| 2119 | }), |
| 2120 | |
| 2121 | "even": createPositionalPseudo(function( matchIndexes, length ) { |
| 2122 | var i = 0; |
| 2123 | for ( ; i < length; i += 2 ) { |
| 2124 | matchIndexes.push( i ); |
| 2125 | } |
| 2126 | return matchIndexes; |
| 2127 | }), |
| 2128 | |
| 2129 | "odd": createPositionalPseudo(function( matchIndexes, length ) { |
| 2130 | var i = 1; |
| 2131 | for ( ; i < length; i += 2 ) { |
| 2132 | matchIndexes.push( i ); |
| 2133 | } |
| 2134 | return matchIndexes; |
| 2135 | }), |
| 2136 | |
| 2137 | "lt": createPositionalPseudo(function( matchIndexes, length, argument ) { |
| 2138 | var i = argument < 0 ? argument + length : argument; |
| 2139 | for ( ; --i >= 0; ) { |
| 2140 | matchIndexes.push( i ); |
| 2141 | } |
| 2142 | return matchIndexes; |
| 2143 | }), |
| 2144 | |
| 2145 | "gt": createPositionalPseudo(function( matchIndexes, length, argument ) { |
| 2146 | var i = argument < 0 ? argument + length : argument; |
| 2147 | for ( ; ++i < length; ) { |
| 2148 | matchIndexes.push( i ); |
| 2149 | } |
| 2150 | return matchIndexes; |
| 2151 | }) |
| 2152 | } |
| 2153 | }; |
| 2154 | |
| 2155 | Expr.pseudos["nth"] = Expr.pseudos["eq"]; |
| 2156 | |
| 2157 | // Add button/input type pseudos |
| 2158 | for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { |
| 2159 | Expr.pseudos[ i ] = createInputPseudo( i ); |
| 2160 | } |
| 2161 | for ( i in { submit: true, reset: true } ) { |
| 2162 | Expr.pseudos[ i ] = createButtonPseudo( i ); |
| 2163 | } |
| 2164 | |
| 2165 | // Easy API for creating new setFilters |
| 2166 | function setFilters() {} |
| 2167 | setFilters.prototype = Expr.filters = Expr.pseudos; |
| 2168 | Expr.setFilters = new setFilters(); |
| 2169 | |
| 2170 | tokenize = Sizzle.tokenize = function( selector, parseOnly ) { |
| 2171 | var matched, match, tokens, type, |
| 2172 | soFar, groups, preFilters, |
| 2173 | cached = tokenCache[ selector + " " ]; |
| 2174 | |
| 2175 | if ( cached ) { |
| 2176 | return parseOnly ? 0 : cached.slice( 0 ); |
| 2177 | } |
| 2178 | |
| 2179 | soFar = selector; |
| 2180 | groups = []; |
| 2181 | preFilters = Expr.preFilter; |
| 2182 | |
| 2183 | while ( soFar ) { |
| 2184 | |
| 2185 | // Comma and first run |
| 2186 | if ( !matched || (match = rcomma.exec( soFar )) ) { |
| 2187 | if ( match ) { |
| 2188 | // Don't consume trailing commas as valid |
| 2189 | soFar = soFar.slice( match[0].length ) || soFar; |
| 2190 | } |
| 2191 | groups.push( (tokens = []) ); |
| 2192 | } |
| 2193 | |
| 2194 | matched = false; |
| 2195 | |
| 2196 | // Combinators |
| 2197 | if ( (match = rcombinators.exec( soFar )) ) { |
| 2198 | matched = match.shift(); |
| 2199 | tokens.push({ |
| 2200 | value: matched, |
| 2201 | // Cast descendant combinators to space |
| 2202 | type: match[0].replace( rtrim, " " ) |
| 2203 | }); |
| 2204 | soFar = soFar.slice( matched.length ); |
| 2205 | } |
| 2206 | |
| 2207 | // Filters |
| 2208 | for ( type in Expr.filter ) { |
| 2209 | if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || |
| 2210 | (match = preFilters[ type ]( match ))) ) { |
| 2211 | matched = match.shift(); |
| 2212 | tokens.push({ |
| 2213 | value: matched, |
| 2214 | type: type, |
| 2215 | matches: match |
| 2216 | }); |
| 2217 | soFar = soFar.slice( matched.length ); |
| 2218 | } |
| 2219 | } |
| 2220 | |
| 2221 | if ( !matched ) { |
| 2222 | break; |
| 2223 | } |
| 2224 | } |
| 2225 | |
| 2226 | // Return the length of the invalid excess |
| 2227 | // if we're just parsing |
| 2228 | // Otherwise, throw an error or return tokens |
| 2229 | return parseOnly ? |
| 2230 | soFar.length : |
| 2231 | soFar ? |
| 2232 | Sizzle.error( selector ) : |
| 2233 | // Cache the tokens |
| 2234 | tokenCache( selector, groups ).slice( 0 ); |
| 2235 | }; |
| 2236 | |
| 2237 | function toSelector( tokens ) { |
| 2238 | var i = 0, |
| 2239 | len = tokens.length, |
| 2240 | selector = ""; |
| 2241 | for ( ; i < len; i++ ) { |
| 2242 | selector += tokens[i].value; |
| 2243 | } |
| 2244 | return selector; |
| 2245 | } |
| 2246 | |
| 2247 | function addCombinator( matcher, combinator, base ) { |
| 2248 | var dir = combinator.dir, |
| 2249 | skip = combinator.next, |
| 2250 | key = skip || dir, |
| 2251 | checkNonElements = base && key === "parentNode", |
| 2252 | doneName = done++; |
| 2253 | |
| 2254 | return combinator.first ? |
| 2255 | // Check against closest ancestor/preceding element |
| 2256 | function( elem, context, xml ) { |
| 2257 | while ( (elem = elem[ dir ]) ) { |
| 2258 | if ( elem.nodeType === 1 || checkNonElements ) { |
| 2259 | return matcher( elem, context, xml ); |
| 2260 | } |
| 2261 | } |
| 2262 | return false; |
| 2263 | } : |
| 2264 | |
| 2265 | // Check against all ancestor/preceding elements |
| 2266 | function( elem, context, xml ) { |
| 2267 | var oldCache, uniqueCache, outerCache, |
| 2268 | newCache = [ dirruns, doneName ]; |
| 2269 | |
| 2270 | // We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching |
| 2271 | if ( xml ) { |
| 2272 | while ( (elem = elem[ dir ]) ) { |
| 2273 | if ( elem.nodeType === 1 || checkNonElements ) { |
| 2274 | if ( matcher( elem, context, xml ) ) { |
| 2275 | return true; |
| 2276 | } |
| 2277 | } |
| 2278 | } |
| 2279 | } else { |
| 2280 | while ( (elem = elem[ dir ]) ) { |
| 2281 | if ( elem.nodeType === 1 || checkNonElements ) { |
| 2282 | outerCache = elem[ expando ] || (elem[ expando ] = {}); |
| 2283 | |
| 2284 | // Support: IE <9 only |
| 2285 | // Defend against cloned attroperties (jQuery gh-1709) |
| 2286 | uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {}); |
| 2287 | |
| 2288 | if ( skip && skip === elem.nodeName.toLowerCase() ) { |
| 2289 | elem = elem[ dir ] || elem; |
| 2290 | } else if ( (oldCache = uniqueCache[ key ]) && |
| 2291 | oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) { |
| 2292 | |
| 2293 | // Assign to newCache so results back-propagate to previous elements |
| 2294 | return (newCache[ 2 ] = oldCache[ 2 ]); |
| 2295 | } else { |
| 2296 | // Reuse newcache so results back-propagate to previous elements |
| 2297 | uniqueCache[ key ] = newCache; |
| 2298 | |
| 2299 | // A match means we're done; a fail means we have to keep checking |
| 2300 | if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { |
| 2301 | return true; |
| 2302 | } |
| 2303 | } |
| 2304 | } |
| 2305 | } |
| 2306 | } |
| 2307 | return false; |
| 2308 | }; |
| 2309 | } |
| 2310 | |
| 2311 | function elementMatcher( matchers ) { |
| 2312 | return matchers.length > 1 ? |
| 2313 | function( elem, context, xml ) { |
| 2314 | var i = matchers.length; |
| 2315 | while ( i-- ) { |
| 2316 | if ( !matchers[i]( elem, context, xml ) ) { |
| 2317 | return false; |
| 2318 | } |
| 2319 | } |
| 2320 | return true; |
| 2321 | } : |
| 2322 | matchers[0]; |
| 2323 | } |
| 2324 | |
| 2325 | function multipleContexts( selector, contexts, results ) { |
| 2326 | var i = 0, |
| 2327 | len = contexts.length; |
| 2328 | for ( ; i < len; i++ ) { |
| 2329 | Sizzle( selector, contexts[i], results ); |
| 2330 | } |
| 2331 | return results; |
| 2332 | } |
| 2333 | |
| 2334 | function condense( unmatched, map, filter, context, xml ) { |
| 2335 | var elem, |
| 2336 | newUnmatched = [], |
| 2337 | i = 0, |
| 2338 | len = unmatched.length, |
| 2339 | mapped = map != null; |
| 2340 | |
| 2341 | for ( ; i < len; i++ ) { |
| 2342 | if ( (elem = unmatched[i]) ) { |
| 2343 | if ( !filter || filter( elem, context, xml ) ) { |
| 2344 | newUnmatched.push( elem ); |
| 2345 | if ( mapped ) { |
| 2346 | map.push( i ); |
| 2347 | } |
| 2348 | } |
| 2349 | } |
| 2350 | } |
| 2351 | |
| 2352 | return newUnmatched; |
| 2353 | } |
| 2354 | |
| 2355 | function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { |
| 2356 | if ( postFilter && !postFilter[ expando ] ) { |
| 2357 | postFilter = setMatcher( postFilter ); |
| 2358 | } |
| 2359 | if ( postFinder && !postFinder[ expando ] ) { |
| 2360 | postFinder = setMatcher( postFinder, postSelector ); |
| 2361 | } |
| 2362 | return markFunction(function( seed, results, context, xml ) { |
| 2363 | var temp, i, elem, |
| 2364 | preMap = [], |
| 2365 | postMap = [], |
| 2366 | preexisting = results.length, |
| 2367 | |
| 2368 | // Get initial elements from seed or context |
| 2369 | elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ), |
| 2370 | |
| 2371 | // Prefilter to get matcher input, preserving a map for seed-results synchronization |
| 2372 | matcherIn = preFilter && ( seed || !selector ) ? |
| 2373 | condense( elems, preMap, preFilter, context, xml ) : |
| 2374 | elems, |
| 2375 | |
| 2376 | matcherOut = matcher ? |
| 2377 | // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, |
| 2378 | postFinder || ( seed ? preFilter : preexisting || postFilter ) ? |
| 2379 | |
| 2380 | // ...intermediate processing is necessary |
| 2381 | [] : |
| 2382 | |
| 2383 | // ...otherwise use results directly |
| 2384 | results : |
| 2385 | matcherIn; |
| 2386 | |
| 2387 | // Find primary matches |
| 2388 | if ( matcher ) { |
| 2389 | matcher( matcherIn, matcherOut, context, xml ); |
| 2390 | } |
| 2391 | |
| 2392 | // Apply postFilter |
| 2393 | if ( postFilter ) { |
| 2394 | temp = condense( matcherOut, postMap ); |
| 2395 | postFilter( temp, [], context, xml ); |
| 2396 | |
| 2397 | // Un-match failing elements by moving them back to matcherIn |
| 2398 | i = temp.length; |
| 2399 | while ( i-- ) { |
| 2400 | if ( (elem = temp[i]) ) { |
| 2401 | matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); |
| 2402 | } |
| 2403 | } |
| 2404 | } |
| 2405 | |
| 2406 | if ( seed ) { |
| 2407 | if ( postFinder || preFilter ) { |
| 2408 | if ( postFinder ) { |
| 2409 | // Get the final matcherOut by condensing this intermediate into postFinder contexts |
| 2410 | temp = []; |
| 2411 | i = matcherOut.length; |
| 2412 | while ( i-- ) { |
| 2413 | if ( (elem = matcherOut[i]) ) { |
| 2414 | // Restore matcherIn since elem is not yet a final match |
| 2415 | temp.push( (matcherIn[i] = elem) ); |
| 2416 | } |
| 2417 | } |
| 2418 | postFinder( null, (matcherOut = []), temp, xml ); |
| 2419 | } |
| 2420 | |
| 2421 | // Move matched elements from seed to results to keep them synchronized |
| 2422 | i = matcherOut.length; |
| 2423 | while ( i-- ) { |
| 2424 | if ( (elem = matcherOut[i]) && |
| 2425 | (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) { |
| 2426 | |
| 2427 | seed[temp] = !(results[temp] = elem); |
| 2428 | } |
| 2429 | } |
| 2430 | } |
| 2431 | |
| 2432 | // Add elements to results, through postFinder if defined |
| 2433 | } else { |
| 2434 | matcherOut = condense( |
| 2435 | matcherOut === results ? |
| 2436 | matcherOut.splice( preexisting, matcherOut.length ) : |
| 2437 | matcherOut |
| 2438 | ); |
| 2439 | if ( postFinder ) { |
| 2440 | postFinder( null, results, matcherOut, xml ); |
| 2441 | } else { |
| 2442 | push.apply( results, matcherOut ); |
| 2443 | } |
| 2444 | } |
| 2445 | }); |
| 2446 | } |
| 2447 | |
| 2448 | function matcherFromTokens( tokens ) { |
| 2449 | var checkContext, matcher, j, |
| 2450 | len = tokens.length, |
| 2451 | leadingRelative = Expr.relative[ tokens[0].type ], |
| 2452 | implicitRelative = leadingRelative || Expr.relative[" "], |
| 2453 | i = leadingRelative ? 1 : 0, |
| 2454 | |
| 2455 | // The foundational matcher ensures that elements are reachable from top-level context(s) |
| 2456 | matchContext = addCombinator( function( elem ) { |
| 2457 | return elem === checkContext; |
| 2458 | }, implicitRelative, true ), |
| 2459 | matchAnyContext = addCombinator( function( elem ) { |
| 2460 | return indexOf( checkContext, elem ) > -1; |
| 2461 | }, implicitRelative, true ), |
| 2462 | matchers = [ function( elem, context, xml ) { |
| 2463 | var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( |
| 2464 | (checkContext = context).nodeType ? |
| 2465 | matchContext( elem, context, xml ) : |
| 2466 | matchAnyContext( elem, context, xml ) ); |
| 2467 | // Avoid hanging onto element (issue #299) |
| 2468 | checkContext = null; |
| 2469 | return ret; |
| 2470 | } ]; |
| 2471 | |
| 2472 | for ( ; i < len; i++ ) { |
| 2473 | if ( (matcher = Expr.relative[ tokens[i].type ]) ) { |
| 2474 | matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; |
| 2475 | } else { |
| 2476 | matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches ); |
| 2477 | |
| 2478 | // Return special upon seeing a positional matcher |
| 2479 | if ( matcher[ expando ] ) { |
| 2480 | // Find the next relative operator (if any) for proper handling |
| 2481 | j = ++i; |
| 2482 | for ( ; j < len; j++ ) { |
| 2483 | if ( Expr.relative[ tokens[j].type ] ) { |
| 2484 | break; |
| 2485 | } |
| 2486 | } |
| 2487 | return setMatcher( |
| 2488 | i > 1 && elementMatcher( matchers ), |
| 2489 | i > 1 && toSelector( |
| 2490 | // If the preceding token was a descendant combinator, insert an implicit any-element `*` |
| 2491 | tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) |
| 2492 | ).replace( rtrim, "$1" ), |
| 2493 | matcher, |
| 2494 | i < j && matcherFromTokens( tokens.slice( i, j ) ), |
| 2495 | j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), |
| 2496 | j < len && toSelector( tokens ) |
| 2497 | ); |
| 2498 | } |
| 2499 | matchers.push( matcher ); |
| 2500 | } |
| 2501 | } |
| 2502 | |
| 2503 | return elementMatcher( matchers ); |
| 2504 | } |
| 2505 | |
| 2506 | function matcherFromGroupMatchers( elementMatchers, setMatchers ) { |
| 2507 | var bySet = setMatchers.length > 0, |
| 2508 | byElement = elementMatchers.length > 0, |
| 2509 | superMatcher = function( seed, context, xml, results, outermost ) { |
| 2510 | var elem, j, matcher, |
| 2511 | matchedCount = 0, |
| 2512 | i = "0", |
| 2513 | unmatched = seed && [], |
| 2514 | setMatched = [], |
| 2515 | contextBackup = outermostContext, |
| 2516 | // We must always have either seed elements or outermost context |
| 2517 | elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), |
| 2518 | // Use integer dirruns iff this is the outermost matcher |
| 2519 | dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), |
| 2520 | len = elems.length; |
| 2521 | |
| 2522 | if ( outermost ) { |
| 2523 | outermostContext = context === document || context || outermost; |
| 2524 | } |
| 2525 | |
| 2526 | // Add elements passing elementMatchers directly to results |
| 2527 | // Support: IE<9, Safari |
| 2528 | // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id |
| 2529 | for ( ; i !== len && (elem = elems[i]) != null; i++ ) { |
| 2530 | if ( byElement && elem ) { |
| 2531 | j = 0; |
| 2532 | if ( !context && elem.ownerDocument !== document ) { |
| 2533 | setDocument( elem ); |
| 2534 | xml = !documentIsHTML; |
| 2535 | } |
| 2536 | while ( (matcher = elementMatchers[j++]) ) { |
| 2537 | if ( matcher( elem, context || document, xml) ) { |
| 2538 | results.push( elem ); |
| 2539 | break; |
| 2540 | } |
| 2541 | } |
| 2542 | if ( outermost ) { |
| 2543 | dirruns = dirrunsUnique; |
| 2544 | } |
| 2545 | } |
| 2546 | |
| 2547 | // Track unmatched elements for set filters |
| 2548 | if ( bySet ) { |
| 2549 | // They will have gone through all possible matchers |
| 2550 | if ( (elem = !matcher && elem) ) { |
| 2551 | matchedCount--; |
| 2552 | } |
| 2553 | |
| 2554 | // Lengthen the array for every element, matched or not |
| 2555 | if ( seed ) { |
| 2556 | unmatched.push( elem ); |
| 2557 | } |
| 2558 | } |
| 2559 | } |
| 2560 | |
| 2561 | // `i` is now the count of elements visited above, and adding it to `matchedCount` |
| 2562 | // makes the latter nonnegative. |
| 2563 | matchedCount += i; |
| 2564 | |
| 2565 | // Apply set filters to unmatched elements |
| 2566 | // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` |
| 2567 | // equals `i`), unless we didn't visit _any_ elements in the above loop because we have |
| 2568 | // no element matchers and no seed. |
| 2569 | // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that |
| 2570 | // case, which will result in a "00" `matchedCount` that differs from `i` but is also |
| 2571 | // numerically zero. |
| 2572 | if ( bySet && i !== matchedCount ) { |
| 2573 | j = 0; |
| 2574 | while ( (matcher = setMatchers[j++]) ) { |
| 2575 | matcher( unmatched, setMatched, context, xml ); |
| 2576 | } |
| 2577 | |
| 2578 | if ( seed ) { |
| 2579 | // Reintegrate element matches to eliminate the need for sorting |
| 2580 | if ( matchedCount > 0 ) { |
| 2581 | while ( i-- ) { |
| 2582 | if ( !(unmatched[i] || setMatched[i]) ) { |
| 2583 | setMatched[i] = pop.call( results ); |
| 2584 | } |
| 2585 | } |
| 2586 | } |
| 2587 | |
| 2588 | // Discard index placeholder values to get only actual matches |
| 2589 | setMatched = condense( setMatched ); |
| 2590 | } |
| 2591 | |
| 2592 | // Add matches to results |
| 2593 | push.apply( results, setMatched ); |
| 2594 | |
| 2595 | // Seedless set matches succeeding multiple successful matchers stipulate sorting |
| 2596 | if ( outermost && !seed && setMatched.length > 0 && |
| 2597 | ( matchedCount + setMatchers.length ) > 1 ) { |
| 2598 | |
| 2599 | Sizzle.uniqueSort( results ); |
| 2600 | } |
| 2601 | } |
| 2602 | |
| 2603 | // Override manipulation of globals by nested matchers |
| 2604 | if ( outermost ) { |
| 2605 | dirruns = dirrunsUnique; |
| 2606 | outermostContext = contextBackup; |
| 2607 | } |
| 2608 | |
| 2609 | return unmatched; |
| 2610 | }; |
| 2611 | |
| 2612 | return bySet ? |
| 2613 | markFunction( superMatcher ) : |
| 2614 | superMatcher; |
| 2615 | } |
| 2616 | |
| 2617 | compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { |
| 2618 | var i, |
| 2619 | setMatchers = [], |
| 2620 | elementMatchers = [], |
| 2621 | cached = compilerCache[ selector + " " ]; |
| 2622 | |
| 2623 | if ( !cached ) { |
| 2624 | // Generate a function of recursive functions that can be used to check each element |
| 2625 | if ( !match ) { |
| 2626 | match = tokenize( selector ); |
| 2627 | } |
| 2628 | i = match.length; |
| 2629 | while ( i-- ) { |
| 2630 | cached = matcherFromTokens( match[i] ); |
| 2631 | if ( cached[ expando ] ) { |
| 2632 | setMatchers.push( cached ); |
| 2633 | } else { |
| 2634 | elementMatchers.push( cached ); |
| 2635 | } |
| 2636 | } |
| 2637 | |
| 2638 | // Cache the compiled function |
| 2639 | cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) ); |
| 2640 | |
| 2641 | // Save selector and tokenization |
| 2642 | cached.selector = selector; |
| 2643 | } |
| 2644 | return cached; |
| 2645 | }; |
| 2646 | |
| 2647 | /** |
| 2648 | * A low-level selection function that works with Sizzle's compiled |
| 2649 | * selector functions |
| 2650 | * @param {String|Function} selector A selector or a pre-compiled |
| 2651 | * selector function built with Sizzle.compile |
| 2652 | * @param {Element} context |
| 2653 | * @param {Array} [results] |
| 2654 | * @param {Array} [seed] A set of elements to match against |
| 2655 | */ |
| 2656 | select = Sizzle.select = function( selector, context, results, seed ) { |
| 2657 | var i, tokens, token, type, find, |
| 2658 | compiled = typeof selector === "function" && selector, |
| 2659 | match = !seed && tokenize( (selector = compiled.selector || selector) ); |
| 2660 | |
| 2661 | results = results || []; |
| 2662 | |
| 2663 | // Try to minimize operations if there is only one selector in the list and no seed |
| 2664 | // (the latter of which guarantees us context) |
| 2665 | if ( match.length === 1 ) { |
| 2666 | |
| 2667 | // Reduce context if the leading compound selector is an ID |
| 2668 | tokens = match[0] = match[0].slice( 0 ); |
| 2669 | if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && |
| 2670 | context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) { |
| 2671 | |
| 2672 | context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; |
| 2673 | if ( !context ) { |
| 2674 | return results; |
| 2675 | |
| 2676 | // Precompiled matchers will still verify ancestry, so step up a level |
| 2677 | } else if ( compiled ) { |
| 2678 | context = context.parentNode; |
| 2679 | } |
| 2680 | |
| 2681 | selector = selector.slice( tokens.shift().value.length ); |
| 2682 | } |
| 2683 | |
| 2684 | // Fetch a seed set for right-to-left matching |
| 2685 | i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; |
| 2686 | while ( i-- ) { |
| 2687 | token = tokens[i]; |
|