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/*! * jQuery JavaScript Library v3.3.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/parseXML,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-event/ajax,-effects,-effects/Tween,-effects/animatedSelector * https://jquery.com/
* * Includes Sizzle.js * https://sizzlejs.com/
* * Copyright JS Foundation and other contributors * Released under the MIT license * https://jquery.org/license
* * Date: 2018-01-20T17:24Z */ ( function( global, factory ) {
"use strict";
if ( typeof module === "object" && typeof module.exports === "object" ) {
// For CommonJS and CommonJS-like environments where a proper `window`
// is present, execute the factory and get jQuery.
// For environments that do not have a `window` with a `document`
// (such as Node.js), expose a factory as module.exports.
// This accentuates the need for the creation of a real `window`.
// e.g. var jQuery = require("jquery")(window);
// See ticket #14549 for more info.
module.exports = global.document ? factory( global, true ) : function( w ) { if ( !w.document ) { throw new Error( "jQuery requires a window with a document" ); } return factory( w ); }; } else { factory( global ); }
// Pass this if window is not defined yet
} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
// enough that all such attempts are guarded in a try block.
"use strict";
var arr = [];
var document = window.document;
var getProto = Object.getPrototypeOf;
var slice = arr.slice;
var concat = arr.concat;
var push = arr.push;
var indexOf = arr.indexOf;
var class2type = {};
var toString = class2type.toString;
var hasOwn = class2type.hasOwnProperty;
var fnToString = hasOwn.toString;
var ObjectFunctionString = fnToString.call( Object );
var support = {};
var isFunction = function isFunction( obj ) {
// Support: Chrome <=57, Firefox <=52
// In some browsers, typeof returns "function" for HTML <object> elements
// (i.e., `typeof document.createElement( "object" ) === "function"`).
// We don't want to classify *any* DOM node as a function.
return typeof obj === "function" && typeof obj.nodeType !== "number"; };
var isWindow = function isWindow( obj ) { return obj != null && obj === obj.window; };
var preservedScriptAttributes = { type: true, src: true, noModule: true };
function DOMEval( code, doc, node ) { doc = doc || document;
var i, script = doc.createElement( "script" );
script.text = code; if ( node ) { for ( i in preservedScriptAttributes ) { if ( node[ i ] ) { script[ i ] = node[ i ]; } } } doc.head.appendChild( script ).parentNode.removeChild( script ); }
function toType( obj ) { if ( obj == null ) { return obj + ""; }
// Support: Android <=2.3 only (functionish RegExp)
return typeof obj === "object" || typeof obj === "function" ? class2type[ toString.call( obj ) ] || "object" : typeof obj; } /* global Symbol */ // Defining this global in .eslintrc.json would create a danger of using the global
// unguarded in another place, it seems safer to define global only for this module
var version = "3.3.1 -ajax,-ajax/jsonp,-ajax/load,-ajax/parseXML,-ajax/script,-ajax/var/location,-ajax/var/nonce,-ajax/var/rquery,-ajax/xhr,-manipulation/_evalUrl,-event/ajax,-effects,-effects/Tween,-effects/animatedSelector",
// Define a local copy of jQuery
jQuery = function( selector, context ) {
// The jQuery object is actually just the init constructor 'enhanced'
// Need init if jQuery is called (just allow error to be thrown if not included)
return new jQuery.fn.init( selector, context ); },
// Support: Android <=4.0 only
// Make sure we trim BOM and NBSP
rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
jQuery.fn = jQuery.prototype = {
// The current version of jQuery being used
jquery: version,
constructor: jQuery,
// The default length of a jQuery object is 0
length: 0,
toArray: function() { return slice.call( this ); },
// Get the Nth element in the matched element set OR
// Get the whole matched element set as a clean array
get: function( num ) {
// Return all the elements in a clean array
if ( num == null ) { return slice.call( this ); }
// Return just the one element from the set
return num < 0 ? this[ num + this.length ] : this[ num ]; },
// Take an array of elements and push it onto the stack
// (returning the new matched element set)
pushStack: function( elems ) {
// Build a new jQuery matched element set
var ret = jQuery.merge( this.constructor(), elems );
// Add the old object onto the stack (as a reference)
ret.prevObject = this;
// Return the newly-formed element set
return ret; },
// Execute a callback for every element in the matched set.
each: function( callback ) { return jQuery.each( this, callback ); },
map: function( callback ) { return this.pushStack( jQuery.map( this, function( elem, i ) { return callback.call( elem, i, elem ); } ) ); },
slice: function() { return this.pushStack( slice.apply( this, arguments ) ); },
first: function() { return this.eq( 0 ); },
last: function() { return this.eq( -1 ); },
eq: function( i ) { var len = this.length, j = +i + ( i < 0 ? len : 0 ); return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); },
end: function() { return this.prevObject || this.constructor(); },
// For internal use only.
// Behaves like an Array's method, not like a jQuery method.
push: push, sort: arr.sort, splice: arr.splice };
jQuery.extend = jQuery.fn.extend = function() { var options, name, src, copy, copyIsArray, clone, target = arguments[ 0 ] || {}, i = 1, length = arguments.length, deep = false;
// Handle a deep copy situation
if ( typeof target === "boolean" ) { deep = target;
// Skip the boolean and the target
target = arguments[ i ] || {}; i++; }
// Handle case when target is a string or something (possible in deep copy)
if ( typeof target !== "object" && !isFunction( target ) ) { target = {}; }
// Extend jQuery itself if only one argument is passed
if ( i === length ) { target = this; i--; }
for ( ; i < length; i++ ) {
// Only deal with non-null/undefined values
if ( ( options = arguments[ i ] ) != null ) {
// Extend the base object
for ( name in options ) { src = target[ name ]; copy = options[ name ];
// Prevent never-ending loop
if ( target === copy ) { continue; }
// Recurse if we're merging plain objects or arrays
if ( deep && copy && ( jQuery.isPlainObject( copy ) || ( copyIsArray = Array.isArray( copy ) ) ) ) {
if ( copyIsArray ) { copyIsArray = false; clone = src && Array.isArray( src ) ? src : [];
} else { clone = src && jQuery.isPlainObject( src ) ? src : {}; }
// Never move original objects, clone them
target[ name ] = jQuery.extend( deep, clone, copy );
// Don't bring in undefined values
} else if ( copy !== undefined ) { target[ name ] = copy; } } } }
// Return the modified object
return target; };
jQuery.extend( {
// Unique for each copy of jQuery on the page
expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
// Assume jQuery is ready without the ready module
isReady: true,
error: function( msg ) { throw new Error( msg ); },
noop: function() {},
isPlainObject: function( obj ) { var proto, Ctor;
// Detect obvious negatives
// Use toString instead of jQuery.type to catch host objects
if ( !obj || toString.call( obj ) !== "[object Object]" ) { return false; }
proto = getProto( obj );
// Objects with no prototype (e.g., `Object.create( null )`) are plain
if ( !proto ) { return true; }
// Objects with prototype are plain iff they were constructed by a global Object function
Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; },
isEmptyObject: function( obj ) {
/* eslint-disable no-unused-vars */ // See https://github.com/eslint/eslint/issues/6125
var name;
for ( name in obj ) { return false; } return true; },
// Evaluates a script in a global context
globalEval: function( code ) { DOMEval( code ); },
each: function( obj, callback ) { var length, i = 0;
if ( isArrayLike( obj ) ) { length = obj.length; for ( ; i < length; i++ ) { if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { break; } } } else { for ( i in obj ) { if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { break; } } }
return obj; },
// Support: Android <=4.0 only
trim: function( text ) { return text == null ? "" : ( text + "" ).replace( rtrim, "" ); },
// results is for internal usage only
makeArray: function( arr, results ) { var ret = results || [];
if ( arr != null ) { if ( isArrayLike( Object( arr ) ) ) { jQuery.merge( ret, typeof arr === "string" ? [ arr ] : arr ); } else { push.call( ret, arr ); } }
return ret; },
inArray: function( elem, arr, i ) { return arr == null ? -1 : indexOf.call( arr, elem, i ); },
// Support: Android <=4.0 only, PhantomJS 1 only
// push.apply(_, arraylike) throws on ancient WebKit
merge: function( first, second ) { var len = +second.length, j = 0, i = first.length;
for ( ; j < len; j++ ) { first[ i++ ] = second[ j ]; }
first.length = i;
return first; },
grep: function( elems, callback, invert ) { var callbackInverse, matches = [], i = 0, length = elems.length, callbackExpect = !invert;
// Go through the array, only saving the items
// that pass the validator function
for ( ; i < length; i++ ) { callbackInverse = !callback( elems[ i ], i ); if ( callbackInverse !== callbackExpect ) { matches.push( elems[ i ] ); } }
return matches; },
// arg is for internal usage only
map: function( elems, callback, arg ) { var length, value, i = 0, ret = [];
// Go through the array, translating each of the items to their new values
if ( isArrayLike( elems ) ) { length = elems.length; for ( ; i < length; i++ ) { value = callback( elems[ i ], i, arg );
if ( value != null ) { ret.push( value ); } }
// Go through every key on the object,
} else { for ( i in elems ) { value = callback( elems[ i ], i, arg );
if ( value != null ) { ret.push( value ); } } }
// Flatten any nested arrays
return concat.apply( [], ret ); },
// A global GUID counter for objects
guid: 1,
// jQuery.support is not used in Core but other projects attach their
// properties to it so it needs to exist.
support: support } );
if ( typeof Symbol === "function" ) { jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; }
// Populate the class2type map
jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), function( i, name ) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); } );
function isArrayLike( obj ) {
// Support: real iOS 8.2 only (not reproducible in simulator)
// `in` check used to prevent JIT error (gh-2145)
// hasOwn isn't used here due to false negatives
// regarding Nodelist length in IE
var length = !!obj && "length" in obj && obj.length, type = toType( obj );
if ( isFunction( obj ) || isWindow( obj ) ) { return false; }
return type === "array" || length === 0 || typeof length === "number" && length > 0 && ( length - 1 ) in obj; } var Sizzle = /*! * Sizzle CSS Selector Engine v2.3.3 * https://sizzlejs.com/
* * Copyright jQuery Foundation and other contributors * Released under the MIT license * http://jquery.org/license
* * Date: 2016-08-08 */ (function( window ) {
var i, support, Expr, getText, isXML, tokenize, compile, select, outermostContext, sortInput, hasDuplicate,
// Local document vars
setDocument, document, docElem, documentIsHTML, rbuggyQSA, rbuggyMatches, matches, contains,
// Instance-specific data
expando = "sizzle" + 1 * new Date(), preferredDoc = window.document, dirruns = 0, done = 0, classCache = createCache(), tokenCache = createCache(), compilerCache = createCache(), sortOrder = function( a, b ) { if ( a === b ) { hasDuplicate = true; } return 0; },
// Instance methods
hasOwn = ({}).hasOwnProperty, arr = [], pop = arr.pop, push_native = arr.push, push = arr.push, slice = arr.slice, // Use a stripped-down indexOf as it's faster than native
// https://jsperf.com/thor-indexof-vs-for/5
indexOf = function( list, elem ) { var i = 0, len = list.length; for ( ; i < len; i++ ) { if ( list[i] === elem ) { return i; } } return -1; },
booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
// Regular expressions
// http://www.w3.org/TR/css3-selectors/#whitespace
whitespace = "[\\x20\\t\\r\\n\\f]",
// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + // Operator (capture 2)
"*([*^$|!~]?=)" + whitespace + // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + "*\\]",
pseudos = ":(" + identifier + ")(?:\\((" + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
// 1. quoted (capture 3; capture 4 or capture 5)
"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + // 2. simple (capture 6)
"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + // 3. anything else (capture 2)
".*" + ")\\)|)",
// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
rwhitespace = new RegExp( whitespace + "+", "g" ), rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
rpseudo = new RegExp( pseudos ), ridentifier = new RegExp( "^" + identifier + "$" ),
matchExpr = { "ID": new RegExp( "^#(" + identifier + ")" ), "CLASS": new RegExp( "^\\.(" + identifier + ")" ), "TAG": new RegExp( "^(" + identifier + "|[*])" ), "ATTR": new RegExp( "^" + attributes ), "PSEUDO": new RegExp( "^" + pseudos ), "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), // For use in libraries implementing .is()
// We use this for POS matching in `select`
"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) },
rinputs = /^(?:input|select|textarea|button)$/i, rheader = /^h\d$/i,
rnative = /^[^{]+\{\s*\[native \w/,
// Easily-parseable/retrievable ID or TAG or CLASS selectors
rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
rsibling = /[+~]/,
// CSS escapes
// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), funescape = function( _, escaped, escapedWhitespace ) { var high = "0x" + escaped - 0x10000; // NaN means non-codepoint
// Support: Firefox<24
// Workaround erroneous numeric interpretation of +"0x"
return high !== high || escapedWhitespace ? escaped : high < 0 ? // BMP codepoint
String.fromCharCode( high + 0x10000 ) : // Supplemental Plane codepoint (surrogate pair)
String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); },
// CSS string/identifier serialization
// https://drafts.csswg.org/cssom/#common-serializing-idioms
rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g, fcssescape = function( ch, asCodePoint ) { if ( asCodePoint ) {
// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
if ( ch === "\0" ) { return "\uFFFD"; }
// Control characters and (dependent upon position) numbers get escaped as code points
return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; }
// Other potentially-special ASCII characters get backslash-escaped
return "\\" + ch; },
// Used for iframes
// See setDocument()
// Removing the function wrapper causes a "Permission Denied"
// error in IE
unloadHandler = function() { setDocument(); },
disabledAncestor = addCombinator( function( elem ) { return elem.disabled === true && ("form" in elem || "label" in elem); }, { dir: "parentNode", next: "legend" } );
// Optimize for push.apply( _, NodeList )
try { push.apply( (arr = slice.call( preferredDoc.childNodes )), preferredDoc.childNodes ); // Support: Android<4.0
// Detect silently failing push.apply
arr[ preferredDoc.childNodes.length ].nodeType; } catch ( e ) { push = { apply: arr.length ?
// Leverage slice if possible
function( target, els ) { push_native.apply( target, slice.call(els) ); } :
// Support: IE<9
// Otherwise append directly
function( target, els ) { var j = target.length, i = 0; // Can't trust NodeList.length
while ( (target[j++] = els[i++]) ) {} target.length = j - 1; } }; }
function Sizzle( selector, context, results, seed ) { var m, i, elem, nid, match, groups, newSelector, newContext = context && context.ownerDocument,
// nodeType defaults to 9, since context defaults to document
nodeType = context ? context.nodeType : 9;
results = results || [];
// Return early from calls with invalid selector or context
if ( typeof selector !== "string" || !selector || nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
return results; }
// Try to shortcut find operations (as opposed to filters) in HTML documents
if ( !seed ) {
if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { setDocument( context ); } context = context || document;
if ( documentIsHTML ) {
// If the selector is sufficiently simple, try using a "get*By*" DOM method
// (excepting DocumentFragment context, where the methods don't exist)
if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
// ID selector
if ( (m = match[1]) ) {
// Document context
if ( nodeType === 9 ) { if ( (elem = context.getElementById( m )) ) {
// Support: IE, Opera, Webkit
// TODO: identify versions
// getElementById can match elements by name instead of ID
if ( elem.id === m ) { results.push( elem ); return results; } } else { return results; }
// Element context
} else {
// Support: IE, Opera, Webkit
// TODO: identify versions
// getElementById can match elements by name instead of ID
if ( newContext && (elem = newContext.getElementById( m )) && contains( context, elem ) && elem.id === m ) {
results.push( elem ); return results; } }
// Type selector
} else if ( match[2] ) { push.apply( results, context.getElementsByTagName( selector ) ); return results;
// Class selector
} else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
push.apply( results, context.getElementsByClassName( m ) ); return results; } }
// Take advantage of querySelectorAll
if ( support.qsa && !compilerCache[ selector + " " ] && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
if ( nodeType !== 1 ) { newContext = context; newSelector = selector;
// qSA looks outside Element context, which is not what we want
// Thanks to Andrew Dupont for this workaround technique
// Support: IE <=8
// Exclude object elements
} else if ( context.nodeName.toLowerCase() !== "object" ) {
// Capture the context ID, setting it first if necessary
if ( (nid = context.getAttribute( "id" )) ) { nid = nid.replace( rcssescape, fcssescape ); } else { context.setAttribute( "id", (nid = expando) ); }
// Prefix every selector in the list
groups = tokenize( selector ); i = groups.length; while ( i-- ) { groups[i] = "#" + nid + " " + toSelector( groups[i] ); } newSelector = groups.join( "," );
// Expand context for sibling selectors
newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; }
if ( newSelector ) { try { push.apply( results, newContext.querySelectorAll( newSelector ) ); return results; } catch ( qsaError ) { } finally { if ( nid === expando ) { context.removeAttribute( "id" ); } } } } } }
// All others
return select( selector.replace( rtrim, "$1" ), context, results, seed ); }
/** * Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) * deleting the oldest entry */ function createCache() { var keys = [];
function cache( key, value ) { // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
if ( keys.push( key + " " ) > Expr.cacheLength ) { // Only keep the most recent entries
delete cache[ keys.shift() ]; } return (cache[ key + " " ] = value); } return cache; }
/** * Mark a function for special use by Sizzle * @param {Function} fn The function to mark */ function markFunction( fn ) { fn[ expando ] = true; return fn; }
/** * Support testing using an element * @param {Function} fn Passed the created element and returns a boolean result */ function assert( fn ) { var el = document.createElement("fieldset");
try { return !!fn( el ); } catch (e) { return false; } finally { // Remove from its parent by default
if ( el.parentNode ) { el.parentNode.removeChild( el ); } // release memory in IE
el = null; } }
/** * Adds the same handler for all of the specified attrs * @param {String} attrs Pipe-separated list of attributes * @param {Function} handler The method that will be applied */ function addHandle( attrs, handler ) { var arr = attrs.split("|"), i = arr.length;
while ( i-- ) { Expr.attrHandle[ arr[i] ] = handler; } }
/** * Checks document order of two siblings * @param {Element} a * @param {Element} b * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b */ function siblingCheck( a, b ) { var cur = b && a, diff = cur && a.nodeType === 1 && b.nodeType === 1 && a.sourceIndex - b.sourceIndex;
// Use IE sourceIndex if available on both nodes
if ( diff ) { return diff; }
// Check if b follows a
if ( cur ) { while ( (cur = cur.nextSibling) ) { if ( cur === b ) { return -1; } } }
return a ? 1 : -1; }
/** * Returns a function to use in pseudos for input types * @param {String} type */ function createInputPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === type; }; }
/** * Returns a function to use in pseudos for buttons * @param {String} type */ function createButtonPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return (name === "input" || name === "button") && elem.type === type; }; }
/** * Returns a function to use in pseudos for :enabled/:disabled * @param {Boolean} disabled true for :disabled; false for :enabled */ function createDisabledPseudo( disabled ) {
// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
return function( elem ) {
// Only certain elements can match :enabled or :disabled
// https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
// https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
if ( "form" in elem ) {
// Check for inherited disabledness on relevant non-disabled elements:
// * listed form-associated elements in a disabled fieldset
// https://html.spec.whatwg.org/multipage/forms.html#category-listed
// https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
// * option elements in a disabled optgroup
// https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
// All such elements have a "form" property.
if ( elem.parentNode && elem.disabled === false ) {
// Option elements defer to a parent optgroup if present
if ( "label" in elem ) { if ( "label" in elem.parentNode ) { return elem.parentNode.disabled === disabled; } else { return elem.disabled === disabled; } }
// Support: IE 6 - 11
// Use the isDisabled shortcut property to check for disabled fieldset ancestors
return elem.isDisabled === disabled ||
// Where there is no isDisabled, check manually
/* jshint -W018 */ elem.isDisabled !== !disabled && disabledAncestor( elem ) === disabled; }
return elem.disabled === disabled;
// Try to winnow out elements that can't be disabled before trusting the disabled property.
// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
// even exist on them, let alone have a boolean value.
} else if ( "label" in elem ) { return elem.disabled === disabled; }
// Remaining elements are neither :enabled nor :disabled
return false; }; }
/** * Returns a function to use in pseudos for positionals * @param {Function} fn */ function createPositionalPseudo( fn ) { return markFunction(function( argument ) { argument = +argument; return markFunction(function( seed, matches ) { var j, matchIndexes = fn( [], seed.length, argument ), i = matchIndexes.length;
// Match elements found at the specified indexes
while ( i-- ) { if ( seed[ (j = matchIndexes[i]) ] ) { seed[j] = !(matches[j] = seed[j]); } } }); }); }
/** * Checks a node for validity as a Sizzle context * @param {Element|Object=} context * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value */ function testContext( context ) { return context && typeof context.getElementsByTagName !== "undefined" && context; }
// Expose support vars for convenience
support = Sizzle.support = {};
/** * Detects XML nodes * @param {Element|Object} elem An element or a document * @returns {Boolean} True iff elem is a non-HTML XML node */ isXML = Sizzle.isXML = function( elem ) { // documentElement is verified for cases where it doesn't yet exist
// (such as loading iframes in IE - #4833)
var documentElement = elem && (elem.ownerDocument || elem).documentElement; return documentElement ? documentElement.nodeName !== "HTML" : false; };
/** * Sets document-related variables once based on the current document * @param {Element|Object} [doc] An element or document object to use to set the document * @returns {Object} Returns the current document */ setDocument = Sizzle.setDocument = function( node ) { var hasCompare, subWindow, doc = node ? node.ownerDocument || node : preferredDoc;
// Return early if doc is invalid or already selected
if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { return document; }
// Update global variables
document = doc; docElem = document.documentElement; documentIsHTML = !isXML( document );
// Support: IE 9-11, Edge
// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
if ( preferredDoc !== document && (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
// Support: IE 11, Edge
if ( subWindow.addEventListener ) { subWindow.addEventListener( "unload", unloadHandler, false );
// Support: IE 9 - 10 only
} else if ( subWindow.attachEvent ) { subWindow.attachEvent( "onunload", unloadHandler ); } }
/* Attributes ---------------------------------------------------------------------- */
// Support: IE<8
// Verify that getAttribute really returns attributes and not properties
// (excepting IE8 booleans)
support.attributes = assert(function( el ) { el.className = "i"; return !el.getAttribute("className"); });
/* getElement(s)By* ---------------------------------------------------------------------- */
// Check if getElementsByTagName("*") returns only elements
support.getElementsByTagName = assert(function( el ) { el.appendChild( document.createComment("") ); return !el.getElementsByTagName("*").length; });
// Support: IE<9
support.getElementsByClassName = rnative.test( document.getElementsByClassName );
// Support: IE<10
// Check if getElementById returns elements by name
// The broken getElementById methods don't pick up programmatically-set names,
// so use a roundabout getElementsByName test
support.getById = assert(function( el ) { docElem.appendChild( el ).id = expando; return !document.getElementsByName || !document.getElementsByName( expando ).length; });
// ID filter and find
if ( support.getById ) { Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { return elem.getAttribute("id") === attrId; }; }; Expr.find["ID"] = function( id, context ) { if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { var elem = context.getElementById( id ); return elem ? [ elem ] : []; } }; } else { Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); return node && node.value === attrId; }; };
// Support: IE 6 - 7 only
// getElementById is not reliable as a find shortcut
Expr.find["ID"] = function( id, context ) { if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { var node, i, elems, elem = context.getElementById( id );
if ( elem ) {
// Verify the id attribute
node = elem.getAttributeNode("id"); if ( node && node.value === id ) { return [ elem ]; }
// Fall back on getElementsByName
elems = context.getElementsByName( id ); i = 0; while ( (elem = elems[i++]) ) { node = elem.getAttributeNode("id"); if ( node && node.value === id ) { return [ elem ]; } } }
return []; } }; }
// Tag
Expr.find["TAG"] = support.getElementsByTagName ? function( tag, context ) { if ( typeof context.getElementsByTagName !== "undefined" ) { return context.getElementsByTagName( tag );
// DocumentFragment nodes don't have gEBTN
} else if ( support.qsa ) { return context.querySelectorAll( tag ); } } :
function( tag, context ) { var elem, tmp = [], i = 0, // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
results = context.getElementsByTagName( tag );
// Filter out possible comments
if ( tag === "*" ) { while ( (elem = results[i++]) ) { if ( elem.nodeType === 1 ) { tmp.push( elem ); } }
return tmp; } return results; };
// Class
Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { return context.getElementsByClassName( className ); } };
/* QSA/matchesSelector ---------------------------------------------------------------------- */
// QSA and matchesSelector support
// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
rbuggyMatches = [];
// qSa(:focus) reports false when true (Chrome 21)
// We allow this because of a bug in IE8/9 that throws an error
// whenever `document.activeElement` is accessed on an iframe
// So, we allow :focus to pass through QSA all the time to avoid the IE error
// See https://bugs.jquery.com/ticket/13378
rbuggyQSA = [];
if ( (support.qsa = rnative.test( document.querySelectorAll )) ) { // Build QSA regex
// Regex strategy adopted from Diego Perini
assert(function( el ) { // Select is set to empty string on purpose
// This is to test IE's treatment of not explicitly
// setting a boolean content attribute,
// since its presence should be enough
// https://bugs.jquery.com/ticket/12359
docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" + "<select id='" + expando + "-\r\\' msallowcapture=''>" + "<option selected=''></option></select>";
// Support: IE8, Opera 11-12.16
// Nothing should be selected when empty strings follow ^= or $= or *=
// The test attribute must be unknown in Opera but "safe" for WinRT
// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
if ( el.querySelectorAll("[msallowcapture^='']").length ) { rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" ); }
// Support: IE8
// Boolean attributes and "value" are not treated correctly
if ( !el.querySelectorAll("[selected]").length ) { rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); }
// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { rbuggyQSA.push("~="); }
// Webkit/Opera - :checked should return selected option elements
// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
// IE8 throws error here and will not see later tests
if ( !el.querySelectorAll(":checked").length ) { rbuggyQSA.push(":checked"); }
// Support: Safari 8+, iOS 8+
// https://bugs.webkit.org/show_bug.cgi?id=136851
// In-page `selector#id sibling-combinator selector` fails
if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { rbuggyQSA.push(".#.+[+~]"); } });
assert(function( el ) { el.innerHTML = "<a href='' disabled='disabled'></a>" + "<select disabled='disabled'><option/></select>";
// Support: Windows 8 Native Apps
// The type and name attributes are restricted during .innerHTML assignment
var input = document.createElement("input"); input.setAttribute( "type", "hidden" ); el.appendChild( input ).setAttribute( "name", "D" );
// Support: IE8
// Enforce case-sensitivity of name attribute
if ( el.querySelectorAll("[name=d]").length ) { rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); }
// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
// IE8 throws error here and will not see later tests
if ( el.querySelectorAll(":enabled").length !== 2 ) { rbuggyQSA.push( ":enabled", ":disabled" ); }
// Support: IE9-11+
// IE's :disabled selector does not pick up the children of disabled fieldsets
docElem.appendChild( el ).disabled = true; if ( el.querySelectorAll(":disabled").length !== 2 ) { rbuggyQSA.push( ":enabled", ":disabled" ); }
// Opera 10-11 does not throw on post-comma invalid pseudos
el.querySelectorAll("*,:x"); rbuggyQSA.push(",.*:"); }); }
if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || docElem.webkitMatchesSelector || docElem.mozMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector) )) ) {
assert(function( el ) { // Check to see if it's possible to do matchesSelector
// on a disconnected node (IE 9)
support.disconnectedMatch = matches.call( el, "*" );
// This should fail with an exception
// Gecko does not error, returns false instead
matches.call( el, "[s!='']:x" ); rbuggyMatches.push( "!=", pseudos ); }); }
rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
/* Contains ---------------------------------------------------------------------- */ hasCompare = rnative.test( docElem.compareDocumentPosition );
// Element contains another
// Purposefully self-exclusive
// As in, an element does not contain itself
contains = hasCompare || rnative.test( docElem.contains ) ? function( a, b ) { var adown = a.nodeType === 9 ? a.documentElement : a, bup = b && b.parentNode; return a === bup || !!( bup && bup.nodeType === 1 && ( adown.contains ? adown.contains( bup ) : a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 )); } : function( a, b ) { if ( b ) { while ( (b = b.parentNode) ) { if ( b === a ) { return true; } } } return false; };
/* Sorting ---------------------------------------------------------------------- */
// Document order sorting
sortOrder = hasCompare ? function( a, b ) {
// Flag for duplicate removal
if ( a === b ) { hasDuplicate = true; return 0; }
// Sort on method existence if only one input has compareDocumentPosition
var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; if ( compare ) { return compare; }
// Calculate position if both inputs belong to the same document
compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? a.compareDocumentPosition( b ) :
// Otherwise we know they are disconnected
1;
// Disconnected nodes
if ( compare & 1 || (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
// Choose the first element that is related to our preferred document
if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { return -1; } if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { return 1; }
// Maintain original order
return sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0; }
return compare & 4 ? -1 : 1; } : function( a, b ) { // Exit early if the nodes are identical
if ( a === b ) { hasDuplicate = true; return 0; }
var cur, i = 0, aup = a.parentNode, bup = b.parentNode, ap = [ a ], bp = [ b ];
// Parentless nodes are either documents or disconnected
if ( !aup || !bup ) { return a === document ? -1 : b === document ? 1 : aup ? -1 : bup ? 1 : sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0;
// If the nodes are siblings, we can do a quick check
} else if ( aup === bup ) { return siblingCheck( a, b ); }
// Otherwise we need full lists of their ancestors for comparison
cur = a; while ( (cur = cur.parentNode) ) { ap.unshift( cur ); } cur = b; while ( (cur = cur.parentNode) ) { bp.unshift( cur ); }
// Walk down the tree looking for a discrepancy
while ( ap[i] === bp[i] ) { i++; }
return i ? // Do a sibling check if the nodes have a common ancestor
siblingCheck( ap[i], bp[i] ) :
// Otherwise nodes in our document sort first
ap[i] === preferredDoc ? -1 : bp[i] === preferredDoc ? 1 : 0; };
return document; };
Sizzle.matches = function( expr, elements ) { return Sizzle( expr, null, null, elements ); };
Sizzle.matchesSelector = function( elem, expr ) { // Set document vars if needed
if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); }
// Make sure that attribute selectors are quoted
expr = expr.replace( rattributeQuotes, "='$1']" );
if ( support.matchesSelector && documentIsHTML && !compilerCache[ expr + " " ] && ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
try { var ret = matches.call( elem, expr );
// IE 9's matchesSelector returns false on disconnected nodes
if ( ret || support.disconnectedMatch || // As well, disconnected nodes are said to be in a document
// fragment in IE 9
elem.document && elem.document.nodeType !== 11 ) { return ret; } } catch (e) {} }
return Sizzle( expr, document, null, [ elem ] ).length > 0; };
Sizzle.contains = function( context, elem ) { // Set document vars if needed
if ( ( context.ownerDocument || context ) !== document ) { setDocument( context ); } return contains( context, elem ); };
Sizzle.attr = function( elem, name ) { // Set document vars if needed
if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); }
var fn = Expr.attrHandle[ name.toLowerCase() ], // Don't get fooled by Object.prototype properties (jQuery #13807)
val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? fn( elem, name, !documentIsHTML ) : undefined;
return val !== undefined ? val : support.attributes || !documentIsHTML ? elem.getAttribute( name ) : (val = elem.getAttributeNode(name)) && val.specified ? val.value : null; };
Sizzle.escape = function( sel ) { return (sel + "").replace( rcssescape, fcssescape ); };
Sizzle.error = function( msg ) { throw new Error( "Syntax error, unrecognized expression: " + msg ); };
/** * Document sorting and removing duplicates * @param {ArrayLike} results */ Sizzle.uniqueSort = function( results ) { var elem, duplicates = [], j = 0, i = 0;
// Unless we *know* we can detect duplicates, assume their presence
hasDuplicate = !support.detectDuplicates; sortInput = !support.sortStable && results.slice( 0 ); results.sort( sortOrder );
if ( hasDuplicate ) { while ( (elem = results[i++]) ) { if ( elem === results[ i ] ) { j = duplicates.push( i ); } } while ( j-- ) { results.splice( duplicates[ j ], 1 ); } }
// Clear input after sorting to release objects
// See https://github.com/jquery/sizzle/pull/225
sortInput = null;
return results; };
/** * Utility function for retrieving the text value of an array of DOM nodes * @param {Array|Element} elem */ getText = Sizzle.getText = function( elem ) { var node, ret = "", i = 0, nodeType = elem.nodeType;
if ( !nodeType ) { // If no nodeType, this is expected to be an array
while ( (node = elem[i++]) ) { // Do not traverse comment nodes
ret += getText( node ); } } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { // Use textContent for elements
// innerText usage removed for consistency of new lines (jQuery #11153)
if ( typeof elem.textContent === "string" ) { return elem.textContent; } else { // Traverse its children
for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { ret += getText( elem ); } } } else if ( nodeType === 3 || nodeType === 4 ) { return elem.nodeValue; } // Do not include comment or processing instruction nodes
return ret; };
Expr = Sizzle.selectors = {
// Can be adjusted by the user
cacheLength: 50,
createPseudo: markFunction,
match: matchExpr,
attrHandle: {},
find: {},
relative: { ">": { dir: "parentNode", first: true }, " ": { dir: "parentNode" }, "+": { dir: "previousSibling", first: true }, "~": { dir: "previousSibling" } },
preFilter: { "ATTR": function( match ) { match[1] = match[1].replace( runescape, funescape );
// Move the given value to match[3] whether quoted or unquoted
match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
if ( match[2] === "~=" ) { match[3] = " " + match[3] + " "; }
return match.slice( 0, 4 ); },
"CHILD": function( match ) { /* matches from matchExpr["CHILD"] 1 type (only|nth|...) 2 what (child|of-type) 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) 4 xn-component of xn+y argument ([+-]?\d*n|) 5 sign of xn-component 6 x of xn-component 7 sign of y-component 8 y of y-component */ match[1] = match[1].toLowerCase();
if ( match[1].slice( 0, 3 ) === "nth" ) { // nth-* requires argument
if ( !match[3] ) { Sizzle.error( match[0] ); }
// numeric x and y parameters for Expr.filter.CHILD
// remember that false/true cast respectively to 0/1
match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
// other types prohibit arguments
} else if ( match[3] ) { Sizzle.error( match[0] ); }
return match; },
"PSEUDO": function( match ) { var excess, unquoted = !match[6] && match[2];
if ( matchExpr["CHILD"].test( match[0] ) ) { return null; }
// Accept quoted arguments as-is
if ( match[3] ) { match[2] = match[4] || match[5] || "";
// Strip excess characters from unquoted arguments
} else if ( unquoted && rpseudo.test( unquoted ) && // Get excess from tokenize (recursively)
(excess = tokenize( unquoted, true )) && // advance to the next closing parenthesis
(excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
// excess is a negative index
match[0] = match[0].slice( 0, excess ); match[2] = unquoted.slice( 0, excess ); }
// Return only captures needed by the pseudo filter method (type and argument)
return match.slice( 0, 3 ); } },
filter: {
"TAG": function( nodeNameSelector ) { var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); return nodeNameSelector === "*" ? function() { return true; } : function( elem ) { return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; }; },
"CLASS": function( className ) { var pattern = classCache[ className + " " ];
return pattern || (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && classCache( className, function( elem ) { return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); }); },
"ATTR": function( name, operator, check ) { return function( elem ) { var result = Sizzle.attr( elem, name );
if ( result == null ) { return operator === "!="; } if ( !operator ) { return true; }
result += "";
return operator === "=" ? result === check : operator === "!=" ? result !== check : operator === "^=" ? check && result.indexOf( check ) === 0 : operator === "*=" ? check && result.indexOf( check ) > -1 : operator === "$=" ? check && result.slice( -check.length ) === check : operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : false; }; },
"CHILD": function( type, what, argument, first, last ) { var simple = type.slice( 0, 3 ) !== "nth", forward = type.slice( -4 ) !== "last", ofType = what === "of-type";
return first === 1 && last === 0 ?
// Shortcut for :nth-*(n)
function( elem ) { return !!elem.parentNode; } :
function( elem, context, xml ) { var cache, uniqueCache, outerCache, node, nodeIndex, start, dir = simple !== forward ? "nextSibling" : "previousSibling", parent = elem.parentNode, name = ofType && elem.nodeName.toLowerCase(), useCache = !xml && !ofType, diff = false;
if ( parent ) {
// :(first|last|only)-(child|of-type)
if ( simple ) { while ( dir ) { node = elem; while ( (node = node[ dir ]) ) { if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
return false; } } // Reverse direction for :only-* (if we haven't yet done so)
start = dir = type === "only" && !start && "nextSibling"; } return true; }
start = [ forward ? parent.firstChild : parent.lastChild ];
// non-xml :nth-child(...) stores cache data on `parent`
if ( forward && useCache ) {
// Seek `elem` from a previously-cached index
// ...in a gzip-friendly way
node = parent; outerCache = node[ expando ] || (node[ expando ] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[ node.uniqueID ] || (outerCache[ node.uniqueID ] = {});
cache = uniqueCache[ type ] || []; nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeIndex && cache[ 2 ]; node = nodeIndex && parent.childNodes[ nodeIndex ];
while ( (node = ++nodeIndex && node && node[ dir ] ||
// Fallback to seeking `elem` from the start
(diff = nodeIndex = 0) || start.pop()) ) {
// When found, cache indexes on `parent` and break
if ( node.nodeType === 1 && ++diff && node === elem ) { uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; break; } }
} else { // Use previously-cached element index if available
if ( useCache ) { // ...in a gzip-friendly way
node = elem; outerCache = node[ expando ] || (node[ expando ] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[ node.uniqueID ] || (outerCache[ node.uniqueID ] = {});
cache = uniqueCache[ type ] || []; nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeIndex; }
// xml :nth-child(...)
// or :nth-last-child(...) or :nth(-last)?-of-type(...)
if ( diff === false ) { // Use the same loop as above to seek `elem` from the start
while ( (node = ++nodeIndex && node && node[ dir ] || (diff = nodeIndex = 0) || start.pop()) ) {
if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
// Cache the index of each encountered element
if ( useCache ) { outerCache = node[ expando ] || (node[ expando ] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[ node.uniqueID ] || (outerCache[ node.uniqueID ] = {});
uniqueCache[ type ] = [ dirruns, diff ]; }
if ( node === elem ) { break; } } } } }
// Incorporate the offset, then check against cycle size
diff -= last; return diff === first || ( diff % first === 0 && diff / first >= 0 ); } }; },
"PSEUDO": function( pseudo, argument ) { // pseudo-class names are case-insensitive
// http://www.w3.org/TR/selectors/#pseudo-classes
// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
// Remember that setFilters inherits from pseudos
var args, fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || Sizzle.error( "unsupported pseudo: " + pseudo );
// The user may use createPseudo to indicate that
// arguments are needed to create the filter function
// just as Sizzle does
if ( fn[ expando ] ) { return fn( argument ); }
// But maintain support for old signatures
if ( fn.length > 1 ) { args = [ pseudo, pseudo, "", argument ]; return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? markFunction(function( seed, matches ) { var idx, matched = fn( seed, argument ), i = matched.length; while ( i-- ) { idx = indexOf( seed, matched[i] ); seed[ idx ] = !( matches[ idx ] = matched[i] ); } }) : function( elem ) { return fn( elem, 0, args ); }; }
return fn; } },
pseudos: { // Potentially complex pseudos
"not": markFunction(function( selector ) { // Trim the selector passed to compile
// to avoid treating leading and trailing
// spaces as combinators
var input = [], results = [], matcher = compile( selector.replace( rtrim, "$1" ) );
return matcher[ expando ] ? markFunction(function( seed, matches, context, xml ) { var elem, unmatched = matcher( seed, null, xml, [] ), i = seed.length;
// Match elements unmatched by `matcher`
while ( i-- ) { if ( (elem = unmatched[i]) ) { seed[i] = !(matches[i] = elem); } } }) : function( elem, context, xml ) { input[0] = elem; matcher( input, null, xml, results ); // Don't keep the element (issue #299)
input[0] = null; return !results.pop(); }; }),
"has": markFunction(function( selector ) { return function( elem ) { return Sizzle( selector, elem ).length > 0; }; }),
"contains": markFunction(function( text ) { text = text.replace( runescape, funescape ); return function( elem ) { return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; }; }),
// "Whether an element is represented by a :lang() selector
// is based solely on the element's language value
// being equal to the identifier C,
// or beginning with the identifier C immediately followed by "-".
// The matching of C against the element's language value is performed case-insensitively.
// The identifier C does not have to be a valid language name."
// http://www.w3.org/TR/selectors/#lang-pseudo
"lang": markFunction( function( lang ) { // lang value must be a valid identifier
if ( !ridentifier.test(lang || "") ) { Sizzle.error( "unsupported lang: " + lang ); } lang = lang.replace( runescape, funescape ).toLowerCase(); return function( elem ) { var elemLang; do { if ( (elemLang = documentIsHTML ? elem.lang : elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
elemLang = elemLang.toLowerCase(); return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; } } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); return false; }; }),
// Miscellaneous
"target": function( elem ) { var hash = window.location && window.location.hash; return hash && hash.slice( 1 ) === elem.id; },
"root": function( elem ) { return elem === docElem; },
"focus": function( elem ) { return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); },
// Boolean properties
"enabled": createDisabledPseudo( false ), "disabled": createDisabledPseudo( true ),
"checked": function( elem ) { // In CSS3, :checked should return both checked and selected elements
// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
var nodeName = elem.nodeName.toLowerCase(); return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); },
"selected": function( elem ) { // Accessing this property makes selected-by-default
// options in Safari work properly
if ( elem.parentNode ) { elem.parentNode.selectedIndex; }
return elem.selected === true; },
// Contents
"empty": function( elem ) { // http://www.w3.org/TR/selectors/#empty-pseudo
// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
// but not by others (comment: 8; processing instruction: 7; etc.)
// nodeType < 6 works because attributes (2) do not appear as children
for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { if ( elem.nodeType < 6 ) { return false; } } return true; },
"parent": function( elem ) { return !Expr.pseudos["empty"]( elem ); },
// Element/input types
"header": function( elem ) { return rheader.test( elem.nodeName ); },
"input": function( elem ) { return rinputs.test( elem.nodeName ); },
"button": function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === "button" || name === "button"; },
"text": function( elem ) { var attr; return elem.nodeName.toLowerCase() === "input" && elem.type === "text" &&
// Support: IE<8
// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); },
// Position-in-collection
"first": createPositionalPseudo(function() { return [ 0 ]; }),
"last": createPositionalPseudo(function( matchIndexes, length ) { return [ length - 1 ]; }),
"eq": createPositionalPseudo(function( matchIndexes, length, argument ) { return [ argument < 0 ? argument + length : argument ]; }),
"even": createPositionalPseudo(function( matchIndexes, length ) { var i = 0; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),
"odd": createPositionalPseudo(function( matchIndexes, length ) { var i = 1; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),
"lt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; --i >= 0; ) { matchIndexes.push( i ); } return matchIndexes; }),
"gt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; ++i < length; ) { matchIndexes.push( i ); } return matchIndexes; }) } };
Expr.pseudos["nth"] = Expr.pseudos["eq"];
// Add button/input type pseudos
for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { Expr.pseudos[ i ] = createInputPseudo( i ); } for ( i in { submit: true, reset: true } ) { Expr.pseudos[ i ] = createButtonPseudo( i ); }
// Easy API for creating new setFilters
function setFilters() {} setFilters.prototype = Expr.filters = Expr.pseudos; Expr.setFilters = new setFilters();
tokenize = Sizzle.tokenize = function( selector, parseOnly ) { var matched, match, tokens, type, soFar, groups, preFilters, cached = tokenCache[ selector + " " ];
if ( cached ) { return parseOnly ? 0 : cached.slice( 0 ); }
soFar = selector; groups = []; preFilters = Expr.preFilter;
while ( soFar ) {
// Comma and first run
if ( !matched || (match = rcomma.exec( soFar )) ) { if ( match ) { // Don't consume trailing commas as valid
soFar = soFar.slice( match[0].length ) || soFar; } groups.push( (tokens = []) ); }
matched = false;
// Combinators
if ( (match = rcombinators.exec( soFar )) ) { matched = match.shift(); tokens.push({ value: matched, // Cast descendant combinators to space
type: match[0].replace( rtrim, " " ) }); soFar = soFar.slice( matched.length ); }
// Filters
for ( type in Expr.filter ) { if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || (match = preFilters[ type ]( match ))) ) { matched = match.shift(); tokens.push({ value: matched, type: type, matches: match }); soFar = soFar.slice( matched.length ); } }
if ( !matched ) { break; } }
// Return the length of the invalid excess
// if we're just parsing
// Otherwise, throw an error or return tokens
return parseOnly ? soFar.length : soFar ? Sizzle.error( selector ) : // Cache the tokens
tokenCache( selector, groups ).slice( 0 ); };
function toSelector( tokens ) { var i = 0, len = tokens.length, selector = ""; for ( ; i < len; i++ ) { selector += tokens[i].value; } return selector; }
function addCombinator( matcher, combinator, base ) { var dir = combinator.dir, skip = combinator.next, key = skip || dir, checkNonElements = base && key === "parentNode", doneName = done++;
return combinator.first ? // Check against closest ancestor/preceding element
function( elem, context, xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { return matcher( elem, context, xml ); } } return false; } :
// Check against all ancestor/preceding elements
function( elem, context, xml ) { var oldCache, uniqueCache, outerCache, newCache = [ dirruns, doneName ];
// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
if ( xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { if ( matcher( elem, context, xml ) ) { return true; } } } } else { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { outerCache = elem[ expando ] || (elem[ expando ] = {});
// Support: IE <9 only
// Defend against cloned attroperties (jQuery gh-1709)
uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
if ( skip && skip === elem.nodeName.toLowerCase() ) { elem = elem[ dir ] || elem; } else if ( (oldCache = uniqueCache[ key ]) && oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
// Assign to newCache so results back-propagate to previous elements
return (newCache[ 2 ] = oldCache[ 2 ]); } else { // Reuse newcache so results back-propagate to previous elements
uniqueCache[ key ] = newCache;
// A match means we're done; a fail means we have to keep checking
if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { return true; } } } } } return false; }; }
function elementMatcher( matchers ) { return matchers.length > 1 ? function( elem, context, xml ) { var i = matchers.length; while ( i-- ) { if ( !matchers[i]( elem, context, xml ) ) { return false; } } return true; } : matchers[0]; }
function multipleContexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { Sizzle( selector, contexts[i], results ); } return results; }
function condense( unmatched, map, filter, context, xml ) { var elem, newUnmatched = [], i = 0, len = unmatched.length, mapped = map != null;
for ( ; i < len; i++ ) { if ( (elem = unmatched[i]) ) { if ( !filter || filter( elem, context, xml ) ) { newUnmatched.push( elem ); if ( mapped ) { map.push( i ); } } } }
return newUnmatched; }
function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { if ( postFilter && !postFilter[ expando ] ) { postFilter = setMatcher( postFilter ); } if ( postFinder && !postFinder[ expando ] ) { postFinder = setMatcher( postFinder, postSelector ); } return markFunction(function( seed, results, context, xml ) { var temp, i, elem, preMap = [], postMap = [], preexisting = results.length,
// Get initial elements from seed or context
elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
// Prefilter to get matcher input, preserving a map for seed-results synchronization
matcherIn = preFilter && ( seed || !selector ) ? condense( elems, preMap, preFilter, context, xml ) : elems,
matcherOut = matcher ? // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
// ...intermediate processing is necessary
[] :
// ...otherwise use results directly
results : matcherIn;
// Find primary matches
if ( matcher ) { matcher( matcherIn, matcherOut, context, xml ); }
// Apply postFilter
if ( postFilter ) { temp = condense( matcherOut, postMap ); postFilter( temp, [], context, xml );
// Un-match failing elements by moving them back to matcherIn
i = temp.length; while ( i-- ) { if ( (elem = temp[i]) ) { matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); } } }
if ( seed ) { if ( postFinder || preFilter ) { if ( postFinder ) { // Get the final matcherOut by condensing this intermediate into postFinder contexts
temp = []; i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) ) { // Restore matcherIn since elem is not yet a final match
temp.push( (matcherIn[i] = elem) ); } } postFinder( null, (matcherOut = []), temp, xml ); }
// Move matched elements from seed to results to keep them synchronized
i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) && (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
seed[temp] = !(results[temp] = elem); } } }
// Add elements to results, through postFinder if defined
} else { matcherOut = condense( matcherOut === results ? matcherOut.splice( preexisting, matcherOut.length ) : matcherOut ); if ( postFinder ) { postFinder( null, results, matcherOut, xml ); } else { push.apply( results, matcherOut ); } } }); }
function matcherFromTokens( tokens ) { var checkContext, matcher, j, len = tokens.length, leadingRelative = Expr.relative[ tokens[0].type ], implicitRelative = leadingRelative || Expr.relative[" "], i = leadingRelative ? 1 : 0,
// The foundational matcher ensures that elements are reachable from top-level context(s)
matchContext = addCombinator( function( elem ) { return elem === checkContext; }, implicitRelative, true ), matchAnyContext = addCombinator( function( elem ) { return indexOf( checkContext, elem ) > -1; }, implicitRelative, true ), matchers = [ function( elem, context, xml ) { var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( (checkContext = context).nodeType ? matchContext( elem, context, xml ) : matchAnyContext( elem, context, xml ) ); // Avoid hanging onto element (issue #299)
checkContext = null; return ret; } ];
for ( ; i < len; i++ ) { if ( (matcher = Expr.relative[ tokens[i].type ]) ) { matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; } else { matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
// Return special upon seeing a positional matcher
if ( matcher[ expando ] ) { // Find the next relative operator (if any) for proper handling
j = ++i; for ( ; j < len; j++ ) { if ( Expr.relative[ tokens[j].type ] ) { break; } } return setMatcher( i > 1 && elementMatcher( matchers ), i > 1 && toSelector( // If the preceding token was a descendant combinator, insert an implicit any-element `*`
tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) ).replace( rtrim, "$1" ), matcher, i < j && matcherFromTokens( tokens.slice( i, j ) ), j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), j < len && toSelector( tokens ) ); } matchers.push( matcher ); } }
return elementMatcher( matchers ); }
function matcherFromGroupMatchers( elementMatchers, setMatchers ) { var bySet = setMatchers.length > 0, byElement = elementMatchers.length > 0, superMatcher = function( seed, context, xml, results, outermost ) { var elem, j, matcher, matchedCount = 0, i = "0", unmatched = seed && [], setMatched = [], contextBackup = outermostContext, // We must always have either seed elements or outermost context
elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), // Use integer dirruns iff this is the outermost matcher
dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), len = elems.length;
if ( outermost ) { outermostContext = context === document || context || outermost; }
// Add elements passing elementMatchers directly to results
// Support: IE<9, Safari
// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
for ( ; i !== len && (elem = elems[i]) != null; i++ ) { if ( byElement && elem ) { j = 0; if ( !context && elem.ownerDocument !== document ) { setDocument( elem ); xml = !documentIsHTML; } while ( (matcher = elementMatchers[j++]) ) { if ( matcher( elem, context || document, xml) ) { results.push( elem ); break; } } if ( outermost ) { dirruns = dirrunsUnique; } }
// Track unmatched elements for set filters
if ( bySet ) { // They will have gone through all possible matchers
if ( (elem = !matcher && elem) ) { matchedCount--; }
// Lengthen the array for every element, matched or not
if ( seed ) { unmatched.push( elem ); } } }
// `i` is now the count of elements visited above, and adding it to `matchedCount`
// makes the latter nonnegative.
matchedCount += i;
// Apply set filters to unmatched elements
// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
// equals `i`), unless we didn't visit _any_ elements in the above loop because we have
// no element matchers and no seed.
// Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
// case, which will result in a "00" `matchedCount` that differs from `i` but is also
// numerically zero.
if ( bySet && i !== matchedCount ) { j = 0; while ( (matcher = setMatchers[j++]) ) { matcher( unmatched, setMatched, context, xml ); }
if ( seed ) { // Reintegrate element matches to eliminate the need for sorting
if ( matchedCount > 0 ) { while ( i-- ) { if ( !(unmatched[i] || setMatched[i]) ) { setMatched[i] = pop.call( results ); } } }
// Discard index placeholder values to get only actual matches
setMatched = condense( setMatched ); }
// Add matches to results
push.apply( results, setMatched );
// Seedless set matches succeeding multiple successful matchers stipulate sorting
if ( outermost && !seed && setMatched.length > 0 && ( matchedCount + setMatchers.length ) > 1 ) {
Sizzle.uniqueSort( results ); } }
// Override manipulation of globals by nested matchers
if ( outermost ) { dirruns = dirrunsUnique; outermostContext = contextBackup; }
return unmatched; };
return bySet ? markFunction( superMatcher ) : superMatcher; }
compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { var i, setMatchers = [], elementMatchers = [], cached = compilerCache[ selector + " " ];
if ( !cached ) { // Generate a function of recursive functions that can be used to check each element
if ( !match ) { match = tokenize( selector ); } i = match.length; while ( i-- ) { cached = matcherFromTokens( match[i] ); if ( cached[ expando ] ) { setMatchers.push( cached ); } else { elementMatchers.push( cached ); } }
// Cache the compiled function
cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
// Save selector and tokenization
cached.selector = selector; } return cached; };
/** * A low-level selection function that works with Sizzle's compiled * selector functions * @param {String|Function} selector A selector or a pre-compiled * selector function built with Sizzle.compile * @param {Element} context * @param {Array} [results] * @param {Array} [seed] A set of elements to match against */ select = Sizzle.select = function( selector, context, results, seed ) { var i, tokens, token, type, find, compiled = typeof selector === "function" && selector, match = !seed && tokenize( (selector = compiled.selector || selector) );
results = results || [];
// Try to minimize operations if there is only one selector in the list and no seed
// (the latter of which guarantees us context)
if ( match.length === 1 ) {
// Reduce context if the leading compound selector is an ID
tokens = match[0] = match[0].slice( 0 ); if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; if ( !context ) { return results;
// Precompiled matchers will still verify ancestry, so step up a level
} else if ( compiled ) { context = context.parentNode; }
selector = selector.slice( tokens.shift().value.length ); }
// Fetch a seed set for right-to-left matching
i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; while ( i-- ) { token = tokens[i];
// Abort if we hit a combinator
if ( Expr.relative[ (type = token.type) ] ) { break; } if ( (find = Expr.find[ type ]) ) { // Search, expanding context for leading sibling combinators
if ( (seed = find( token.matches[0].replace( runescape, funescape ), rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context )) ) {
// If seed is empty or no tokens remain, we can return early
tokens.splice( i, 1 ); selector = seed.length && toSelector( tokens ); if ( !selector ) { push.apply( results, seed ); return results; }
break; } } } }
// Compile and execute a filtering function if one is not provided
// Provide `match` to avoid retokenization if we modified the selector above
( compiled || compile( selector, match ) )( seed, context, !documentIsHTML, results, !context || rsibling.test( selector ) && testContext( context.parentNode ) || context ); return results; };
// One-time assignments
// Sort stability
support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
// Support: Chrome 14-35+
// Always assume duplicates if they aren't passed to the comparison function
support.detectDuplicates = !!hasDuplicate;
// Initialize against the default document
setDocument();
// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
// Detached nodes confoundingly follow *each other*
support.sortDetached = assert(function( el ) { // Should return 1, but returns 4 (following)
return el.compareDocumentPosition( document.createElement("fieldset") ) & 1; });
// Support: IE<8
// Prevent attribute/property "interpolation"
// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
if ( !assert(function( el ) { el.innerHTML = "<a href='#'></a>"; return el.firstChild.getAttribute("href") === "#" ; }) ) { addHandle( "type|href|height|width", function( elem, name, isXML ) { if ( !isXML ) { return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); } }); }
// Support: IE<9
// Use defaultValue in place of getAttribute("value")
if ( !support.attributes || !assert(function( el ) { el.innerHTML = "<input/>"; el.firstChild.setAttribute( "value", "" ); return el.firstChild.getAttribute( "value" ) === ""; }) ) { addHandle( "value", function( elem, name, isXML ) { if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { return elem.defaultValue; } }); }
// Support: IE<9
// Use getAttributeNode to fetch booleans when getAttribute lies
if ( !assert(function( el ) { return el.getAttribute("disabled") == null; }) ) { addHandle( booleans, function( elem, name, isXML ) { var val; if ( !isXML ) { return elem[ name ] === true ? name.toLowerCase() : (val = elem.getAttributeNode( name )) && val.specified ? val.value : null; } }); }
return Sizzle;
})( window );
jQuery.find = Sizzle; jQuery.expr = Sizzle.selectors;
// Deprecated
jQuery.expr[ ":" ] = jQuery.expr.pseudos; jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort; jQuery.text = Sizzle.getText; jQuery.isXMLDoc = Sizzle.isXML; jQuery.contains = Sizzle.contains; jQuery.escapeSelector = Sizzle.escape;
var dir = function( elem, dir, until ) { var matched = [], truncate = until !== undefined;
while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { if ( elem.nodeType === 1 ) { if ( truncate && jQuery( elem ).is( until ) ) { break; } matched.push( elem ); } } return matched; };
var siblings = function( n, elem ) { var matched = [];
for ( ; n; n = n.nextSibling ) { if ( n.nodeType === 1 && n !== elem ) { matched.push( n ); } }
return matched; };
var rneedsContext = jQuery.expr.match.needsContext;
function nodeName( elem, name ) {
return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
}; var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
// Implement the identical functionality for filter and not
function winnow( elements, qualifier, not ) { if ( isFunction( qualifier ) ) { return jQuery.grep( elements, function( elem, i ) { return !!qualifier.call( elem, i, elem ) !== not; } ); }
// Single element
if ( qualifier.nodeType ) { return jQuery.grep( elements, function( elem ) { return ( elem === qualifier ) !== not; } ); }
// Arraylike of elements (jQuery, arguments, Array)
if ( typeof qualifier !== "string" ) { return jQuery.grep( elements, function( elem ) { return ( indexOf.call( qualifier, elem ) > -1 ) !== not; } ); }
// Filtered directly for both simple and complex selectors
return jQuery.filter( qualifier, elements, not ); }
jQuery.filter = function( expr, elems, not ) { var elem = elems[ 0 ];
if ( not ) { expr = ":not(" + expr + ")"; }
if ( elems.length === 1 && elem.nodeType === 1 ) { return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; }
return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { return elem.nodeType === 1; } ) ); };
jQuery.fn.extend( { find: function( selector ) { var i, ret, len = this.length, self = this;
if ( typeof selector !== "string" ) { return this.pushStack( jQuery( selector ).filter( function() { for ( i = 0; i < len; i++ ) { if ( jQuery.contains( self[ i ], this ) ) { return true; } } } ) ); }
ret = this.pushStack( [] );
for ( i = 0; i < len; i++ ) { jQuery.find( selector, self[ i ], ret ); }
return len > 1 ? jQuery.uniqueSort( ret ) : ret; }, filter: function( selector ) { return this.pushStack( winnow( this, selector || [], false ) ); }, not: function( selector ) { return this.pushStack( winnow( this, selector || [], true ) ); }, is: function( selector ) { return !!winnow( this,
// If this is a positional/relative selector, check membership in the returned set
// so $("p:first").is("p:last") won't return true for a doc with two "p".
typeof selector === "string" && rneedsContext.test( selector ) ? jQuery( selector ) : selector || [], false ).length; } } );
// Initialize a jQuery object
// A central reference to the root jQuery(document)
var rootjQuery,
// A simple way to check for HTML strings
// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
// Strict HTML recognition (#11290: must start with <)
// Shortcut simple #id case for speed
rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
init = jQuery.fn.init = function( selector, context, root ) { var match, elem;
// HANDLE: $(""), $(null), $(undefined), $(false)
if ( !selector ) { return this; }
// Method init() accepts an alternate rootjQuery
// so migrate can support jQuery.sub (gh-2101)
root = root || rootjQuery;
// Handle HTML strings
if ( typeof selector === "string" ) { if ( selector[ 0 ] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) {
// Assume that strings that start and end with <> are HTML and skip the regex check
match = [ null, selector, null ];
} else { match = rquickExpr.exec( selector ); }
// Match html or make sure no context is specified for #id
if ( match && ( match[ 1 ] || !context ) ) {
// HANDLE: $(html) -> $(array)
if ( match[ 1 ] ) { context = context instanceof jQuery ? context[ 0 ] : context;
// Option to run scripts is true for back-compat
// Intentionally let the error be thrown if parseHTML is not present
jQuery.merge( this, jQuery.parseHTML( match[ 1 ], context && context.nodeType ? context.ownerDocument || context : document, true ) );
// HANDLE: $(html, props)
if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { for ( match in context ) {
// Properties of context are called as methods if possible
if ( isFunction( this[ match ] ) ) { this[ match ]( context[ match ] );
// ...and otherwise set as attributes
} else { this.attr( match, context[ match ] ); } } }
return this;
// HANDLE: $(#id)
} else { elem = document.getElementById( match[ 2 ] );
if ( elem ) {
// Inject the element directly into the jQuery object
this[ 0 ] = elem; this.length = 1; } return this; }
// HANDLE: $(expr, $(...))
} else if ( !context || context.jquery ) { return ( context || root ).find( selector );
// HANDLE: $(expr, context)
// (which is just equivalent to: $(context).find(expr)
} else { return this.constructor( context ).find( selector ); }
// HANDLE: $(DOMElement)
} else if ( selector.nodeType ) { this[ 0 ] = selector; this.length = 1; return this;
// HANDLE: $(function)
// Shortcut for document ready
} else if ( isFunction( selector ) ) { return root.ready !== undefined ? root.ready( selector ) :
// Execute immediately if ready is not present
selector( jQuery ); }
return jQuery.makeArray( selector, this ); };
// Give the init function the jQuery prototype for later instantiation
init.prototype = jQuery.fn;
// Initialize central reference
rootjQuery = jQuery( document );
var rparentsprev = /^(?:parents|prev(?:Until|All))/,
// Methods guaranteed to produce a unique set when starting from a unique set
guaranteedUnique = { children: true, contents: true, next: true, prev: true };
jQuery.fn.extend( { has: function( target ) { var targets = jQuery( target, this ), l = targets.length;
return this.filter( function() { var i = 0; for ( ; i < l; i++ ) { if ( jQuery.contains( this, targets[ i ] ) ) { return true; } } } ); },
closest: function( selectors, context ) { var cur, i = 0, l = this.length, matched = [], targets = typeof selectors !== "string" && jQuery( selectors );
// Positional selectors never match, since there's no _selection_ context
if ( !rneedsContext.test( selectors ) ) { for ( ; i < l; i++ ) { for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
// Always skip document fragments
if ( cur.nodeType < 11 && ( targets ? targets.index( cur ) > -1 :
// Don't pass non-elements to Sizzle
cur.nodeType === 1 && jQuery.find.matchesSelector( cur, selectors ) ) ) {
matched.push( cur ); break; } } } }
return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); },
// Determine the position of an element within the set
index: function( elem ) {
// No argument, return index in parent
if ( !elem ) { return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; }
// Index in selector
if ( typeof elem === "string" ) { return indexOf.call( jQuery( elem ), this[ 0 ] ); }
// Locate the position of the desired element
return indexOf.call( this,
// If it receives a jQuery object, the first element is used
elem.jquery ? elem[ 0 ] : elem ); },
add: function( selector, context ) { return this.pushStack( jQuery.uniqueSort( jQuery.merge( this.get(), jQuery( selector, context ) ) ) ); },
addBack: function( selector ) { return this.add( selector == null ? this.prevObject : this.prevObject.filter( selector ) ); } } );
function sibling( cur, dir ) { while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} return cur; }
jQuery.each( { parent: function( elem ) { var parent = elem.parentNode; return parent && parent.nodeType !== 11 ? parent : null; }, parents: function( elem ) { return dir( elem, "parentNode" ); }, parentsUntil: function( elem, i, until ) { return dir( elem, "parentNode", until ); }, next: function( elem ) { return sibling( elem, "nextSibling" ); }, prev: function( elem ) { return sibling( elem, "previousSibling" ); }, nextAll: function( elem ) { return dir( elem, "nextSibling" ); }, prevAll: function( elem ) { return dir( elem, "previousSibling" ); }, nextUntil: function( elem, i, until ) { return dir( elem, "nextSibling", until ); }, prevUntil: function( elem, i, until ) { return dir( elem, "previousSibling", until ); }, siblings: function( elem ) { return siblings( ( elem.parentNode || {} ).firstChild, elem ); }, children: function( elem ) { return siblings( elem.firstChild ); }, contents: function( elem ) { if ( nodeName( elem, "iframe" ) ) { return elem.contentDocument; }
// Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
// Treat the template element as a regular one in browsers that
// don't support it.
if ( nodeName( elem, "template" ) ) { elem = elem.content || elem; }
return jQuery.merge( [], elem.childNodes ); } }, function( name, fn ) { jQuery.fn[ name ] = function( until, selector ) { var matched = jQuery.map( this, fn, until );
if ( name.slice( -5 ) !== "Until" ) { selector = until; }
if ( selector && typeof selector === "string" ) { matched = jQuery.filter( selector, matched ); }
if ( this.length > 1 ) {
// Remove duplicates
if ( !guaranteedUnique[ name ] ) { jQuery.uniqueSort( matched ); }
// Reverse order for parents* and prev-derivatives
if ( rparentsprev.test( name ) ) { matched.reverse(); } }
return this.pushStack( matched ); }; } ); var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
// Convert String-formatted options into Object-formatted ones
function createOptions( options ) { var object = {}; jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) { object[ flag ] = true; } ); return object; }
/* * Create a callback list using the following parameters: * * options: an optional list of space-separated options that will change how * the callback list behaves or a more traditional option object * * By default a callback list will act like an event callback list and can be * "fired" multiple times. * * Possible options: * * once: will ensure the callback list can only be fired once (like a Deferred) * * memory: will keep track of previous values and will call any callback added * after the list has been fired right away with the latest "memorized" * values (like a Deferred) * * unique: will ensure a callback can only be added once (no duplicate in the list) * * stopOnFalse: interrupt callings when a callback returns false * */ jQuery.Callbacks = function( options ) {
// Convert options from String-formatted to Object-formatted if needed
// (we check in cache first)
options = typeof options === "string" ? createOptions( options ) : jQuery.extend( {}, options );
var // Flag to know if list is currently firing
firing,
// Last fire value for non-forgettable lists
memory,
// Flag to know if list was already fired
fired,
// Flag to prevent firing
locked,
// Actual callback list
list = [],
// Queue of execution data for repeatable lists
queue = [],
// Index of currently firing callback (modified by add/remove as needed)
firingIndex = -1,
// Fire callbacks
fire = function() {
// Enforce single-firing
locked = locked || options.once;
// Execute callbacks for all pending executions,
// respecting firingIndex overrides and runtime changes
fired = firing = true; for ( ; queue.length; firingIndex = -1 ) { memory = queue.shift(); while ( ++firingIndex < list.length ) {
// Run callback and check for early termination
if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && options.stopOnFalse ) {
// Jump to end and forget the data so .add doesn't re-fire
firingIndex = list.length; memory = false; } } }
// Forget the data if we're done with it
if ( !options.memory ) { memory = false; }
firing = false;
// Clean up if we're done firing for good
if ( locked ) {
// Keep an empty list if we have data for future add calls
if ( memory ) { list = [];
// Otherwise, this object is spent
} else { list = ""; } } },
// Actual Callbacks object
self = {
// Add a callback or a collection of callbacks to the list
add: function() { if ( list ) {
// If we have memory from a past run, we should fire after adding
if ( memory && !firing ) { firingIndex = list.length - 1; queue.push( memory ); }
( function add( args ) { jQuery.each( args, function( _, arg ) { if ( isFunction( arg ) ) { if ( !options.unique || !self.has( arg ) ) { list.push( arg ); } } else if ( arg && arg.length && toType( arg ) !== "string" ) {
// Inspect recursively
add( arg ); } } ); } )( arguments );
if ( memory && !firing ) { fire(); } } return this; },
// Remove a callback from the list
remove: function() { jQuery.each( arguments, function( _, arg ) { var index; while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { list.splice( index, 1 );
// Handle firing indexes
if ( index <= firingIndex ) { firingIndex--; } } } ); return this; },
// Check if a given callback is in the list.
// If no argument is given, return whether or not list has callbacks attached.
has: function( fn ) { return fn ? jQuery.inArray( fn, list ) > -1 : list.length > 0; },
// Remove all callbacks from the list
empty: function() { if ( list ) { list = []; } return this; },
// Disable .fire and .add
// Abort any current/pending executions
// Clear all callbacks and values
disable: function() { locked = queue = []; list = memory = ""; return this; }, disabled: function() { return !list; },
// Disable .fire
// Also disable .add unless we have memory (since it would have no effect)
// Abort any pending executions
lock: function() { locked = queue = []; if ( !memory && !firing ) { list = memory = ""; } return this; }, locked: function() { return !!locked; },
// Call all callbacks with the given context and arguments
fireWith: function( context, args ) { if ( !locked ) { args = args || []; args = [ context, args.slice ? args.slice() : args ]; queue.push( args ); if ( !firing ) { fire(); } } return this; },
// Call all the callbacks with the given arguments
fire: function() { self.fireWith( this, arguments ); return this; },
// To know if the callbacks have already been called at least once
fired: function() { return !!fired; } };
return self; };
function Identity( v ) { return v; } function Thrower( ex ) { throw ex; }
function adoptValue( value, resolve, reject, noValue ) { var method;
try {
// Check for promise aspect first to privilege synchronous behavior
if ( value && isFunction( ( method = value.promise ) ) ) { method.call( value ).done( resolve ).fail( reject );
// Other thenables
} else if ( value && isFunction( ( method = value.then ) ) ) { method.call( value, resolve, reject );
// Other non-thenables
} else {
// Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
// * false: [ value ].slice( 0 ) => resolve( value )
// * true: [ value ].slice( 1 ) => resolve()
resolve.apply( undefined, [ value ].slice( noValue ) ); }
// For Promises/A+, convert exceptions into rejections
// Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
// Deferred#then to conditionally suppress rejection.
} catch ( value ) {
// Support: Android 4.0 only
// Strict mode functions invoked without .call/.apply get global-object context
reject.apply( undefined, [ value ] ); } }
jQuery.extend( {
Deferred: function( func ) { var tuples = [
// action, add listener, callbacks,
// ... .then handlers, argument index, [final state]
[ "notify", "progress", jQuery.Callbacks( "memory" ), jQuery.Callbacks( "memory" ), 2 ], [ "resolve", "done", jQuery.Callbacks( "once memory" ), jQuery.Callbacks( "once memory" ), 0, "resolved" ], [ "reject", "fail", jQuery.Callbacks( "once memory" ), jQuery.Callbacks( "once memory" ), 1, "rejected" ] ], state = "pending", promise = { state: function() { return state; }, always: function() { deferred.done( arguments ).fail( arguments ); return this; }, "catch": function( fn ) { return promise.then( null, fn ); },
// Keep pipe for back-compat
pipe: function( /* fnDone, fnFail, fnProgress */ ) { var fns = arguments;
return jQuery.Deferred( function( newDefer ) { jQuery.each( tuples, function( i, tuple ) {
// Map tuples (progress, done, fail) to arguments (done, fail, progress)
var fn = isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
// deferred.progress(function() { bind to newDefer or newDefer.notify })
// deferred.done(function() { bind to newDefer or newDefer.resolve })
// deferred.fail(function() { bind to newDefer or newDefer.reject })
deferred[ tuple[ 1 ] ]( function() { var returned = fn && fn.apply( this, arguments ); if ( returned && isFunction( returned.promise ) ) { returned.promise() .progress( newDefer.notify ) .done( newDefer.resolve ) .fail( newDefer.reject ); } else { newDefer[ tuple[ 0 ] + "With" ]( this, fn ? [ returned ] : arguments ); } } ); } ); fns = null; } ).promise(); }, then: function( onFulfilled, onRejected, onProgress ) { var maxDepth = 0; function resolve( depth, deferred, handler, special ) { return function() { var that = this, args = arguments, mightThrow = function() { var returned, then;
// Support: Promises/A+ section 2.3.3.3.3
// https://promisesaplus.com/#point-59
// Ignore double-resolution attempts
if ( depth < maxDepth ) { return; }
returned = handler.apply( that, args );
// Support: Promises/A+ section 2.3.1
// https://promisesaplus.com/#point-48
if ( returned === deferred.promise() ) { throw new TypeError( "Thenable self-resolution" ); }
// Support: Promises/A+ sections 2.3.3.1, 3.5
// https://promisesaplus.com/#point-54
// https://promisesaplus.com/#point-75
// Retrieve `then` only once
then = returned &&
// Support: Promises/A+ section 2.3.4
// https://promisesaplus.com/#point-64
// Only check objects and functions for thenability
( typeof returned === "object" || typeof returned === "function" ) && returned.then;
// Handle a returned thenable
if ( isFunction( then ) ) {
// Special processors (notify) just wait for resolution
if ( special ) { then.call( returned, resolve( maxDepth, deferred, Identity, special ), resolve( maxDepth, deferred, Thrower, special ) );
// Normal processors (resolve) also hook into progress
} else {
// ...and disregard older resolution values
maxDepth++;
then.call( returned, resolve( maxDepth, deferred, Identity, special ), resolve( maxDepth, deferred, Thrower, special ), resolve( maxDepth, deferred, Identity, deferred.notifyWith ) ); }
// Handle all other returned values
} else {
// Only substitute handlers pass on context
// and multiple values (non-spec behavior)
if ( handler !== Identity ) { that = undefined; args = [ returned ]; }
// Process the value(s)
// Default process is resolve
( special || deferred.resolveWith )( that, args ); } },
// Only normal processors (resolve) catch and reject exceptions
process = special ? mightThrow : function() { try { mightThrow(); } catch ( e ) {
if ( jQuery.Deferred.exceptionHook ) { jQuery.Deferred.exceptionHook( e, process.stackTrace ); }
// Support: Promises/A+ section 2.3.3.3.4.1
// https://promisesaplus.com/#point-61
// Ignore post-resolution exceptions
if ( depth + 1 >= maxDepth ) {
// Only substitute handlers pass on context
// and multiple values (non-spec behavior)
if ( handler !== Thrower ) { that = undefined; args = [ e ]; }
deferred.rejectWith( that, args ); } } };
// Support: Promises/A+ section 2.3.3.3.1
// https://promisesaplus.com/#point-57
// Re-resolve promises immediately to dodge false rejection from
// subsequent errors
if ( depth ) { process(); } else {
// Call an optional hook to record the stack, in case of exception
// since it's otherwise lost when execution goes async
if ( jQuery.Deferred.getStackHook ) { process.stackTrace = jQuery.Deferred.getStackHook(); } window.setTimeout( process ); } }; }
return jQuery.Deferred( function( newDefer ) {
// progress_handlers.add( ... )
tuples[ 0 ][ 3 ].add( resolve( 0, newDefer, isFunction( onProgress ) ? onProgress : Identity, newDefer.notifyWith ) );
// fulfilled_handlers.add( ... )
tuples[ 1 ][ 3 ].add( resolve( 0, newDefer, isFunction( onFulfilled ) ? onFulfilled : Identity ) );
// rejected_handlers.add( ... )
tuples[ 2 ][ 3 ].add( resolve( 0, newDefer, isFunction( onRejected ) ? onRejected : Thrower ) ); } ).promise(); },
// Get a promise for this deferred
// If obj is provided, the promise aspect is added to the object
promise: function( obj ) { return obj != null ? jQuery.extend( obj, promise ) : promise; } }, deferred = {};
// Add list-specific methods
jQuery.each( tuples, function( i, tuple ) { var list = tuple[ 2 ], stateString = tuple[ 5 ];
// promise.progress = list.add
// promise.done = list.add
// promise.fail = list.add
promise[ tuple[ 1 ] ] = list.add;
// Handle state
if ( stateString ) { list.add( function() {
// state = "resolved" (i.e., fulfilled)
// state = "rejected"
state = stateString; },
// rejected_callbacks.disable
// fulfilled_callbacks.disable
tuples[ 3 - i ][ 2 ].disable,
// rejected_handlers.disable
// fulfilled_handlers.disable
tuples[ 3 - i ][ 3 ].disable,
// progress_callbacks.lock
tuples[ 0 ][ 2 ].lock,
// progress_handlers.lock
tuples[ 0 ][ 3 ].lock ); }
// progress_handlers.fire
// fulfilled_handlers.fire
// rejected_handlers.fire
list.add( tuple[ 3 ].fire );
// deferred.notify = function() { deferred.notifyWith(...) }
// deferred.resolve = function() { deferred.resolveWith(...) }
// deferred.reject = function() { deferred.rejectWith(...) }
deferred[ tuple[ 0 ] ] = function() { deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); return this; };
// deferred.notifyWith = list.fireWith
// deferred.resolveWith = list.fireWith
// deferred.rejectWith = list.fireWith
deferred[ tuple[ 0 ] + "With" ] = list.fireWith; } );
// Make the deferred a promise
promise.promise( deferred );
// Call given func if any
if ( func ) { func.call( deferred, deferred ); }
// All done!
return deferred; },
// Deferred helper
when: function( singleValue ) { var
// count of uncompleted subordinates
remaining = arguments.length,
// count of unprocessed arguments
i = remaining,
// subordinate fulfillment data
resolveContexts = Array( i ), resolveValues = slice.call( arguments ),
// the master Deferred
master = jQuery.Deferred(),
// subordinate callback factory
updateFunc = function( i ) { return function( value ) { resolveContexts[ i ] = this; resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; if ( !( --remaining ) ) { master.resolveWith( resolveContexts, resolveValues ); } }; };
// Single- and empty arguments are adopted like Promise.resolve
if ( remaining <= 1 ) { adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject, !remaining );
// Use .then() to unwrap secondary thenables (cf. gh-3000)
if ( master.state() === "pending" || isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
return master.then(); } }
// Multiple arguments are aggregated like Promise.all array elements
while ( i-- ) { adoptValue( resolveValues[ i ], updateFunc( i ), master.reject ); }
return master.promise(); } } );
// These usually indicate a programmer mistake during development,
// warn about them ASAP rather than swallowing them by default.
var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
jQuery.Deferred.exceptionHook = function( error, stack ) {
// Support: IE 8 - 9 only
// Console exists when dev tools are open, which can happen at any time
if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack ); } };
jQuery.readyException = function( error ) { window.setTimeout( function() { throw error; } ); };
// The deferred used on DOM ready
var readyList = jQuery.Deferred();
jQuery.fn.ready = function( fn ) {
readyList .then( fn )
// Wrap jQuery.readyException in a function so that the lookup
// happens at the time of error handling instead of callback
// registration.
.catch( function( error ) { jQuery.readyException( error ); } );
return this; };
jQuery.extend( {
// Is the DOM ready to be used? Set to true once it occurs.
isReady: false,
// A counter to track how many items to wait for before
// the ready event fires. See #6781
readyWait: 1,
// Handle when the DOM is ready
ready: function( wait ) {
// Abort if there are pending holds or we're already ready
if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { return; }
// Remember that the DOM is ready
jQuery.isReady = true;
// If a normal DOM Ready event fired, decrement, and wait if need be
if ( wait !== true && --jQuery.readyWait > 0 ) { return; }
// If there are functions bound, to execute
readyList.resolveWith( document, [ jQuery ] ); } } );
jQuery.ready.then = readyList.then;
// The ready event handler and self cleanup method
function completed() { document.removeEventListener( "DOMContentLoaded", completed ); window.removeEventListener( "load", completed ); jQuery.ready(); }
// Catch cases where $(document).ready() is called
// after the browser event has already occurred.
// Support: IE <=9 - 10 only
// Older IE sometimes signals "interactive" too soon
if ( document.readyState === "complete" || ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
// Handle it asynchronously to allow scripts the opportunity to delay ready
window.setTimeout( jQuery.ready );
} else {
// Use the handy event callback
document.addEventListener( "DOMContentLoaded", completed );
// A fallback to window.onload, that will always work
window.addEventListener( "load", completed ); }
// Multifunctional method to get and set values of a collection
// The value/s can optionally be executed if it's a function
var access = function( elems, fn, key, value, chainable, emptyGet, raw ) { var i = 0, len = elems.length, bulk = key == null;
// Sets many values
if ( toType( key ) === "object" ) { chainable = true; for ( i in key ) { access( elems, fn, i, key[ i ], true, emptyGet, raw ); }
// Sets one value
} else if ( value !== undefined ) { chainable = true;
if ( !isFunction( value ) ) { raw = true; }
if ( bulk ) {
// Bulk operations run against the entire set
if ( raw ) { fn.call( elems, value ); fn = null;
// ...except when executing function values
} else { bulk = fn; fn = function( elem, key, value ) { return bulk.call( jQuery( elem ), value ); }; } }
if ( fn ) { for ( ; i < len; i++ ) { fn( elems[ i ], key, raw ? value : value.call( elems[ i ], i, fn( elems[ i ], key ) ) ); } } }
if ( chainable ) { return elems; }
// Gets
if ( bulk ) { return fn.call( elems ); }
return len ? fn( elems[ 0 ], key ) : emptyGet; };
// Matches dashed string for camelizing
var rmsPrefix = /^-ms-/, rdashAlpha = /-([a-z])/g;
// Used by camelCase as callback to replace()
function fcamelCase( all, letter ) { return letter.toUpperCase(); }
// Convert dashed to camelCase; used by the css and data modules
// Support: IE <=9 - 11, Edge 12 - 15
// Microsoft forgot to hump their vendor prefix (#9572)
function camelCase( string ) { return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); } var acceptData = function( owner ) {
// Accepts only:
// - Node
// - Node.ELEMENT_NODE
// - Node.DOCUMENT_NODE
// - Object
// - Any
return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); };
function Data() { this.expando = jQuery.expando + Data.uid++; }
Data.uid = 1;
Data.prototype = {
cache: function( owner ) {
// Check if the owner object already has a cache
var value = owner[ this.expando ];
// If not, create one
if ( !value ) { value = {};
// We can accept data for non-element nodes in modern browsers,
// but we should not, see #8335.
// Always return an empty object.
if ( acceptData( owner ) ) {
// If it is a node unlikely to be stringify-ed or looped over
// use plain assignment
if ( owner.nodeType ) { owner[ this.expando ] = value;
// Otherwise secure it in a non-enumerable property
// configurable must be true to allow the property to be
// deleted when data is removed
} else { Object.defineProperty( owner, this.expando, { value: value, configurable: true } ); } } }
return value; }, set: function( owner, data, value ) { var prop, cache = this.cache( owner );
// Handle: [ owner, key, value ] args
// Always use camelCase key (gh-2257)
if ( typeof data === "string" ) { cache[ camelCase( data ) ] = value;
// Handle: [ owner, { properties } ] args
} else {
// Copy the properties one-by-one to the cache object
for ( prop in data ) { cache[ camelCase( prop ) ] = data[ prop ]; } } return cache; }, get: function( owner, key ) { return key === undefined ? this.cache( owner ) :
// Always use camelCase key (gh-2257)
owner[ this.expando ] && owner[ this.expando ][ camelCase( key ) ]; }, access: function( owner, key, value ) {
// In cases where either:
//
// 1. No key was specified
// 2. A string key was specified, but no value provided
//
// Take the "read" path and allow the get method to determine
// which value to return, respectively either:
//
// 1. The entire cache object
// 2. The data stored at the key
//
if ( key === undefined || ( ( key && typeof key === "string" ) && value === undefined ) ) {
return this.get( owner, key ); }
// When the key is not a string, or both a key and value
// are specified, set or extend (existing objects) with either:
//
// 1. An object of properties
// 2. A key and value
//
this.set( owner, key, value );
// Since the "set" path can have two possible entry points
// return the expected data based on which path was taken[*]
return value !== undefined ? value : key; }, remove: function( owner, key ) { var i, cache = owner[ this.expando ];
if ( cache === undefined ) { return; }
if ( key !== undefined ) {
// Support array or space separated string of keys
if ( Array.isArray( key ) ) {
// If key is an array of keys...
// We always set camelCase keys, so remove that.
key = key.map( camelCase ); } else { key = camelCase( key );
// If a key with the spaces exists, use it.
// Otherwise, create an array by matching non-whitespace
key = key in cache ? [ key ] : ( key.match( rnothtmlwhite ) || [] ); }
i = key.length;
while ( i-- ) { delete cache[ key[ i ] ]; } }
// Remove the expando if there's no more data
if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
// Support: Chrome <=35 - 45
// Webkit & Blink performance suffers when deleting properties
// from DOM nodes, so set to undefined instead
// https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
if ( owner.nodeType ) { owner[ this.expando ] = undefined; } else { delete owner[ this.expando ]; } } }, hasData: function( owner ) { var cache = owner[ this.expando ]; return cache !== undefined && !jQuery.isEmptyObject( cache ); } }; var dataPriv = new Data();
var dataUser = new Data();
// Implementation Summary
//
// 1. Enforce API surface and semantic compatibility with 1.9.x branch
// 2. Improve the module's maintainability by reducing the storage
// paths to a single mechanism.
// 3. Use the same single mechanism to support "private" and "user" data.
// 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
// 5. Avoid exposing implementation details on user objects (eg. expando properties)
// 6. Provide a clear path for implementation upgrade to WeakMap in 2014
var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, rmultiDash = /[A-Z]/g;
function getData( data ) { if ( data === "true" ) { return true; }
if ( data === "false" ) { return false; }
if ( data === "null" ) { return null; }
// Only convert to a number if it doesn't change the string
if ( data === +data + "" ) { return +data; }
if ( rbrace.test( data ) ) { return JSON.parse( data ); }
return data; }
function dataAttr( elem, key, data ) { var name;
// If nothing was found internally, try to fetch any
// data from the HTML5 data-* attribute
if ( data === undefined && elem.nodeType === 1 ) { name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase(); data = elem.getAttribute( name );
if ( typeof data === "string" ) { try { data = getData( data ); } catch ( e ) {}
// Make sure we set the data so it isn't changed later
dataUser.set( elem, key, data ); } else { data = undefined; } } return data; }
jQuery.extend( { hasData: function( elem ) { return dataUser.hasData( elem ) || dataPriv.hasData( elem ); },
data: function( elem, name, data ) { return dataUser.access( elem, name, data ); },
removeData: function( elem, name ) { dataUser.remove( elem, name ); },
// TODO: Now that all calls to _data and _removeData have been replaced
// with direct calls to dataPriv methods, these can be deprecated.
_data: function( elem, name, data ) { return dataPriv.access( elem, name, data ); },
_removeData: function( elem, name ) { dataPriv.remove( elem, name ); } } );
jQuery.fn.extend( { data: function( key, value ) { var i, name, data, elem = this[ 0 ], attrs = elem && elem.attributes;
// Gets all values
if ( key === undefined ) { if ( this.length ) { data = dataUser.get( elem );
if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) { i = attrs.length; while ( i-- ) {
// Support: IE 11 only
// The attrs elements can be null (#14894)
if ( attrs[ i ] ) { name = attrs[ i ].name; if ( name.indexOf( "data-" ) === 0 ) { name = camelCase( name.slice( 5 ) ); dataAttr( elem, name, data[ name ] ); } } } dataPriv.set( elem, "hasDataAttrs", true ); } }
return data; }
// Sets multiple values
if ( typeof key === "object" ) { return this.each( function() { dataUser.set( this, key ); } ); }
return access( this, function( value ) { var data;
// The calling jQuery object (element matches) is not empty
// (and therefore has an element appears at this[ 0 ]) and the
// `value` parameter was not undefined. An empty jQuery object
// will result in `undefined` for elem = this[ 0 ] which will
// throw an exception if an attempt to read a data cache is made.
if ( elem && value === undefined ) {
// Attempt to get data from the cache
// The key will always be camelCased in Data
data = dataUser.get( elem, key ); if ( data !== undefined ) { return data; }
// Attempt to "discover" the data in
// HTML5 custom data-* attrs
data = dataAttr( elem, key ); if ( data !== undefined ) { return data; }
// We tried really hard, but the data doesn't exist.
return; }
// Set the data...
this.each( function() {
// We always store the camelCased key
dataUser.set( this, key, value ); } ); }, null, value, arguments.length > 1, null, true ); },
removeData: function( key ) { return this.each( function() { dataUser.remove( this, key ); } ); } } );
jQuery.extend( { queue: function( elem, type, data ) { var queue;
if ( elem ) { type = ( type || "fx" ) + "queue"; queue = dataPriv.get( elem, type );
// Speed up dequeue by getting out quickly if this is just a lookup
if ( data ) { if ( !queue || Array.isArray( data ) ) { queue = dataPriv.access( elem, type, jQuery.makeArray( data ) ); } else { queue.push( data ); } } return queue || []; } },
dequeue: function( elem, type ) { type = type || "fx";
var queue = jQuery.queue( elem, type ), startLength = queue.length, fn = queue.shift(), hooks = jQuery._queueHooks( elem, type ), next = function() { jQuery.dequeue( elem, type ); };
// If the fx queue is dequeued, always remove the progress sentinel
if ( fn === "inprogress" ) { fn = queue.shift(); startLength--; }
if ( fn ) {
// Add a progress sentinel to prevent the fx queue from being
// automatically dequeued
if ( type === "fx" ) { queue.unshift( "inprogress" ); }
// Clear up the last queue stop function
delete hooks.stop; fn.call( elem, next, hooks ); }
if ( !startLength && hooks ) { hooks.empty.fire(); } },
// Not public - generate a queueHooks object, or return the current one
_queueHooks: function( elem, type ) { var key = type + "queueHooks"; return dataPriv.get( elem, key ) || dataPriv.access( elem, key, { empty: jQuery.Callbacks( "once memory" ).add( function() { dataPriv.remove( elem, [ type + "queue", key ] ); } ) } ); } } );
jQuery.fn.extend( { queue: function( type, data ) { var setter = 2;
if ( typeof type !== "string" ) { data = type; type = "fx"; setter--; }
if ( arguments.length < setter ) { return jQuery.queue( this[ 0 ], type ); }
return data === undefined ? this : this.each( function() { var queue = jQuery.queue( this, type, data );
// Ensure a hooks for this queue
jQuery._queueHooks( this, type );
if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { jQuery.dequeue( this, type ); } } ); }, dequeue: function( type ) { return this.each( function() { jQuery.dequeue( this, type ); } ); }, clearQueue: function( type ) { return this.queue( type || "fx", [] ); },
// Get a promise resolved when queues of a certain type
// are emptied (fx is the type by default)
promise: function( type, obj ) { var tmp, count = 1, defer = jQuery.Deferred(), elements = this, i = this.length, resolve = function() { if ( !( --count ) ) { defer.resolveWith( elements, [ elements ] ); } };
if ( typeof type !== "string" ) { obj = type; type = undefined; } type = type || "fx";
while ( i-- ) { tmp = dataPriv.get( elements[ i ], type + "queueHooks" ); if ( tmp && tmp.empty ) { count++; tmp.empty.add( resolve ); } } resolve(); return defer.promise( obj ); } } ); var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
var isHiddenWithinTree = function( elem, el ) {
// isHiddenWithinTree might be called from jQuery#filter function;
// in that case, element will be second argument
elem = el || elem;
// Inline style trumps all
return elem.style.display === "none" || elem.style.display === "" &&
// Otherwise, check computed style
// Support: Firefox <=43 - 45
// Disconnected elements can have computed display: none, so first confirm that elem is
// in the document.
jQuery.contains( elem.ownerDocument, elem ) &&
jQuery.css( elem, "display" ) === "none"; };
var swap = function( elem, options, callback, args ) { var ret, name, old = {};
// Remember the old values, and insert the new ones
for ( name in options ) { old[ name ] = elem.style[ name ]; elem.style[ name ] = options[ name ]; }
ret = callback.apply( elem, args || [] );
// Revert the old values
for ( name in options ) { elem.style[ name ] = old[ name ]; }
return ret; };
function adjustCSS( elem, prop, valueParts, tween ) { var adjusted, scale, maxIterations = 20, currentValue = tween ? function() { return tween.cur(); } : function() { return jQuery.css( elem, prop, "" ); }, initial = currentValue(), unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
// Starting value computation is required for potential unit mismatches
initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && rcssNum.exec( jQuery.css( elem, prop ) );
if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
// Support: Firefox <=54
// Halve the iteration target value to prevent interference from CSS upper bounds (gh-2144)
initial = initial / 2;
// Trust units reported by jQuery.css
unit = unit || initialInUnit[ 3 ];
// Iteratively approximate from a nonzero starting point
initialInUnit = +initial || 1;
while ( maxIterations-- ) {
// Evaluate and update our best guess (doubling guesses that zero out).
// Finish if the scale equals or crosses 1 (making the old*new product non-positive).
jQuery.style( elem, prop, initialInUnit + unit ); if ( ( 1 - scale ) * ( 1 - ( scale = currentValue() / initial || 0.5 ) ) <= 0 ) { maxIterations = 0; } initialInUnit = initialInUnit / scale;
}
initialInUnit = initialInUnit * 2; jQuery.style( elem, prop, initialInUnit + unit );
// Make sure we update the tween properties later on
valueParts = valueParts || []; }
if ( valueParts ) { initialInUnit = +initialInUnit || +initial || 0;
// Apply relative offset (+=/-=) if specified
adjusted = valueParts[ 1 ] ? initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] : +valueParts[ 2 ]; if ( tween ) { tween.unit = unit; tween.start = initialInUnit; tween.end = adjusted; } } return adjusted; }
var defaultDisplayMap = {};
function getDefaultDisplay( elem ) { var temp, doc = elem.ownerDocument, nodeName = elem.nodeName, display = defaultDisplayMap[ nodeName ];
if ( display ) { return display; }
temp = doc.body.appendChild( doc.createElement( nodeName ) ); display = jQuery.css( temp, "display" );
temp.parentNode.removeChild( temp );
if ( display === "none" ) { display = "block"; } defaultDisplayMap[ nodeName ] = display;
return display; }
function showHide( elements, show ) { var display, elem, values = [], index = 0, length = elements.length;
// Determine new display value for elements that need to change
for ( ; index < length; index++ ) { elem = elements[ index ]; if ( !elem.style ) { continue; }
display = elem.style.display; if ( show ) {
// Since we force visibility upon cascade-hidden elements, an immediate (and slow)
// check is required in this first loop unless we have a nonempty display value (either
// inline or about-to-be-restored)
if ( display === "none" ) { values[ index ] = dataPriv.get( elem, "display" ) || null; if ( !values[ index ] ) { elem.style.display = ""; } } if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) { values[ index ] = getDefaultDisplay( elem ); } } else { if ( display !== "none" ) { values[ index ] = "none";
// Remember what we're overwriting
dataPriv.set( elem, "display", display ); } } }
// Set the display of the elements in a second loop to avoid constant reflow
for ( index = 0; index < length; index++ ) { if ( values[ index ] != null ) { elements[ index ].style.display = values[ index ]; } }
return elements; }
jQuery.fn.extend( { show: function() { return showHide( this, true ); }, hide: function() { return showHide( this ); }, toggle: function( state ) { if ( typeof state === "boolean" ) { return state ? this.show() : this.hide(); }
return this.each( function() { if ( isHiddenWithinTree( this ) ) { jQuery( this ).show(); } else { jQuery( this ).hide(); } } ); } } ); var rcheckableType = ( /^(?:checkbox|radio)$/i );
var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
var rscriptType = ( /^$|^module$|\/(?:java|ecma)script/i );
// We have to close these tags to support XHTML (#13200)
var wrapMap = {
// Support: IE <=9 only
option: [ 1, "<select multiple='multiple'>", "</select>" ],
// XHTML parsers do not magically insert elements in the
// same way that tag soup parsers do. So we cannot shorten
// this by omitting <tbody> or other required elements.
thead: [ 1, "<table>", "</table>" ], col: [ 2, "<table><colgroup>", "</colgroup></table>" ], tr: [ 2, "<table><tbody>", "</tbody></table>" ], td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
_default: [ 0, "", "" ] };
// Support: IE <=9 only
wrapMap.optgroup = wrapMap.option;
wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; wrapMap.th = wrapMap.td;
function getAll( context, tag ) {
// Support: IE <=9 - 11 only
// Use typeof to avoid zero-argument method invocation on host objects (#15151)
var ret;
if ( typeof context.getElementsByTagName !== "undefined" ) { ret = context.getElementsByTagName( tag || "*" );
} else if ( typeof context.querySelectorAll !== "undefined" ) { ret = context.querySelectorAll( tag || "*" );
} else { ret = []; }
if ( tag === undefined || tag && nodeName( context, tag ) ) { return jQuery.merge( [ context ], ret ); }
return ret; }
// Mark scripts as having already been evaluated
function setGlobalEval( elems, refElements ) { var i = 0, l = elems.length;
for ( ; i < l; i++ ) { dataPriv.set( elems[ i ], "globalEval", !refElements || dataPriv.get( refElements[ i ], "globalEval" ) ); } }
var rhtml = /<|&#?\w+;/;
function buildFragment( elems, context, scripts, selection, ignored ) { var elem, tmp, tag, wrap, contains, j, fragment = context.createDocumentFragment(), nodes = [], i = 0, l = elems.length;
for ( ; i < l; i++ ) { elem = elems[ i ];
if ( elem || elem === 0 ) {
// Add nodes directly
if ( toType( elem ) === "object" ) {
// Support: Android <=4.0 only, PhantomJS 1 only
// push.apply(_, arraylike) throws on ancient WebKit
jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
// Convert non-html into a text node
} else if ( !rhtml.test( elem ) ) { nodes.push( context.createTextNode( elem ) );
// Convert html into DOM nodes
} else { tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
// Deserialize a standard representation
tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); wrap = wrapMap[ tag ] || wrapMap._default; tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
// Descend through wrappers to the right content
j = wrap[ 0 ]; while ( j-- ) { tmp = tmp.lastChild; }
// Support: Android <=4.0 only, PhantomJS 1 only
// push.apply(_, arraylike) throws on ancient WebKit
jQuery.merge( nodes, tmp.childNodes );
// Remember the top-level container
tmp = fragment.firstChild;
// Ensure the created nodes are orphaned (#12392)
tmp.textContent = ""; } } }
// Remove wrapper from fragment
fragment.textContent = "";
i = 0; while ( ( elem = nodes[ i++ ] ) ) {
// Skip elements already in the context collection (trac-4087)
if ( selection && jQuery.inArray( elem, selection ) > -1 ) { if ( ignored ) { ignored.push( elem ); } continue; }
contains = jQuery.contains( elem.ownerDocument, elem );
// Append to fragment
tmp = getAll( fragment.appendChild( elem ), "script" );
// Preserve script evaluation history
if ( contains ) { setGlobalEval( tmp ); }
// Capture executables
if ( scripts ) { j = 0; while ( ( elem = tmp[ j++ ] ) ) { if ( rscriptType.test( elem.type || "" ) ) { scripts.push( elem ); } } } }
return fragment; }
( function() { var fragment = document.createDocumentFragment(), div = fragment.appendChild( document.createElement( "div" ) ), input = document.createElement( "input" );
// Support: Android 4.0 - 4.3 only
// Check state lost if the name is set (#11217)
// Support: Windows Web Apps (WWA)
// `name` and `type` must use .setAttribute for WWA (#14901)
input.setAttribute( "type", "radio" ); input.setAttribute( "checked", "checked" ); input.setAttribute( "name", "t" );
div.appendChild( input );
// Support: Android <=4.1 only
// Older WebKit doesn't clone checked state correctly in fragments
support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
// Support: IE <=11 only
// Make sure textarea (and checkbox) defaultValue is properly cloned
div.innerHTML = "<textarea>x</textarea>"; support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; } )(); var documentElement = document.documentElement;
var rkeyEvent = /^key/, rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/, rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
function returnTrue() { return true; }
function returnFalse() { return false; }
// Support: IE <=9 only
// See #13393 for more info
function safeActiveElement() { try { return document.activeElement; } catch ( err ) { } }
function on( elem, types, selector, data, fn, one ) { var origFn, type;
// Types can be a map of types/handlers
if ( typeof types === "object" ) {
// ( types-Object, selector, data )
if ( typeof selector !== "string" ) {
// ( types-Object, data )
data = data || selector; selector = undefined; } for ( type in types ) { on( elem, type, selector, data, types[ type ], one ); } return elem; }
if ( data == null && fn == null ) {
// ( types, fn )
fn = selector; data = selector = undefined; } else if ( fn == null ) { if ( typeof selector === "string" ) {
// ( types, selector, fn )
fn = data; data = undefined; } else {
// ( types, data, fn )
fn = data; data = selector; selector = undefined; } } if ( fn === false ) { fn = returnFalse; } else if ( !fn ) { return elem; }
if ( one === 1 ) { origFn = fn; fn = function( event ) {
// Can use an empty set, since event contains the info
jQuery().off( event ); return origFn.apply( this, arguments ); };
// Use same guid so caller can remove using origFn
fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); } return elem.each( function() { jQuery.event.add( this, types, fn, data, selector ); } ); }
/* * Helper functions for managing events -- not part of the public interface. * Props to Dean Edwards' addEvent library for many of the ideas. */ jQuery.event = {
global: {},
add: function( elem, types, handler, data, selector ) {
var handleObjIn, eventHandle, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = dataPriv.get( elem );
// Don't attach events to noData or text/comment nodes (but allow plain objects)
if ( !elemData ) { return; }
// Caller can pass in an object of custom data in lieu of the handler
if ( handler.handler ) { handleObjIn = handler; handler = handleObjIn.handler; selector = handleObjIn.selector; }
// Ensure that invalid selectors throw exceptions at attach time
// Evaluate against documentElement in case elem is a non-element node (e.g., document)
if ( selector ) { jQuery.find.matchesSelector( documentElement, selector ); }
// Make sure that the handler has a unique ID, used to find/remove it later
if ( !handler.guid ) { handler.guid = jQuery.guid++; }
// Init the element's event structure and main handler, if this is the first
if ( !( events = elemData.events ) ) { events = elemData.events = {}; } if ( !( eventHandle = elemData.handle ) ) { eventHandle = elemData.handle = function( e ) {
// Discard the second event of a jQuery.event.trigger() and
// when an event is called after a page has unloaded
return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? jQuery.event.dispatch.apply( elem, arguments ) : undefined; }; }
// Handle multiple events separated by a space
types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; type = origType = tmp[ 1 ]; namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
// There *must* be a type, no attaching namespace-only handlers
if ( !type ) { continue; }
// If event changes its type, use the special event handlers for the changed type
special = jQuery.event.special[ type ] || {};
// If selector defined, determine special event api type, otherwise given type
type = ( selector ? special.delegateType : special.bindType ) || type;
// Update special based on newly reset type
special = jQuery.event.special[ type ] || {};
// handleObj is passed to all event handlers
handleObj = jQuery.extend( { type: type, origType: origType, data: data, handler: handler, guid: handler.guid, selector: selector, needsContext: selector && jQuery.expr.match.needsContext.test( selector ), namespace: namespaces.join( "." ) }, handleObjIn );
// Init the event handler queue if we're the first
if ( !( handlers = events[ type ] ) ) { handlers = events[ type ] = []; handlers.delegateCount = 0;
// Only use addEventListener if the special events handler returns false
if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
if ( elem.addEventListener ) { elem.addEventListener( type, eventHandle ); } } }
if ( special.add ) { special.add.call( elem, handleObj );
if ( !handleObj.handler.guid ) { handleObj.handler.guid = handler.guid; } }
// Add to the element's handler list, delegates in front
if ( selector ) { handlers.splice( handlers.delegateCount++, 0, handleObj ); } else { handlers.push( handleObj ); }
// Keep track of which events have ever been used, for event optimization
jQuery.event.global[ type ] = true; }
},
// Detach an event or set of events from an element
remove: function( elem, types, handler, selector, mappedTypes ) {
var j, origCount, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
if ( !elemData || !( events = elemData.events ) ) { return; }
// Once for each type.namespace in types; type may be omitted
types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; type = origType = tmp[ 1 ]; namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
// Unbind all events (on this namespace, if provided) for the element
if ( !type ) { for ( type in events ) { jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); } continue; }
special = jQuery.event.special[ type ] || {}; type = ( selector ? special.delegateType : special.bindType ) || type; handlers = events[ type ] || []; tmp = tmp[ 2 ] && new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
// Remove matching events
origCount = j = handlers.length; while ( j-- ) { handleObj = handlers[ j ];
if ( ( mappedTypes || origType === handleObj.origType ) && ( !handler || handler.guid === handleObj.guid ) && ( !tmp || tmp.test( handleObj.namespace ) ) && ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { handlers.splice( j, 1 );
if ( handleObj.selector ) { handlers.delegateCount--; } if ( special.remove ) { special.remove.call( elem, handleObj ); } } }
// Remove generic event handler if we removed something and no more handlers exist
// (avoids potential for endless recursion during removal of special event handlers)
if ( origCount && !handlers.length ) { if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
jQuery.removeEvent( elem, type, elemData.handle ); }
delete events[ type ]; } }
// Remove data and the expando if it's no longer used
if ( jQuery.isEmptyObject( events ) ) { dataPriv.remove( elem, "handle events" ); } },
dispatch: function( nativeEvent ) {
// Make a writable jQuery.Event from the native event object
var event = jQuery.event.fix( nativeEvent );
var i, j, ret, matched, handleObj, handlerQueue, args = new Array( arguments.length ), handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [], special = jQuery.event.special[ event.type ] || {};
// Use the fix-ed jQuery.Event rather than the (read-only) native event
args[ 0 ] = event;
for ( i = 1; i < arguments.length; i++ ) { args[ i ] = arguments[ i ]; }
event.delegateTarget = this;
// Call the preDispatch hook for the mapped type, and let it bail if desired
if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { return; }
// Determine handlers
handlerQueue = jQuery.event.handlers.call( this, event, handlers );
// Run delegates first; they may want to stop propagation beneath us
i = 0; while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { event.currentTarget = matched.elem;
j = 0; while ( ( handleObj = matched.handlers[ j++ ] ) && !event.isImmediatePropagationStopped() ) {
// Triggered event must either 1) have no namespace, or 2) have namespace(s)
// a subset or equal to those in the bound event (both can have no namespace).
if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
event.handleObj = handleObj; event.data = handleObj.data;
ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle || handleObj.handler ).apply( matched.elem, args );
if ( ret !== undefined ) { if ( ( event.result = ret ) === false ) { event.preventDefault(); event.stopPropagation(); } } } } }
// Call the postDispatch hook for the mapped type
if ( special.postDispatch ) { special.postDispatch.call( this, event ); }
return event.result; },
handlers: function( event, handlers ) { var i, handleObj, sel, matchedHandlers, matchedSelectors, handlerQueue = [], delegateCount = handlers.delegateCount, cur = event.target;
// Find delegate handlers
if ( delegateCount &&
// Support: IE <=9
// Black-hole SVG <use> instance trees (trac-13180)
cur.nodeType &&
// Support: Firefox <=42
// Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
// https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
// Support: IE 11 only
// ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
!( event.type === "click" && event.button >= 1 ) ) {
for ( ; cur !== this; cur = cur.parentNode || this ) {
// Don't check non-elements (#13208)
// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) { matchedHandlers = []; matchedSelectors = {}; for ( i = 0; i < delegateCount; i++ ) { handleObj = handlers[ i ];
// Don't conflict with Object.prototype properties (#13203)
sel = handleObj.selector + " ";
if ( matchedSelectors[ sel ] === undefined ) { matchedSelectors[ sel ] = handleObj.needsContext ? jQuery( sel, this ).index( cur ) > -1 : jQuery.find( sel, this, null, [ cur ] ).length; } if ( matchedSelectors[ sel ] ) { matchedHandlers.push( handleObj ); } } if ( matchedHandlers.length ) { handlerQueue.push( { elem: cur, handlers: matchedHandlers } ); } } } }
// Add the remaining (directly-bound) handlers
cur = this; if ( delegateCount < handlers.length ) { handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } ); }
return handlerQueue; },
addProp: function( name, hook ) { Object.defineProperty( jQuery.Event.prototype, name, { enumerable: true, configurable: true,
get: isFunction( hook ) ? function() { if ( this.originalEvent ) { return hook( this.originalEvent ); } } : function() { if ( this.originalEvent ) { return this.originalEvent[ name ]; } },
set: function( value ) { Object.defineProperty( this, name, { enumerable: true, configurable: true, writable: true, value: value } ); } } ); },
fix: function( originalEvent ) { return originalEvent[ jQuery.expando ] ? originalEvent : new jQuery.Event( originalEvent ); },
special: { load: {
// Prevent triggered image.load events from bubbling to window.load
noBubble: true }, focus: {
// Fire native event if possible so blur/focus sequence is correct
trigger: function() { if ( this !== safeActiveElement() && this.focus ) { this.focus(); return false; } }, delegateType: "focusin" }, blur: { trigger: function() { if ( this === safeActiveElement() && this.blur ) { this.blur(); return false; } }, delegateType: "focusout" }, click: {
// For checkbox, fire native event so checked state will be right
trigger: function() { if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) { this.click(); return false; } },
// For cross-browser consistency, don't fire native .click() on links
_default: function( event ) { return nodeName( event.target, "a" ); } },
beforeunload: { postDispatch: function( event ) {
// Support: Firefox 20+
// Firefox doesn't alert if the returnValue field is not set.
if ( event.result !== undefined && event.originalEvent ) { event.originalEvent.returnValue = event.result; } } } } };
jQuery.removeEvent = function( elem, type, handle ) {
// This "if" is needed for plain objects
if ( elem.removeEventListener ) { elem.removeEventListener( type, handle ); } };
jQuery.Event = function( src, props ) {
// Allow instantiation without the 'new' keyword
if ( !( this instanceof jQuery.Event ) ) { return new jQuery.Event( src, props ); }
// Event object
if ( src && src.type ) { this.originalEvent = src; this.type = src.type;
// Events bubbling up the document may have been marked as prevented
// by a handler lower down the tree; reflect the correct value.
this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined &&
// Support: Android <=2.3 only
src.returnValue === false ? returnTrue : returnFalse;
// Create target properties
// Support: Safari <=6 - 7 only
// Target should not be a text node (#504, #13143)
this.target = ( src.target && src.target.nodeType === 3 ) ? src.target.parentNode : src.target;
this.currentTarget = src.currentTarget; this.relatedTarget = src.relatedTarget;
// Event type
} else { this.type = src; }
// Put explicitly provided properties onto the event object
if ( props ) { jQuery.extend( this, props ); }
// Create a timestamp if incoming event doesn't have one
this.timeStamp = src && src.timeStamp || Date.now();
// Mark it as fixed
this[ jQuery.expando ] = true; };
// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
jQuery.Event.prototype = { constructor: jQuery.Event, isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse, isSimulated: false,
preventDefault: function() { var e = this.originalEvent;
this.isDefaultPrevented = returnTrue;
if ( e && !this.isSimulated ) { e.preventDefault(); } }, stopPropagation: function() { var e = this.originalEvent;
this.isPropagationStopped = returnTrue;
if ( e && !this.isSimulated ) { e.stopPropagation(); } }, stopImmediatePropagation: function() { var e = this.originalEvent;
this.isImmediatePropagationStopped = returnTrue;
if ( e && !this.isSimulated ) { e.stopImmediatePropagation(); }
this.stopPropagation(); } };
// Includes all common event props including KeyEvent and MouseEvent specific props
jQuery.each( { altKey: true, bubbles: true, cancelable: true, changedTouches: true, ctrlKey: true, detail: true, eventPhase: true, metaKey: true, pageX: true, pageY: true, shiftKey: true, view: true, "char": true, charCode: true, key: true, keyCode: true, button: true, buttons: true, clientX: true, clientY: true, offsetX: true, offsetY: true, pointerId: true, pointerType: true, screenX: true, screenY: true, targetTouches: true, toElement: true, touches: true,
which: function( event ) { var button = event.button;
// Add which for key events
if ( event.which == null && rkeyEvent.test( event.type ) ) { return event.charCode != null ? event.charCode : event.keyCode; }
// Add which for click: 1 === left; 2 === middle; 3 === right
if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) { if ( button & 1 ) { return 1; }
if ( button & 2 ) { return 3; }
if ( button & 4 ) { return 2; }
return 0; }
return event.which; } }, jQuery.event.addProp );
// Create mouseenter/leave events using mouseover/out and event-time checks
// so that event delegation works in jQuery.
// Do the same for pointerenter/pointerleave and pointerover/pointerout
//
// Support: Safari 7 only
// Safari sends mouseenter too often; see:
// https://bugs.chromium.org/p/chromium/issues/detail?id=470258
// for the description of the bug (it existed in older Chrome versions as well).
jQuery.each( { mouseenter: "mouseover", mouseleave: "mouseout", pointerenter: "pointerover", pointerleave: "pointerout" }, function( orig, fix ) { jQuery.event.special[ orig ] = { delegateType: fix, bindType: fix,
handle: function( event ) { var ret, target = this, related = event.relatedTarget, handleObj = event.handleObj;
// For mouseenter/leave call the handler if related is outside the target.
// NB: No relatedTarget if the mouse left/entered the browser window
if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) { event.type = handleObj.origType; ret = handleObj.handler.apply( this, arguments ); event.type = fix; } return ret; } }; } );
jQuery.fn.extend( {
on: function( types, selector, data, fn ) { return on( this, types, selector, data, fn ); }, one: function( types, selector, data, fn ) { return on( this, types, selector, data, fn, 1 ); }, off: function( types, selector, fn ) { var handleObj, type; if ( types && types.preventDefault && types.handleObj ) {
// ( event ) dispatched jQuery.Event
handleObj = types.handleObj; jQuery( types.delegateTarget ).off( handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, handleObj.selector, handleObj.handler ); return this; } if ( typeof types === "object" ) {
// ( types-object [, selector] )
for ( type in types ) { this.off( type, selector, types[ type ] ); } return this; } if ( selector === false || typeof selector === "function" ) {
// ( types [, fn] )
fn = selector; selector = undefined; } if ( fn === false ) { fn = returnFalse; } return this.each( function() { jQuery.event.remove( this, types, fn, selector ); } ); } } );
var
/* eslint-disable max-len */
// See https://github.com/eslint/eslint/issues/3229
rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
/* eslint-enable */
// Support: IE <=10 - 11, Edge 12 - 13 only
// In IE/Edge using regex groups here causes severe slowdowns.
// See https://connect.microsoft.com/IE/feedback/details/1736512/
rnoInnerhtml = /<script|<style|<link/i,
// checked="checked" or checked
rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
// Prefer a tbody over its parent table for containing new rows
function manipulationTarget( elem, content ) { if ( nodeName( elem, "table" ) && nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
return jQuery( elem ).children( "tbody" )[ 0 ] || elem; }
return elem; }
// Replace/restore the type attribute of script elements for safe DOM manipulation
function disableScript( elem ) { elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type; return elem; } function restoreScript( elem ) { if ( ( elem.type || "" ).slice( 0, 5 ) === "true/" ) { elem.type = elem.type.slice( 5 ); } else { elem.removeAttribute( "type" ); }
return elem; }
function cloneCopyEvent( src, dest ) { var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
if ( dest.nodeType !== 1 ) { return; }
// 1. Copy private data: events, handlers, etc.
if ( dataPriv.hasData( src ) ) { pdataOld = dataPriv.access( src ); pdataCur = dataPriv.set( dest, pdataOld ); events = pdataOld.events;
if ( events ) { delete pdataCur.handle; pdataCur.events = {};
for ( type in events ) { for ( i = 0, l = events[ type ].length; i < l; i++ ) { jQuery.event.add( dest, type, events[ type ][ i ] ); } } } }
// 2. Copy user data
if ( dataUser.hasData( src ) ) { udataOld = dataUser.access( src ); udataCur = jQuery.extend( {}, udataOld );
dataUser.set( dest, udataCur ); } }
// Fix IE bugs, see support tests
function fixInput( src, dest ) { var nodeName = dest.nodeName.toLowerCase();
// Fails to persist the checked state of a cloned checkbox or radio button.
if ( nodeName === "input" && rcheckableType.test( src.type ) ) { dest.checked = src.checked;
// Fails to return the selected option to the default selected state when cloning options
} else if ( nodeName === "input" || nodeName === "textarea" ) { dest.defaultValue = src.defaultValue; } }
function domManip( collection, args, callback, ignored ) {
// Flatten any nested arrays
args = concat.apply( [], args );
var fragment, first, scripts, hasScripts, node, doc, i = 0, l = collection.length, iNoClone = l - 1, value = args[ 0 ], valueIsFunction = isFunction( value );
// We can't cloneNode fragments that contain checked, in WebKit
if ( valueIsFunction || ( l > 1 && typeof value === "string" && !support.checkClone && rchecked.test( value ) ) ) { return collection.each( function( index ) { var self = collection.eq( index ); if ( valueIsFunction ) { args[ 0 ] = value.call( this, index, self.html() ); } domManip( self, args, callback, ignored ); } ); }
if ( l ) { fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored ); first = fragment.firstChild;
if ( fragment.childNodes.length === 1 ) { fragment = first; }
// Require either new content or an interest in ignored elements to invoke the callback
if ( first || ignored ) { scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); hasScripts = scripts.length;
// Use the original fragment for the last item
// instead of the first because it can end up
// being emptied incorrectly in certain situations (#8070).
for ( ; i < l; i++ ) { node = fragment;
if ( i !== iNoClone ) { node = jQuery.clone( node, true, true );
// Keep references to cloned scripts for later restoration
if ( hasScripts ) {
// Support: Android <=4.0 only, PhantomJS 1 only
// push.apply(_, arraylike) throws on ancient WebKit
jQuery.merge( scripts, getAll( node, "script" ) ); } }
callback.call( collection[ i ], node, i ); }
if ( hasScripts ) { doc = scripts[ scripts.length - 1 ].ownerDocument;
// Reenable scripts
jQuery.map( scripts, restoreScript );
// Evaluate executable scripts on first document insertion
for ( i = 0; i < hasScripts; i++ ) { node = scripts[ i ]; if ( rscriptType.test( node.type || "" ) && !dataPriv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
if ( node.src && ( node.type || "" ).toLowerCase() !== "module" ) {
// Optional AJAX dependency, but won't run scripts if not present
if ( jQuery._evalUrl ) { jQuery._evalUrl( node.src ); } } else { DOMEval( node.textContent.replace( rcleanScript, "" ), doc, node ); } } } } } }
return collection; }
function remove( elem, selector, keepData ) { var node, nodes = selector ? jQuery.filter( selector, elem ) : elem, i = 0;
for ( ; ( node = nodes[ i ] ) != null; i++ ) { if ( !keepData && node.nodeType === 1 ) { jQuery.cleanData( getAll( node ) ); }
if ( node.parentNode ) { if ( keepData && jQuery.contains( node.ownerDocument, node ) ) { setGlobalEval( getAll( node, "script" ) ); } node.parentNode.removeChild( node ); } }
return elem; }
jQuery.extend( { htmlPrefilter: function( html ) { return html.replace( rxhtmlTag, "<$1></$2>" ); },
clone: function( elem, dataAndEvents, deepDataAndEvents ) { var i, l, srcElements, destElements, clone = elem.cloneNode( true ), inPage = jQuery.contains( elem.ownerDocument, elem );
// Fix IE cloning issues
if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && !jQuery.isXMLDoc( elem ) ) {
// We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
destElements = getAll( clone ); srcElements = getAll( elem );
for ( i = 0, l = srcElements.length; i < l; i++ ) { fixInput( srcElements[ i ], destElements[ i ] ); } }
// Copy the events from the original to the clone
if ( dataAndEvents ) { if ( deepDataAndEvents ) { srcElements = srcElements || getAll( elem ); destElements = destElements || getAll( clone );
for ( i = 0, l = srcElements.length; i < l; i++ ) { cloneCopyEvent( srcElements[ i ], destElements[ i ] ); } } else { cloneCopyEvent( elem, clone ); } }
// Preserve script evaluation history
destElements = getAll( clone, "script" ); if ( destElements.length > 0 ) { setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); }
// Return the cloned set
return clone; },
cleanData: function( elems ) { var data, elem, type, special = jQuery.event.special, i = 0;
for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { if ( acceptData( elem ) ) { if ( ( data = elem[ dataPriv.expando ] ) ) { if ( data.events ) { for ( type in data.events ) { if ( special[ type ] ) { jQuery.event.remove( elem, type );
// This is a shortcut to avoid jQuery.event.remove's overhead
} else { jQuery.removeEvent( elem, type, data.handle ); } } }
// Support: Chrome <=35 - 45+
// Assign undefined instead of using delete, see Data#remove
elem[ dataPriv.expando ] = undefined; } if ( elem[ dataUser.expando ] ) {
// Support: Chrome <=35 - 45+
// Assign undefined instead of using delete, see Data#remove
elem[ dataUser.expando ] = undefined; } } } } } );
jQuery.fn.extend( { detach: function( selector ) { return remove( this, selector, true ); },
remove: function( selector ) { return remove( this, selector ); },
text: function( value ) { return access( this, function( value ) { return value === undefined ? jQuery.text( this ) : this.empty().each( function() { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { this.textContent = value; } } ); }, null, value, arguments.length ); },
append: function() { return domManip( this, arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.appendChild( elem ); } } ); },
prepend: function() { return domManip( this, arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.insertBefore( elem, target.firstChild ); } } ); },
before: function() { return domManip( this, arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this ); } } ); },
after: function() { return domManip( this, arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this.nextSibling ); } } ); },
empty: function() { var elem, i = 0;
for ( ; ( elem = this[ i ] ) != null; i++ ) { if ( elem.nodeType === 1 ) {
// Prevent memory leaks
jQuery.cleanData( getAll( elem, false ) );
// Remove any remaining nodes
elem.textContent = ""; } }
return this; },
clone: function( dataAndEvents, deepDataAndEvents ) { dataAndEvents = dataAndEvents == null ? false : dataAndEvents; deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
return this.map( function() { return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); } ); },
html: function( value ) { return access( this, function( value ) { var elem = this[ 0 ] || {}, i = 0, l = this.length;
if ( value === undefined && elem.nodeType === 1 ) { return elem.innerHTML; }
// See if we can take a shortcut and just use innerHTML
if ( typeof value === "string" && !rnoInnerhtml.test( value ) && !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
value = jQuery.htmlPrefilter( value );
try { for ( ; i < l; i++ ) { elem = this[ i ] || {};
// Remove element nodes and prevent memory leaks
if ( elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem, false ) ); elem.innerHTML = value; } }
elem = 0;
// If using innerHTML throws an exception, use the fallback method
} catch ( e ) {} }
if ( elem ) { this.empty().append( value ); } }, null, value, arguments.length ); },
replaceWith: function() { var ignored = [];
// Make the changes, replacing each non-ignored context element with the new content
return domManip( this, arguments, function( elem ) { var parent = this.parentNode;
if ( jQuery.inArray( this, ignored ) < 0 ) { jQuery.cleanData( getAll( this ) ); if ( parent ) { parent.replaceChild( elem, this ); } }
// Force callback invocation
}, ignored ); } } );
jQuery.each( { appendTo: "append", prependTo: "prepend", insertBefore: "before", insertAfter: "after", replaceAll: "replaceWith" }, function( name, original ) { jQuery.fn[ name ] = function( selector ) { var elems, ret = [], insert = jQuery( selector ), last = insert.length - 1, i = 0;
for ( ; i <= last; i++ ) { elems = i === last ? this : this.clone( true ); jQuery( insert[ i ] )[ original ]( elems );
// Support: Android <=4.0 only, PhantomJS 1 only
// .get() because push.apply(_, arraylike) throws on ancient WebKit
push.apply( ret, elems.get() ); }
return this.pushStack( ret ); }; } ); var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
var getStyles = function( elem ) {
// Support: IE <=11 only, Firefox <=30 (#15098, #14150)
// IE throws on elements created in popups
// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
var view = elem.ownerDocument.defaultView;
if ( !view || !view.opener ) { view = window; }
return view.getComputedStyle( elem ); };
var rboxStyle = new RegExp( cssExpand.join( "|" ), "i" );
( function() {
// Executing both pixelPosition & boxSizingReliable tests require only one layout
// so they're executed at the same time to save the second computation.
function computeStyleTests() {
// This is a singleton, we need to execute it only once
if ( !div ) { return; }
container.style.cssText = "position:absolute;left:-11111px;width:60px;" + "margin-top:1px;padding:0;border:0"; div.style.cssText = "position:relative;display:block;box-sizing:border-box;overflow:scroll;" + "margin:auto;border:1px;padding:1px;" + "width:60%;top:1%"; documentElement.appendChild( container ).appendChild( div );
var divStyle = window.getComputedStyle( div ); pixelPositionVal = divStyle.top !== "1%";
// Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
reliableMarginLeftVal = roundPixelMeasures( divStyle.marginLeft ) === 12;
// Support: Android 4.0 - 4.3 only, Safari <=9.1 - 10.1, iOS <=7.0 - 9.3
// Some styles come back with percentage values, even though they shouldn't
div.style.right = "60%"; pixelBoxStylesVal = roundPixelMeasures( divStyle.right ) === 36;
// Support: IE 9 - 11 only
// Detect misreporting of content dimensions for box-sizing:border-box elements
boxSizingReliableVal = roundPixelMeasures( divStyle.width ) === 36;
// Support: IE 9 only
// Detect overflow:scroll screwiness (gh-3699)
div.style.position = "absolute"; scrollboxSizeVal = div.offsetWidth === 36 || "absolute";
documentElement.removeChild( container );
// Nullify the div so it wouldn't be stored in the memory and
// it will also be a sign that checks already performed
div = null; }
function roundPixelMeasures( measure ) { return Math.round( parseFloat( measure ) ); }
var pixelPositionVal, boxSizingReliableVal, scrollboxSizeVal, pixelBoxStylesVal, reliableMarginLeftVal, container = document.createElement( "div" ), div = document.createElement( "div" );
// Finish early in limited (non-browser) environments
if ( !div.style ) { return; }
// Support: IE <=9 - 11 only
// Style of cloned element affects source element cloned (#8908)
div.style.backgroundClip = "content-box"; div.cloneNode( true ).style.backgroundClip = ""; support.clearCloneStyle = div.style.backgroundClip === "content-box";
jQuery.extend( support, { boxSizingReliable: function() { computeStyleTests(); return boxSizingReliableVal; }, pixelBoxStyles: function() { computeStyleTests(); return pixelBoxStylesVal; }, pixelPosition: function() { computeStyleTests(); return pixelPositionVal; }, reliableMarginLeft: function() { computeStyleTests(); return reliableMarginLeftVal; }, scrollboxSize: function() { computeStyleTests(); return scrollboxSizeVal; } } ); } )();
function curCSS( elem, name, computed ) { var width, minWidth, maxWidth, ret,
// Support: Firefox 51+
// Retrieving style before computed somehow
// fixes an issue with getting wrong values
// on detached elements
style = elem.style;
computed = computed || getStyles( elem );
// getPropertyValue is needed for:
// .css('filter') (IE 9 only, #12537)
// .css('--customProperty) (#3144)
if ( computed ) { ret = computed.getPropertyValue( name ) || computed[ name ];
if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) { ret = jQuery.style( elem, name ); }
// A tribute to the "awesome hack by Dean Edwards"
// Android Browser returns percentage for some values,
// but width seems to be reliably pixels.
// This is against the CSSOM draft spec:
// https://drafts.csswg.org/cssom/#resolved-values
if ( !support.pixelBoxStyles() && rnumnonpx.test( ret ) && rboxStyle.test( name ) ) {
// Remember the original values
width = style.width; minWidth = style.minWidth; maxWidth = style.maxWidth;
// Put in the new values to get a computed value out
style.minWidth = style.maxWidth = style.width = ret; ret = computed.width;
// Revert the changed values
style.width = width; style.minWidth = minWidth; style.maxWidth = maxWidth; } }
return ret !== undefined ?
// Support: IE <=9 - 11 only
// IE returns zIndex value as an integer.
ret + "" : ret; }
function addGetHookIf( conditionFn, hookFn ) {
// Define the hook, we'll check on the first run if it's really needed.
return { get: function() { if ( conditionFn() ) {
// Hook not needed (or it's not possible to use it due
// to missing dependency), remove it.
delete this.get; return; }
// Hook needed; redefine it so that the support test is not executed again.
return ( this.get = hookFn ).apply( this, arguments ); } }; }
var
// Swappable if display is none or starts with table
// except "table", "table-cell", or "table-caption"
// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
rdisplayswap = /^(none|table(?!-c[ea]).+)/, rcustomProp = /^--/, cssShow = { position: "absolute", visibility: "hidden", display: "block" }, cssNormalTransform = { letterSpacing: "0", fontWeight: "400" },
cssPrefixes = [ "Webkit", "Moz", "ms" ], emptyStyle = document.createElement( "div" ).style;
// Return a css property mapped to a potentially vendor prefixed property
function vendorPropName( name ) {
// Shortcut for names that are not vendor prefixed
if ( name in emptyStyle ) { return name; }
// Check for vendor prefixed names
var capName = name[ 0 ].toUpperCase() + name.slice( 1 ), i = cssPrefixes.length;
while ( i-- ) { name = cssPrefixes[ i ] + capName; if ( name in emptyStyle ) { return name; } } }
// Return a property mapped along what jQuery.cssProps suggests or to
// a vendor prefixed property.
function finalPropName( name ) { var ret = jQuery.cssProps[ name ]; if ( !ret ) { ret = jQuery.cssProps[ name ] = vendorPropName( name ) || name; } return ret; }
function setPositiveNumber( elem, value, subtract ) {
// Any relative (+/-) values have already been
// normalized at this point
var matches = rcssNum.exec( value ); return matches ?
// Guard against undefined "subtract", e.g., when used as in cssHooks
Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) : value; }
function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) { var i = dimension === "width" ? 1 : 0, extra = 0, delta = 0;
// Adjustment may not be necessary
if ( box === ( isBorderBox ? "border" : "content" ) ) { return 0; }
for ( ; i < 4; i += 2 ) {
// Both box models exclude margin
if ( box === "margin" ) { delta += jQuery.css( elem, box + cssExpand[ i ], true, styles ); }
// If we get here with a content-box, we're seeking "padding" or "border" or "margin"
if ( !isBorderBox ) {
// Add padding
delta += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
// For "border" or "margin", add border
if ( box !== "padding" ) { delta += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
// But still keep track of it otherwise
} else { extra += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); }
// If we get here with a border-box (content + padding + border), we're seeking "content" or
// "padding" or "margin"
} else {
// For "content", subtract padding
if ( box === "content" ) { delta -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); }
// For "content" or "padding", subtract border
if ( box !== "margin" ) { delta -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } } }
// Account for positive content-box scroll gutter when requested by providing computedVal
if ( !isBorderBox && computedVal >= 0 ) {
// offsetWidth/offsetHeight is a rounded sum of content, padding, scroll gutter, and border
// Assuming integer scroll gutter, subtract the rest and round down
delta += Math.max( 0, Math.ceil( elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - computedVal - delta - extra - 0.5 ) ); }
return delta; }
function getWidthOrHeight( elem, dimension, extra ) {
// Start with computed style
var styles = getStyles( elem ), val = curCSS( elem, dimension, styles ), isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box", valueIsBorderBox = isBorderBox;
// Support: Firefox <=54
// Return a confounding non-pixel value or feign ignorance, as appropriate.
if ( rnumnonpx.test( val ) ) { if ( !extra ) { return val; } val = "auto"; }
// Check for style in case a browser which returns unreliable values
// for getComputedStyle silently falls back to the reliable elem.style
valueIsBorderBox = valueIsBorderBox && ( support.boxSizingReliable() || val === elem.style[ dimension ] );
// Fall back to offsetWidth/offsetHeight when value is "auto"
// This happens for inline elements with no explicit setting (gh-3571)
// Support: Android <=4.1 - 4.3 only
// Also use offsetWidth/offsetHeight for misreported inline dimensions (gh-3602)
if ( val === "auto" || !parseFloat( val ) && jQuery.css( elem, "display", false, styles ) === "inline" ) {
val = elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ];
// offsetWidth/offsetHeight provide border-box values
valueIsBorderBox = true; }
// Normalize "" and auto
val = parseFloat( val ) || 0;
// Adjust for the element's box model
return ( val + boxModelAdjustment( elem, dimension, extra || ( isBorderBox ? "border" : "content" ), valueIsBorderBox, styles,
// Provide the current computed size to request scroll gutter calculation (gh-3589)
val ) ) + "px"; }
jQuery.extend( {
// Add in style property hooks for overriding the default
// behavior of getting and setting a style property
cssHooks: { opacity: { get: function( elem, computed ) { if ( computed ) {
// We should always get a number back from opacity
var ret = curCSS( elem, "opacity" ); return ret === "" ? "1" : ret; } } } },
// Don't automatically add "px" to these possibly-unitless properties
cssNumber: { "animationIterationCount": true, "columnCount": true, "fillOpacity": true, "flexGrow": true, "flexShrink": true, "fontWeight": true, "lineHeight": true, "opacity": true, "order": true, "orphans": true, "widows": true, "zIndex": true, "zoom": true },
// Add in properties whose names you wish to fix before
// setting or getting the value
cssProps: {},
// Get and set the style property on a DOM Node
style: function( elem, name, value, extra ) {
// Don't set styles on text and comment nodes
if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { return; }
// Make sure that we're working with the right name
var ret, type, hooks, origName = camelCase( name ), isCustomProp = rcustomProp.test( name ), style = elem.style;
// Make sure that we're working with the right name. We don't
// want to query the value if it is a CSS custom property
// since they are user-defined.
if ( !isCustomProp ) { name = finalPropName( origName ); }
// Gets hook for the prefixed version, then unprefixed version
hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
// Check if we're setting a value
if ( value !== undefined ) { type = typeof value;
// Convert "+=" or "-=" to relative numbers (#7345)
if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) { value = adjustCSS( elem, name, ret );
// Fixes bug #9237
type = "number"; }
// Make sure that null and NaN values aren't set (#7116)
if ( value == null || value !== value ) { return; }
// If a number was passed in, add the unit (except for certain CSS properties)
if ( type === "number" ) { value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" ); }
// background-* props affect original clone's values
if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { style[ name ] = "inherit"; }
// If a hook was provided, use that value, otherwise just set the specified value
if ( !hooks || !( "set" in hooks ) || ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
if ( isCustomProp ) { style.setProperty( name, value ); } else { style[ name ] = value; } }
} else {
// If a hook was provided get the non-computed value from there
if ( hooks && "get" in hooks && ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
return ret; }
// Otherwise just get the value from the style object
return style[ name ]; } },
css: function( elem, name, extra, styles ) { var val, num, hooks, origName = camelCase( name ), isCustomProp = rcustomProp.test( name );
// Make sure that we're working with the right name. We don't
// want to modify the value if it is a CSS custom property
// since they are user-defined.
if ( !isCustomProp ) { name = finalPropName( origName ); }
// Try prefixed name followed by the unprefixed name
hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
// If a hook was provided get the computed value from there
if ( hooks && "get" in hooks ) { val = hooks.get( elem, true, extra ); }
// Otherwise, if a way to get the computed value exists, use that
if ( val === undefined ) { val = curCSS( elem, name, styles ); }
// Convert "normal" to computed value
if ( val === "normal" && name in cssNormalTransform ) { val = cssNormalTransform[ name ]; }
// Make numeric if forced or a qualifier was provided and val looks numeric
if ( extra === "" || extra ) { num = parseFloat( val ); return extra === true || isFinite( num ) ? num || 0 : val; }
return val; } } );
jQuery.each( [ "height", "width" ], function( i, dimension ) { jQuery.cssHooks[ dimension ] = { get: function( elem, computed, extra ) { if ( computed ) {
// Certain elements can have dimension info if we invisibly show them
// but it must have a current display style that would benefit
return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
// Support: Safari 8+
// Table columns in Safari have non-zero offsetWidth & zero
// getBoundingClientRect().width unless display is changed.
// Support: IE <=11 only
// Running getBoundingClientRect on a disconnected node
// in IE throws an error.
( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ? swap( elem, cssShow, function() { return getWidthOrHeight( elem, dimension, extra ); } ) : getWidthOrHeight( elem, dimension, extra ); } },
set: function( elem, value, extra ) { var matches, styles = getStyles( elem ), isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box", subtract = extra && boxModelAdjustment( elem, dimension, extra, isBorderBox, styles );
// Account for unreliable border-box dimensions by comparing offset* to computed and
// faking a content-box to get border and padding (gh-3699)
if ( isBorderBox && support.scrollboxSize() === styles.position ) { subtract -= Math.ceil( elem[ "offset" + dimension[ 0 ].toUpperCase() + dimension.slice( 1 ) ] - parseFloat( styles[ dimension ] ) - boxModelAdjustment( elem, dimension, "border", false, styles ) - 0.5 ); }
// Convert to pixels if value adjustment is needed
if ( subtract && ( matches = rcssNum.exec( value ) ) && ( matches[ 3 ] || "px" ) !== "px" ) {
elem.style[ dimension ] = value; value = jQuery.css( elem, dimension ); }
return setPositiveNumber( elem, value, subtract ); } }; } );
jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft, function( elem, computed ) { if ( computed ) { return ( parseFloat( curCSS( elem, "marginLeft" ) ) || elem.getBoundingClientRect().left - swap( elem, { marginLeft: 0 }, function() { return elem.getBoundingClientRect().left; } ) ) + "px"; } } );
// These hooks are used by animate to expand properties
jQuery.each( { margin: "", padding: "", border: "Width" }, function( prefix, suffix ) { jQuery.cssHooks[ prefix + suffix ] = { expand: function( value ) { var i = 0, expanded = {},
// Assumes a single number if not a string
parts = typeof value === "string" ? value.split( " " ) : [ value ];
for ( ; i < 4; i++ ) { expanded[ prefix + cssExpand[ i ] + suffix ] = parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; }
return expanded; } };
if ( prefix !== "margin" ) { jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; } } );
jQuery.fn.extend( { css: function( name, value ) { return access( this, function( elem, name, value ) { var styles, len, map = {}, i = 0;
if ( Array.isArray( name ) ) { styles = getStyles( elem ); len = name.length;
for ( ; i < len; i++ ) { map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); }
return map; }
return value !== undefined ? jQuery.style( elem, name, value ) : jQuery.css( elem, name ); }, name, value, arguments.length > 1 ); } } );
// Based off of the plugin by Clint Helfers, with permission.
// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
jQuery.fn.delay = function( time, type ) { time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time; type = type || "fx";
return this.queue( type, function( next, hooks ) { var timeout = window.setTimeout( next, time ); hooks.stop = function() { window.clearTimeout( timeout ); }; } ); };
( function() { var input = document.createElement( "input" ), select = document.createElement( "select" ), opt = select.appendChild( document.createElement( "option" ) );
input.type = "checkbox";
// Support: Android <=4.3 only
// Default value for a checkbox should be "on"
support.checkOn = input.value !== "";
// Support: IE <=11 only
// Must access selectedIndex to make default options select
support.optSelected = opt.selected;
// Support: IE <=11 only
// An input loses its value after becoming a radio
input = document.createElement( "input" ); input.value = "t"; input.type = "radio"; support.radioValue = input.value === "t"; } )();
var boolHook, attrHandle = jQuery.expr.attrHandle;
jQuery.fn.extend( { attr: function( name, value ) { return access( this, jQuery.attr, name, value, arguments.length > 1 ); },
removeAttr: function( name ) { return this.each( function() { jQuery.removeAttr( this, name ); } ); } } );
jQuery.extend( { attr: function( elem, name, value ) { var ret, hooks, nType = elem.nodeType;
// Don't get/set attributes on text, comment and attribute nodes
if ( nType === 3 || nType === 8 || nType === 2 ) { return; }
// Fallback to prop when attributes are not supported
if ( typeof elem.getAttribute === "undefined" ) { return jQuery.prop( elem, name, value ); }
// Attribute hooks are determined by the lowercase version
// Grab necessary hook if one is defined
if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { hooks = jQuery.attrHooks[ name.toLowerCase() ] || ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined ); }
if ( value !== undefined ) { if ( value === null ) { jQuery.removeAttr( elem, name ); return; }
if ( hooks && "set" in hooks && ( ret = hooks.set( elem, value, name ) ) !== undefined ) { return ret; }
elem.setAttribute( name, value + "" ); return value; }
if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { return ret; }
ret = jQuery.find.attr( elem, name );
// Non-existent attributes return null, we normalize to undefined
return ret == null ? undefined : ret; },
attrHooks: { type: { set: function( elem, value ) { if ( !support.radioValue && value === "radio" && nodeName( elem, "input" ) ) { var val = elem.value; elem.setAttribute( "type", value ); if ( val ) { elem.value = val; } return value; } } } },
removeAttr: function( elem, value ) { var name, i = 0,
// Attribute names can contain non-HTML whitespace characters
// https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
attrNames = value && value.match( rnothtmlwhite );
if ( attrNames && elem.nodeType === 1 ) { while ( ( name = attrNames[ i++ ] ) ) { elem.removeAttribute( name ); } } } } );
// Hooks for boolean attributes
boolHook = { set: function( elem, value, name ) { if ( value === false ) {
// Remove boolean attributes when set to false
jQuery.removeAttr( elem, name ); } else { elem.setAttribute( name, name ); } return name; } };
jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) { var getter = attrHandle[ name ] || jQuery.find.attr;
attrHandle[ name ] = function( elem, name, isXML ) { var ret, handle, lowercaseName = name.toLowerCase();
if ( !isXML ) {
// Avoid an infinite loop by temporarily removing this function from the getter
handle = attrHandle[ lowercaseName ]; attrHandle[ lowercaseName ] = ret; ret = getter( elem, name, isXML ) != null ? lowercaseName : null; attrHandle[ lowercaseName ] = handle; } return ret; }; } );
var rfocusable = /^(?:input|select|textarea|button)$/i, rclickable = /^(?:a|area)$/i;
jQuery.fn.extend( { prop: function( name, value ) { return access( this, jQuery.prop, name, value, arguments.length > 1 ); },
removeProp: function( name ) { return this.each( function() { delete this[ jQuery.propFix[ name ] || name ]; } ); } } );
jQuery.extend( { prop: function( elem, name, value ) { var ret, hooks, nType = elem.nodeType;
// Don't get/set properties on text, comment and attribute nodes
if ( nType === 3 || nType === 8 || nType === 2 ) { return; }
if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
// Fix name and attach hooks
name = jQuery.propFix[ name ] || name; hooks = jQuery.propHooks[ name ]; }
if ( value !== undefined ) { if ( hooks && "set" in hooks && ( ret = hooks.set( elem, value, name ) ) !== undefined ) { return ret; }
return ( elem[ name ] = value ); }
if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { return ret; }
return elem[ name ]; },
propHooks: { tabIndex: { get: function( elem ) {
// Support: IE <=9 - 11 only
// elem.tabIndex doesn't always return the
// correct value when it hasn't been explicitly set
// https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
// Use proper attribute retrieval(#12072)
var tabindex = jQuery.find.attr( elem, "tabindex" );
if ( tabindex ) { return parseInt( tabindex, 10 ); }
if ( rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ) { return 0; }
return -1; } } },
propFix: { "for": "htmlFor", "class": "className" } } );
// Support: IE <=11 only
// Accessing the selectedIndex property
// forces the browser to respect setting selected
// on the option
// The getter ensures a default option is selected
// when in an optgroup
// eslint rule "no-unused-expressions" is disabled for this code
// since it considers such accessions noop
if ( !support.optSelected ) { jQuery.propHooks.selected = { get: function( elem ) {
/* eslint no-unused-expressions: "off" */
var parent = elem.parentNode; if ( parent && parent.parentNode ) { parent.parentNode.selectedIndex; } return null; }, set: function( elem ) {
/* eslint no-unused-expressions: "off" */
var parent = elem.parentNode; if ( parent ) { parent.selectedIndex;
if ( parent.parentNode ) { parent.parentNode.selectedIndex; } } } }; }
jQuery.each( [ "tabIndex", "readOnly", "maxLength", "cellSpacing", "cellPadding", "rowSpan", "colSpan", "useMap", "frameBorder", "contentEditable" ], function() { jQuery.propFix[ this.toLowerCase() ] = this; } );
// Strip and collapse whitespace according to HTML spec
// https://infra.spec.whatwg.org/#strip-and-collapse-ascii-whitespace
function stripAndCollapse( value ) { var tokens = value.match( rnothtmlwhite ) || []; return tokens.join( " " ); }
function getClass( elem ) { return elem.getAttribute && elem.getAttribute( "class" ) || ""; }
function classesToArray( value ) { if ( Array.isArray( value ) ) { return value; } if ( typeof value === "string" ) { return value.match( rnothtmlwhite ) || []; } return []; }
jQuery.fn.extend( { addClass: function( value ) { var classes, elem, cur, curValue, clazz, j, finalValue, i = 0;
if ( isFunction( value ) ) { return this.each( function( j ) { jQuery( this ).addClass( value.call( this, j, getClass( this ) ) ); } ); }
classes = classesToArray( value );
if ( classes.length ) { while ( ( elem = this[ i++ ] ) ) { curValue = getClass( elem ); cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
if ( cur ) { j = 0; while ( ( clazz = classes[ j++ ] ) ) { if ( cur.indexOf( " " + clazz + " " ) < 0 ) { cur += clazz + " "; } }
// Only assign if different to avoid unneeded rendering.
finalValue = stripAndCollapse( cur ); if ( curValue !== finalValue ) { elem.setAttribute( "class", finalValue ); } } } }
return this; },
removeClass: function( value ) { var classes, elem, cur, curValue, clazz, j, finalValue, i = 0;
if ( isFunction( value ) ) { return this.each( function( j ) { jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); } ); }
if ( !arguments.length ) { return this.attr( "class", "" ); }
classes = classesToArray( value );
if ( classes.length ) { while ( ( elem = this[ i++ ] ) ) { curValue = getClass( elem );
// This expression is here for better compressibility (see addClass)
cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
if ( cur ) { j = 0; while ( ( clazz = classes[ j++ ] ) ) {
// Remove *all* instances
while ( cur.indexOf( " " + clazz + " " ) > -1 ) { cur = cur.replace( " " + clazz + " ", " " ); } }
// Only assign if different to avoid unneeded rendering.
finalValue = stripAndCollapse( cur ); if ( curValue !== finalValue ) { elem.setAttribute( "class", finalValue ); } } } }
return this; },
toggleClass: function( value, stateVal ) { var type = typeof value, isValidValue = type === "string" || Array.isArray( value );
if ( typeof stateVal === "boolean" && isValidValue ) { return stateVal ? this.addClass( value ) : this.removeClass( value ); }
if ( isFunction( value ) ) { return this.each( function( i ) { jQuery( this ).toggleClass( value.call( this, i, getClass( this ), stateVal ), stateVal ); } ); }
return this.each( function() { var className, i, self, classNames;
if ( isValidValue ) {
// Toggle individual class names
i = 0; self = jQuery( this ); classNames = classesToArray( value );
while ( ( className = classNames[ i++ ] ) ) {
// Check each className given, space separated list
if ( self.hasClass( className ) ) { self.removeClass( className ); } else { self.addClass( className ); } }
// Toggle whole class name
} else if ( value === undefined || type === "boolean" ) { className = getClass( this ); if ( className ) {
// Store className if set
dataPriv.set( this, "__className__", className ); }
// If the element has a class name or if we're passed `false`,
// then remove the whole classname (if there was one, the above saved it).
// Otherwise bring back whatever was previously saved (if anything),
// falling back to the empty string if nothing was stored.
if ( this.setAttribute ) { this.setAttribute( "class", className || value === false ? "" : dataPriv.get( this, "__className__" ) || "" ); } } } ); },
hasClass: function( selector ) { var className, elem, i = 0;
className = " " + selector + " "; while ( ( elem = this[ i++ ] ) ) { if ( elem.nodeType === 1 && ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) { return true; } }
return false; } } );
var rreturn = /\r/g;
jQuery.fn.extend( { val: function( value ) { var hooks, ret, valueIsFunction, elem = this[ 0 ];
if ( !arguments.length ) { if ( elem ) { hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
if ( hooks && "get" in hooks && ( ret = hooks.get( elem, "value" ) ) !== undefined ) { return ret; }
ret = elem.value;
// Handle most common string cases
if ( typeof ret === "string" ) { return ret.replace( rreturn, "" ); }
// Handle cases where value is null/undef or number
return ret == null ? "" : ret; }
return; }
valueIsFunction = isFunction( value );
return this.each( function( i ) { var val;
if ( this.nodeType !== 1 ) { return; }
if ( valueIsFunction ) { val = value.call( this, i, jQuery( this ).val() ); } else { val = value; }
// Treat null/undefined as ""; convert numbers to string
if ( val == null ) { val = "";
} else if ( typeof val === "number" ) { val += "";
} else if ( Array.isArray( val ) ) { val = jQuery.map( val, function( value ) { return value == null ? "" : value + ""; } ); }
hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
// If set returns undefined, fall back to normal setting
if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) { this.value = val; } } ); } } );
jQuery.extend( { valHooks: { option: { get: function( elem ) {
var val = jQuery.find.attr( elem, "value" ); return val != null ? val :
// Support: IE <=10 - 11 only
// option.text throws exceptions (#14686, #14858)
// Strip and collapse whitespace
// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
stripAndCollapse( jQuery.text( elem ) ); } }, select: { get: function( elem ) { var value, option, i, options = elem.options, index = elem.selectedIndex, one = elem.type === "select-one", values = one ? null : [], max = one ? index + 1 : options.length;
if ( index < 0 ) { i = max;
} else { i = one ? index : 0; }
// Loop through all the selected options
for ( ; i < max; i++ ) { option = options[ i ];
// Support: IE <=9 only
// IE8-9 doesn't update selected after form reset (#2551)
if ( ( option.selected || i === index ) &&
// Don't return options that are disabled or in a disabled optgroup
!option.disabled && ( !option.parentNode.disabled || !nodeName( option.parentNode, "optgroup" ) ) ) {
// Get the specific value for the option
value = jQuery( option ).val();
// We don't need an array for one selects
if ( one ) { return value; }
// Multi-Selects return an array
values.push( value ); } }
return values; },
set: function( elem, value ) { var optionSet, option, options = elem.options, values = jQuery.makeArray( value ), i = options.length;
while ( i-- ) { option = options[ i ];
/* eslint-disable no-cond-assign */
if ( option.selected = jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 ) { optionSet = true; }
/* eslint-enable no-cond-assign */ }
// Force browsers to behave consistently when non-matching value is set
if ( !optionSet ) { elem.selectedIndex = -1; } return values; } } } } );
// Radios and checkboxes getter/setter
jQuery.each( [ "radio", "checkbox" ], function() { jQuery.valHooks[ this ] = { set: function( elem, value ) { if ( Array.isArray( value ) ) { return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 ); } } }; if ( !support.checkOn ) { jQuery.valHooks[ this ].get = function( elem ) { return elem.getAttribute( "value" ) === null ? "on" : elem.value; }; } } );
// Return jQuery for attributes-only inclusion
support.focusin = "onfocusin" in window;
var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, stopPropagationCallback = function( e ) { e.stopPropagation(); };
jQuery.extend( jQuery.event, {
trigger: function( event, data, elem, onlyHandlers ) {
var i, cur, tmp, bubbleType, ontype, handle, special, lastElement, eventPath = [ elem || document ], type = hasOwn.call( event, "type" ) ? event.type : event, namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
cur = lastElement = tmp = elem = elem || document;
// Don't do events on text and comment nodes
if ( elem.nodeType === 3 || elem.nodeType === 8 ) { return; }
// focus/blur morphs to focusin/out; ensure we're not firing them right now
if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { return; }
if ( type.indexOf( "." ) > -1 ) {
// Namespaced trigger; create a regexp to match event type in handle()
namespaces = type.split( "." ); type = namespaces.shift(); namespaces.sort(); } ontype = type.indexOf( ":" ) < 0 && "on" + type;
// Caller can pass in a jQuery.Event object, Object, or just an event type string
event = event[ jQuery.expando ] ? event : new jQuery.Event( type, typeof event === "object" && event );
// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
event.isTrigger = onlyHandlers ? 2 : 3; event.namespace = namespaces.join( "." ); event.rnamespace = event.namespace ? new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) : null;
// Clean up the event in case it is being reused
event.result = undefined; if ( !event.target ) { event.target = elem; }
// Clone any incoming data and prepend the event, creating the handler arg list
data = data == null ? [ event ] : jQuery.makeArray( data, [ event ] );
// Allow special events to draw outside the lines
special = jQuery.event.special[ type ] || {}; if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { return; }
// Determine event propagation path in advance, per W3C events spec (#9951)
// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
bubbleType = special.delegateType || type; if ( !rfocusMorph.test( bubbleType + type ) ) { cur = cur.parentNode; } for ( ; cur; cur = cur.parentNode ) { eventPath.push( cur ); tmp = cur; }
// Only add window if we got to document (e.g., not plain obj or detached DOM)
if ( tmp === ( elem.ownerDocument || document ) ) { eventPath.push( tmp.defaultView || tmp.parentWindow || window ); } }
// Fire handlers on the event path
i = 0; while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) { lastElement = cur; event.type = i > 1 ? bubbleType : special.bindType || type;
// jQuery handler
handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] && dataPriv.get( cur, "handle" ); if ( handle ) { handle.apply( cur, data ); }
// Native handler
handle = ontype && cur[ ontype ]; if ( handle && handle.apply && acceptData( cur ) ) { event.result = handle.apply( cur, data ); if ( event.result === false ) { event.preventDefault(); } } } event.type = type;
// If nobody prevented the default action, do it now
if ( !onlyHandlers && !event.isDefaultPrevented() ) {
if ( ( !special._default || special._default.apply( eventPath.pop(), data ) === false ) && acceptData( elem ) ) {
// Call a native DOM method on the target with the same name as the event.
// Don't do default actions on window, that's where global variables be (#6170)
if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
// Don't re-trigger an onFOO event when we call its FOO() method
tmp = elem[ ontype ];
if ( tmp ) { elem[ ontype ] = null; }
// Prevent re-triggering of the same event, since we already bubbled it above
jQuery.event.triggered = type;
if ( event.isPropagationStopped() ) { lastElement.addEventListener( type, stopPropagationCallback ); }
elem[ type ]();
if ( event.isPropagationStopped() ) { lastElement.removeEventListener( type, stopPropagationCallback ); }
jQuery.event.triggered = undefined;
if ( tmp ) { elem[ ontype ] = tmp; } } } }
return event.result; },
// Piggyback on a donor event to simulate a different one
// Used only for `focus(in | out)` events
simulate: function( type, elem, event ) { var e = jQuery.extend( new jQuery.Event(), event, { type: type, isSimulated: true } );
jQuery.event.trigger( e, null, elem ); }
} );
jQuery.fn.extend( {
trigger: function( type, data ) { return this.each( function() { jQuery.event.trigger( type, data, this ); } ); }, triggerHandler: function( type, data ) { var elem = this[ 0 ]; if ( elem ) { return jQuery.event.trigger( type, data, elem, true ); } } } );
// Support: Firefox <=44
// Firefox doesn't have focus(in | out) events
// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
//
// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
// focus(in | out) events fire after focus & blur events,
// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
if ( !support.focusin ) { jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
// Attach a single capturing handler on the document while someone wants focusin/focusout
var handler = function( event ) { jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) ); };
jQuery.event.special[ fix ] = { setup: function() { var doc = this.ownerDocument || this, attaches = dataPriv.access( doc, fix );
if ( !attaches ) { doc.addEventListener( orig, handler, true ); } dataPriv.access( doc, fix, ( attaches || 0 ) + 1 ); }, teardown: function() { var doc = this.ownerDocument || this, attaches = dataPriv.access( doc, fix ) - 1;
if ( !attaches ) { doc.removeEventListener( orig, handler, true ); dataPriv.remove( doc, fix );
} else { dataPriv.access( doc, fix, attaches ); } } }; } ); }
var rbracket = /\[\]$/, rCRLF = /\r?\n/g, rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i, rsubmittable = /^(?:input|select|textarea|keygen)/i;
function buildParams( prefix, obj, traditional, add ) { var name;
if ( Array.isArray( obj ) ) {
// Serialize array item.
jQuery.each( obj, function( i, v ) { if ( traditional || rbracket.test( prefix ) ) {
// Treat each array item as a scalar.
add( prefix, v );
} else {
// Item is non-scalar (array or object), encode its numeric index.
buildParams( prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]", v, traditional, add ); } } );
} else if ( !traditional && toType( obj ) === "object" ) {
// Serialize object item.
for ( name in obj ) { buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); }
} else {
// Serialize scalar item.
add( prefix, obj ); } }
// Serialize an array of form elements or a set of
// key/values into a query string
jQuery.param = function( a, traditional ) { var prefix, s = [], add = function( key, valueOrFunction ) {
// If value is a function, invoke it and use its return value
var value = isFunction( valueOrFunction ) ? valueOrFunction() : valueOrFunction;
s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value == null ? "" : value ); };
// If an array was passed in, assume that it is an array of form elements.
if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
// Serialize the form elements
jQuery.each( a, function() { add( this.name, this.value ); } );
} else {
// If traditional, encode the "old" way (the way 1.3.2 or older
// did it), otherwise encode params recursively.
for ( prefix in a ) { buildParams( prefix, a[ prefix ], traditional, add ); } }
// Return the resulting serialization
return s.join( "&" ); };
jQuery.fn.extend( { serialize: function() { return jQuery.param( this.serializeArray() ); }, serializeArray: function() { return this.map( function() {
// Can add propHook for "elements" to filter or add form elements
var elements = jQuery.prop( this, "elements" ); return elements ? jQuery.makeArray( elements ) : this; } ) .filter( function() { var type = this.type;
// Use .is( ":disabled" ) so that fieldset[disabled] works
return this.name && !jQuery( this ).is( ":disabled" ) && rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && ( this.checked || !rcheckableType.test( type ) ); } ) .map( function( i, elem ) { var val = jQuery( this ).val();
if ( val == null ) { return null; }
if ( Array.isArray( val ) ) { return jQuery.map( val, function( val ) { return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; } ); }
return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; } ).get(); } } );
jQuery.fn.extend( { wrapAll: function( html ) { var wrap;
if ( this[ 0 ] ) { if ( isFunction( html ) ) { html = html.call( this[ 0 ] ); }
// The elements to wrap the target around
wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
if ( this[ 0 ].parentNode ) { wrap.insertBefore( this[ 0 ] ); }
wrap.map( function() { var elem = this;
while ( elem.firstElementChild ) { elem = elem.firstElementChild; }
return elem; } ).append( this ); }
return this; },
wrapInner: function( html ) { if ( isFunction( html ) ) { return this.each( function( i ) { jQuery( this ).wrapInner( html.call( this, i ) ); } ); }
return this.each( function() { var self = jQuery( this ), contents = self.contents();
if ( contents.length ) { contents.wrapAll( html );
} else { self.append( html ); } } ); },
wrap: function( html ) { var htmlIsFunction = isFunction( html );
return this.each( function( i ) { jQuery( this ).wrapAll( htmlIsFunction ? html.call( this, i ) : html ); } ); },
unwrap: function( selector ) { this.parent( selector ).not( "body" ).each( function() { jQuery( this ).replaceWith( this.childNodes ); } ); return this; } } );
jQuery.expr.pseudos.hidden = function( elem ) { return !jQuery.expr.pseudos.visible( elem ); }; jQuery.expr.pseudos.visible = function( elem ) { return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length ); };
// Support: Safari 8 only
// In Safari 8 documents created via document.implementation.createHTMLDocument
// collapse sibling forms: the second one becomes a child of the first one.
// Because of that, this security measure has to be disabled in Safari 8.
// https://bugs.webkit.org/show_bug.cgi?id=137337
support.createHTMLDocument = ( function() { var body = document.implementation.createHTMLDocument( "" ).body; body.innerHTML = "<form></form><form></form>"; return body.childNodes.length === 2; } )();
// Argument "data" should be string of html
// context (optional): If specified, the fragment will be created in this context,
// defaults to document
// keepScripts (optional): If true, will include scripts passed in the html string
jQuery.parseHTML = function( data, context, keepScripts ) { if ( typeof data !== "string" ) { return []; } if ( typeof context === "boolean" ) { keepScripts = context; context = false; }
var base, parsed, scripts;
if ( !context ) {
// Stop scripts or inline event handlers from being executed immediately
// by using document.implementation
if ( support.createHTMLDocument ) { context = document.implementation.createHTMLDocument( "" );
// Set the base href for the created document
// so any parsed elements with URLs
// are based on the document's URL (gh-2965)
base = context.createElement( "base" ); base.href = document.location.href; context.head.appendChild( base ); } else { context = document; } }
parsed = rsingleTag.exec( data ); scripts = !keepScripts && [];
// Single tag
if ( parsed ) { return [ context.createElement( parsed[ 1 ] ) ]; }
parsed = buildFragment( [ data ], context, scripts );
if ( scripts && scripts.length ) { jQuery( scripts ).remove(); }
return jQuery.merge( [], parsed.childNodes ); };
jQuery.offset = { setOffset: function( elem, options, i ) { var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition, position = jQuery.css( elem, "position" ), curElem = jQuery( elem ), props = {};
// Set position first, in-case top/left are set even on static elem
if ( position === "static" ) { elem.style.position = "relative"; }
curOffset = curElem.offset(); curCSSTop = jQuery.css( elem, "top" ); curCSSLeft = jQuery.css( elem, "left" ); calculatePosition = ( position === "absolute" || position === "fixed" ) && ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
// Need to be able to calculate position if either
// top or left is auto and position is either absolute or fixed
if ( calculatePosition ) { curPosition = curElem.position(); curTop = curPosition.top; curLeft = curPosition.left;
} else { curTop = parseFloat( curCSSTop ) || 0; curLeft = parseFloat( curCSSLeft ) || 0; }
if ( isFunction( options ) ) {
// Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
options = options.call( elem, i, jQuery.extend( {}, curOffset ) ); }
if ( options.top != null ) { props.top = ( options.top - curOffset.top ) + curTop; } if ( options.left != null ) { props.left = ( options.left - curOffset.left ) + curLeft; }
if ( "using" in options ) { options.using.call( elem, props );
} else { curElem.css( props ); } } };
jQuery.fn.extend( {
// offset() relates an element's border box to the document origin
offset: function( options ) {
// Preserve chaining for setter
if ( arguments.length ) { return options === undefined ? this : this.each( function( i ) { jQuery.offset.setOffset( this, options, i ); } ); }
var rect, win, elem = this[ 0 ];
if ( !elem ) { return; }
// Return zeros for disconnected and hidden (display: none) elements (gh-2310)
// Support: IE <=11 only
// Running getBoundingClientRect on a
// disconnected node in IE throws an error
if ( !elem.getClientRects().length ) { return { top: 0, left: 0 }; }
// Get document-relative position by adding viewport scroll to viewport-relative gBCR
rect = elem.getBoundingClientRect(); win = elem.ownerDocument.defaultView; return { top: rect.top + win.pageYOffset, left: rect.left + win.pageXOffset }; },
// position() relates an element's margin box to its offset parent's padding box
// This corresponds to the behavior of CSS absolute positioning
position: function() { if ( !this[ 0 ] ) { return; }
var offsetParent, offset, doc, elem = this[ 0 ], parentOffset = { top: 0, left: 0 };
// position:fixed elements are offset from the viewport, which itself always has zero offset
if ( jQuery.css( elem, "position" ) === "fixed" ) {
// Assume position:fixed implies availability of getBoundingClientRect
offset = elem.getBoundingClientRect();
} else { offset = this.offset();
// Account for the *real* offset parent, which can be the document or its root element
// when a statically positioned element is identified
doc = elem.ownerDocument; offsetParent = elem.offsetParent || doc.documentElement; while ( offsetParent && ( offsetParent === doc.body || offsetParent === doc.documentElement ) && jQuery.css( offsetParent, "position" ) === "static" ) {
offsetParent = offsetParent.parentNode; } if ( offsetParent && offsetParent !== elem && offsetParent.nodeType === 1 ) {
// Incorporate borders into its offset, since they are outside its content origin
parentOffset = jQuery( offsetParent ).offset(); parentOffset.top += jQuery.css( offsetParent, "borderTopWidth", true ); parentOffset.left += jQuery.css( offsetParent, "borderLeftWidth", true ); } }
// Subtract parent offsets and element margins
return { top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true ) }; },
// This method will return documentElement in the following cases:
// 1) For the element inside the iframe without offsetParent, this method will return
// documentElement of the parent window
// 2) For the hidden or detached element
// 3) For body or html element, i.e. in case of the html node - it will return itself
//
// but those exceptions were never presented as a real life use-cases
// and might be considered as more preferable results.
//
// This logic, however, is not guaranteed and can change at any point in the future
offsetParent: function() { return this.map( function() { var offsetParent = this.offsetParent;
while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) { offsetParent = offsetParent.offsetParent; }
return offsetParent || documentElement; } ); } } );
// Create scrollLeft and scrollTop methods
jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) { var top = "pageYOffset" === prop;
jQuery.fn[ method ] = function( val ) { return access( this, function( elem, method, val ) {
// Coalesce documents and windows
var win; if ( isWindow( elem ) ) { win = elem; } else if ( elem.nodeType === 9 ) { win = elem.defaultView; }
if ( val === undefined ) { return win ? win[ prop ] : elem[ method ]; }
if ( win ) { win.scrollTo( !top ? val : win.pageXOffset, top ? val : win.pageYOffset );
} else { elem[ method ] = val; } }, method, val, arguments.length ); }; } );
// Support: Safari <=7 - 9.1, Chrome <=37 - 49
// Add the top/left cssHooks using jQuery.fn.position
// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
// Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
// getComputedStyle returns percent when specified for top/left/bottom/right;
// rather than make the css module depend on the offset module, just check for it here
jQuery.each( [ "top", "left" ], function( i, prop ) { jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition, function( elem, computed ) { if ( computed ) { computed = curCSS( elem, prop );
// If curCSS returns percentage, fallback to offset
return rnumnonpx.test( computed ) ? jQuery( elem ).position()[ prop ] + "px" : computed; } } ); } );
// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
jQuery.each( { Height: "height", Width: "width" }, function( name, type ) { jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
// Margin is only for outerHeight, outerWidth
jQuery.fn[ funcName ] = function( margin, value ) { var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ), extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
return access( this, function( elem, type, value ) { var doc;
if ( isWindow( elem ) ) {
// $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
return funcName.indexOf( "outer" ) === 0 ? elem[ "inner" + name ] : elem.document.documentElement[ "client" + name ]; }
// Get document width or height
if ( elem.nodeType === 9 ) { doc = elem.documentElement;
// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
// whichever is greatest
return Math.max( elem.body[ "scroll" + name ], doc[ "scroll" + name ], elem.body[ "offset" + name ], doc[ "offset" + name ], doc[ "client" + name ] ); }
return value === undefined ?
// Get width or height on the element, requesting but not forcing parseFloat
jQuery.css( elem, type, extra ) :
// Set width or height on the element
jQuery.style( elem, type, value, extra ); }, type, chainable ? margin : undefined, chainable ); }; } ); } );
jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " + "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " + "change select submit keydown keypress keyup contextmenu" ).split( " " ), function( i, name ) {
// Handle event binding
jQuery.fn[ name ] = function( data, fn ) { return arguments.length > 0 ? this.on( name, null, data, fn ) : this.trigger( name ); }; } );
jQuery.fn.extend( { hover: function( fnOver, fnOut ) { return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); } } );
jQuery.fn.extend( {
bind: function( types, data, fn ) { return this.on( types, null, data, fn ); }, unbind: function( types, fn ) { return this.off( types, null, fn ); },
delegate: function( selector, types, data, fn ) { return this.on( types, selector, data, fn ); }, undelegate: function( selector, types, fn ) {
// ( namespace ) or ( selector, types [, fn] )
return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn ); } } );
// Bind a function to a context, optionally partially applying any
// arguments.
// jQuery.proxy is deprecated to promote standards (specifically Function#bind)
// However, it is not slated for removal any time soon
jQuery.proxy = function( fn, context ) { var tmp, args, proxy;
if ( typeof context === "string" ) { tmp = fn[ context ]; context = fn; fn = tmp; }
// Quick check to determine if target is callable, in the spec
// this throws a TypeError, but we will just return undefined.
if ( !isFunction( fn ) ) { return undefined; }
// Simulated bind
args = slice.call( arguments, 2 ); proxy = function() { return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); };
// Set the guid of unique handler to the same of original handler, so it can be removed
proxy.guid = fn.guid = fn.guid || jQuery.guid++;
return proxy; };
jQuery.holdReady = function( hold ) { if ( hold ) { jQuery.readyWait++; } else { jQuery.ready( true ); } }; jQuery.isArray = Array.isArray; jQuery.parseJSON = JSON.parse; jQuery.nodeName = nodeName; jQuery.isFunction = isFunction; jQuery.isWindow = isWindow; jQuery.camelCase = camelCase; jQuery.type = toType;
jQuery.now = Date.now;
jQuery.isNumeric = function( obj ) {
// As of jQuery 3.0, isNumeric is limited to
// strings and numbers (primitives or objects)
// that can be coerced to finite numbers (gh-2662)
var type = jQuery.type( obj ); return ( type === "number" || type === "string" ) &&
// parseFloat NaNs numeric-cast false positives ("")
// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
// subtraction forces infinities to NaN
!isNaN( obj - parseFloat( obj ) ); };
// Register as a named AMD module, since jQuery can be concatenated with other
// files that may use define, but not via a proper concatenation script that
// understands anonymous AMD modules. A named AMD is safest and most robust
// way to register. Lowercase jquery is used because AMD module names are
// derived from file names, and jQuery is normally delivered in a lowercase
// file name. Do this after creating the global so that if an AMD module wants
// to call noConflict to hide this version of jQuery, it will work.
// Note that for maximum portability, libraries that are not jQuery should
// declare themselves as anonymous modules, and avoid setting a global if an
// AMD loader is present. jQuery is a special case. For more information, see
// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
if ( typeof define === "function" && define.amd ) { define( "jquery", [], function() { return jQuery; } ); }
var
// Map over jQuery in case of overwrite
_jQuery = window.jQuery,
// Map over the $ in case of overwrite
_$ = window.$;
jQuery.noConflict = function( deep ) { if ( window.$ === jQuery ) { window.$ = _$; }
if ( deep && window.jQuery === jQuery ) { window.jQuery = _jQuery; }
return jQuery; };
// Expose jQuery and $ identifiers, even in AMD
// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
// and CommonJS for browser emulators (#13566)
if ( !noGlobal ) { window.jQuery = window.$ = jQuery; }
return jQuery; } );
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