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wp/wp-includes/js/jquery/jquery.js

changeset 21	48c4eec2b7e6
parent 18	be944660c56a

equal deleted inserted replaced

-:7b1b88e27a20
+:48c4eec2b7e6
 /*!
-* jQuery JavaScript Library v3.6.0
+* jQuery JavaScript Library v3.7.1
 * https://jquery.com/
-*
-* Includes Sizzle.js
-* https://sizzlejs.com/
 *
 * Copyright OpenJS Foundation and other contributors
 * Released under the MIT license
 * https://jquery.org/license
 *
-* Date: 2021-03-02T17:08Z
+* Date: 2023-08-28T13:37Z
 */
 ( function( global, factory ) {
 	"use strict";
 		// 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.
+		// See ticket trac-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" );
 // 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
+var version = "3.7.1",
-	version = "3.6.0",
+	rhtmlSuffix = /HTML$/i,
 	// Define a local copy of jQuery
 	jQuery = function( selector, context ) {
 		// The jQuery object is actually just the init constructor 'enhanced'
 		}
 		return obj;
 	},
+	// Retrieve the text value of an array of DOM nodes
+	text: 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 += jQuery.text( node );
+			}
+		}
+		if ( nodeType === 1 || nodeType === 11 ) {
+			return elem.textContent;
+		}
+		if ( nodeType === 9 ) {
+			return elem.documentElement.textContent;
+		}
+		if ( nodeType === 3 || nodeType === 4 ) {
+			return elem.nodeValue;
+		}
+		// Do not include comment or processing instruction nodes
+		return ret;
+	},
 	// results is for internal usage only
 	makeArray: function( arr, results ) {
 		var ret = results || [];
 		if ( arr != null ) {
 	inArray: function( elem, arr, i ) {
 		return arr == null ? -1 : indexOf.call( arr, elem, i );
 	},
+	isXMLDoc: function( elem ) {
+		var namespace = elem && elem.namespaceURI,
+			docElem = elem && ( elem.ownerDocument || elem ).documentElement;
+		// Assume HTML when documentElement doesn't yet exist, such as inside
+		// document fragments.
+		return !rhtmlSuffix.test( namespace || docElem && docElem.nodeName || "HTML" );
+	},
 	// 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,
 	}
 	return type === "array" || length === 0 ||
 		typeof length === "number" && length > 0 && ( length - 1 ) in obj;
 }
-var Sizzle =
-/*!
-* Sizzle CSS Selector Engine v2.3.6
+function nodeName( elem, name ) {
-* https://sizzlejs.com/
-*
+	return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
-* Copyright JS Foundation and other contributors
-* Released under the MIT license
+}
-* https://js.foundation/
+var pop = arr.pop;
-*
-* Date: 2021-02-16
-*/
+var sort = arr.sort;
-( function( window ) {
+var splice = arr.splice;
+var whitespace = "[\\x20\\t\\r\\n\\f]";
+var rtrimCSS = new RegExp(
+	"^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$",
+	"g"
+);
+// Note: an element does not contain itself
+jQuery.contains = function( a, b ) {
+	var bup = b && b.parentNode;
+	return a === bup || !!( bup && bup.nodeType === 1 && (
+		// Support: IE 9 - 11+
+		// IE doesn't have `contains` on SVG.
+		a.contains ?
+			a.contains( bup ) :
+			a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
+	) );
+};
+// CSS string/identifier serialization
+// https://drafts.csswg.org/cssom/#common-serializing-idioms
+var rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g;
+function fcssescape( 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;
+}
+jQuery.escapeSelector = function( sel ) {
+	return ( sel + "" ).replace( rcssescape, fcssescape );
+};
+var preferredDoc = document,
+	pushNative = push;
+( function() {
 var i,
-	support,
 	Expr,
-	getText,
-	isXML,
-	tokenize,
-	compile,
-	select,
 	outermostContext,
 	sortInput,
 	hasDuplicate,
+	push = pushNative,
 	// Local document vars
-	setDocument,
 	document,
-	docElem,
+	documentElement,
 	documentIsHTML,
 	rbuggyQSA,
-	rbuggyMatches,
 	matches,
-	contains,
 	// Instance-specific data
-	expando = "sizzle" + 1 * new Date(),
+	expando = jQuery.expando,
-	preferredDoc = window.document,
 	dirruns = 0,
 	done = 0,
 	classCache = createCache(),
 	tokenCache = createCache(),
 	compilerCache = createCache(),
 			hasDuplicate = true;
 		}
 		return 0;
 	},
-	// Instance methods
+	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|" +
-	hasOwn = ( {} ).hasOwnProperty,
+		"loop|multiple|open|readonly|required|scoped",
-	arr = [],
-	pop = arr.pop,
-	pushNative = 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]",
 	// https://www.w3.org/TR/css-syntax-3/#ident-token-diagram
 	identifier = "(?:\\\\[\\da-fA-F]{1,6}" + whitespace +
 		"?|\\\\[^\\r\\n\\f]|[\\w-]|[^\0-\\x7f])+",
-	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
+	// Attribute selectors: https://www.w3.org/TR/selectors/#attribute-selectors
 	attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
 		// Operator (capture 2)
 		"*([*^$|!~]?=)" + whitespace +
-		// "Attribute values must be CSS identifiers [capture 5]
+		// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
-		// or strings [capture 3 or capture 4]"
 		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" +
 		whitespace + "*\\]",
 	pseudos = ":(" + identifier + ")(?:\\((" +
 		".*" +
 		")\\)|)",
 	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
 	rwhitespace = new RegExp( whitespace + "+", "g" ),
-	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" +
-		whitespace + "+$", "g" ),
 	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
-	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace +
+	rleadingCombinator = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" +
-		"*" ),
+		whitespace + "*" ),
 	rdescend = new RegExp( whitespace + "|>" ),
 	rpseudo = new RegExp( pseudos ),
 	ridentifier = new RegExp( "^" + identifier + "$" ),
 	matchExpr = {
-		"ID": new RegExp( "^#(" + identifier + ")" ),
+		ID: new RegExp( "^#(" + identifier + ")" ),
-		"CLASS": new RegExp( "^\\.(" + identifier + ")" ),
+		CLASS: new RegExp( "^\\.(" + identifier + ")" ),
-		"TAG": new RegExp( "^(" + identifier + "|[*])" ),
+		TAG: new RegExp( "^(" + identifier + "|[*])" ),
-		"ATTR": new RegExp( "^" + attributes ),
+		ATTR: new RegExp( "^" + attributes ),
-		"PSEUDO": new RegExp( "^" + pseudos ),
+		PSEUDO: new RegExp( "^" + pseudos ),
-		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
+		CHILD: new RegExp(
-			whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
+			"^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" +
-			whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
+				whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" +
-		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
+				whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
+		bool: new RegExp( "^(?:" + booleans + ")$", "i" ),
 		// For use in libraries implementing .is()
 		// We use this for POS matching in `select`
-		"needsContext": new RegExp( "^" + whitespace +
+		needsContext: new RegExp( "^" + whitespace +
 			"*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace +
 			"*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
 	},
-	rhtml = /HTML$/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-]+))$/,
 	rsibling = /[+~]/,
 	// CSS escapes
-	// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
+	// https://www.w3.org/TR/CSS21/syndata.html#escaped-characters
-	runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace + "?|\\\\([^\\r\\n\\f])", "g" ),
+	runescape = new RegExp( "\\\\[\\da-fA-F]{1,6}" + whitespace +
+		"?|\\\\([^\\r\\n\\f])", "g" ),
 	funescape = function( escape, nonHex ) {
 		var high = "0x" + escape.slice( 1 ) - 0x10000;
-		return nonHex ?
+		if ( nonHex ) {
 			// Strip the backslash prefix from a non-hex escape sequence
-			nonHex :
+			return nonHex;
+		}
-			// Replace a hexadecimal escape sequence with the encoded Unicode code point
-			// Support: IE <=11+
+		// Replace a hexadecimal escape sequence with the encoded Unicode code point
-			// For values outside the Basic Multilingual Plane (BMP), manually construct a
+		// Support: IE <=11+
-			// surrogate pair
+		// For values outside the Basic Multilingual Plane (BMP), manually construct a
-			high < 0 ?
+		// surrogate pair
-				String.fromCharCode( high + 0x10000 ) :
+		return high < 0 ?
-				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
+			String.fromCharCode( high + 0x10000 ) :
-	},
+			String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
+	},
-	// CSS string/identifier serialization
-	// https://drafts.csswg.org/cssom/#common-serializing-idioms
+	// Used for iframes; see `setDocument`.
-	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
+	// Support: IE 9 - 11+, Edge 12 - 18+
-	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
+	// error in IE/Edge.
 	unloadHandler = function() {
 		setDocument();
 	},
 	inDisabledFieldset = addCombinator(
 		function( elem ) {
-			return elem.disabled === true && elem.nodeName.toLowerCase() === "fieldset";
+			return elem.disabled === true && nodeName( elem, "fieldset" );
 		},
 		{ dir: "parentNode", next: "legend" }
 	);
+// Support: IE <=9 only
+// Accessing document.activeElement can throw unexpectedly
+// https://bugs.jquery.com/ticket/13393
+function safeActiveElement() {
+	try {
+		return document.activeElement;
+	} catch ( err ) { }
+}
 // Optimize for push.apply( _, NodeList )
 try {
 	push.apply(
 		( arr = slice.call( preferredDoc.childNodes ) ),
 		preferredDoc.childNodes
 	);
-	// Support: Android<4.0
+	// Support: Android <=4.0
 	// Detect silently failing push.apply
 	// eslint-disable-next-line no-unused-expressions
 	arr[ preferredDoc.childNodes.length ].nodeType;
 } catch ( e ) {
-	push = { apply: arr.length ?
+	push = {
+		apply: function( target, els ) {
-		// Leverage slice if possible
-		function( target, els ) {
 			pushNative.apply( target, slice.call( els ) );
-		} :
+		},
+		call: function( target ) {
-		// Support: IE<9
+			pushNative.apply( target, slice.call( arguments, 1 ) );
-		// 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 ) {
+function find( 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;
 					// Document context
 					if ( nodeType === 9 ) {
 						if ( ( elem = context.getElementById( m ) ) ) {
-							// Support: IE, Opera, Webkit
+							// Support: IE 9 only
-							// TODO: identify versions
 							// getElementById can match elements by name instead of ID
 							if ( elem.id === m ) {
-								results.push( elem );
+								push.call( results, elem );
 								return results;
 							}
 						} else {
 							return results;
 						}
 					// Element context
 					} else {
-						// Support: IE, Opera, Webkit
+						// Support: IE 9 only
-						// TODO: identify versions
 						// getElementById can match elements by name instead of ID
 						if ( newContext && ( elem = newContext.getElementById( m ) ) &&
-							contains( context, elem ) &&
+							find.contains( context, elem ) &&
 							elem.id === m ) {
-							results.push( elem );
+							push.call( results, 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 &&
+				} else if ( ( m = match[ 3 ] ) && context.getElementsByClassName ) {
-					context.getElementsByClassName ) {
 					push.apply( results, context.getElementsByClassName( m ) );
 					return results;
 				}
 			}
 			// Take advantage of querySelectorAll
-			if ( support.qsa &&
+			if ( !nonnativeSelectorCache[ selector + " " ] &&
-				!nonnativeSelectorCache[ selector + " " ] &&
+				( !rbuggyQSA || !rbuggyQSA.test( selector ) ) ) {
-				( !rbuggyQSA || !rbuggyQSA.test( selector ) ) &&
-				// Support: IE 8 only
-				// Exclude object elements
-				( nodeType !== 1 || context.nodeName.toLowerCase() !== "object" ) ) {
 				newSelector = selector;
 				newContext = context;
 				// qSA considers elements outside a scoping root when evaluating child or
 				// list with an ID selector referencing the scope context.
 				// The technique has to be used as well when a leading combinator is used
 				// as such selectors are not recognized by querySelectorAll.
 				// Thanks to Andrew Dupont for this technique.
 				if ( nodeType === 1 &&
-					( rdescend.test( selector ) || rcombinators.test( selector ) ) ) {
+					( rdescend.test( selector ) || rleadingCombinator.test( selector ) ) ) {
 					// Expand context for sibling selectors
 					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
 						context;
 					// We can use :scope instead of the ID hack if the browser
 					// supports it & if we're not changing the context.
-					if ( newContext !== context || !support.scope ) {
+					// Support: IE 11+, Edge 17 - 18+
+					// IE/Edge sometimes throw a "Permission denied" error when
+					// strict-comparing two documents; shallow comparisons work.
+					// eslint-disable-next-line eqeqeq
+					if ( newContext != context || !support.scope ) {
 						// Capture the context ID, setting it first if necessary
 						if ( ( nid = context.getAttribute( "id" ) ) ) {
-							nid = nid.replace( rcssescape, fcssescape );
+							nid = jQuery.escapeSelector( nid );
 						} else {
 							context.setAttribute( "id", ( nid = expando ) );
 						}
 					}
 			}
 		}
 	}
 	// All others
-	return select( selector.replace( rtrim, "$1" ), context, results, seed );
+	return select( selector.replace( rtrimCSS, "$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
 function createCache() {
 	var keys = [];
 	function cache( key, value ) {
-		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
+		// Use (key + " ") to avoid collision with native prototype properties
+		// (see https://github.com/jquery/sizzle/issues/157)
 		if ( keys.push( key + " " ) > Expr.cacheLength ) {
 			// Only keep the most recent entries
 			delete cache[ keys.shift() ];
 		}
 	}
 	return cache;
 }
 /**
-* Mark a function for special use by Sizzle
+* Mark a function for special use by jQuery selector module
 * @param {Function} fn The function to mark
 */
 function markFunction( fn ) {
 	fn[ expando ] = true;
 	return fn;
 		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 nodeName( elem, "input" ) && elem.type === type;
-		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 ( nodeName( elem, "input" ) || nodeName( elem, "button" ) ) &&
-		return ( name === "input" || name === "button" ) && elem.type === type;
+			elem.type === type;
 	};
 }
 /**
 * Returns a function to use in pseudos for :enabled/:disabled
 					} else {
 						return elem.disabled === disabled;
 					}
 				}
-				// Support: IE 6 - 11
+				// 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 &&
-					inDisabledFieldset( elem ) === disabled;
+						inDisabledFieldset( elem ) === disabled;
 			}
 			return elem.disabled === disabled;
 		// Try to winnow out elements that can't be disabled before trusting the disabled property.
 		} );
 	} );
 }
 /**
-* Checks a node for validity as a Sizzle context
+* Checks a node for validity as a jQuery selector 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 ) {
-	var namespace = elem && elem.namespaceURI,
-		docElem = elem && ( elem.ownerDocument || elem ).documentElement;
-	// Support: IE <=8
-	// Assume HTML when documentElement doesn't yet exist, such as inside loading iframes
-	// https://bugs.jquery.com/ticket/4833
-	return !rhtml.test( namespace || docElem && docElem.nodeName || "HTML" );
-};
 /**
 * 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
+* @param {Element|Object} [node] An element or document object to use to set the document
 * @returns {Object} Returns the current document
 */
-setDocument = Sizzle.setDocument = function( node ) {
+function setDocument( node ) {
-	var hasCompare, subWindow,
+	var subWindow,
 		doc = node ? node.ownerDocument || node : preferredDoc;
 	// Return early if doc is invalid or already selected
 	// Support: IE 11+, Edge 17 - 18+
 	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
 		return document;
 	}
 	// Update global variables
 	document = doc;
-	docElem = document.documentElement;
+	documentElement = document.documentElement;
-	documentIsHTML = !isXML( document );
+	documentIsHTML = !jQuery.isXMLDoc( document );
+	// Support: iOS 7 only, IE 9 - 11+
+	// Older browsers didn't support unprefixed `matches`.
+	matches = documentElement.matches ||
+		documentElement.webkitMatchesSelector ||
+		documentElement.msMatchesSelector;
 	// Support: IE 9 - 11+, Edge 12 - 18+
-	// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
+	// Accessing iframe documents after unload throws "permission denied" errors
-	// Support: IE 11+, Edge 17 - 18+
+	// (see trac-13936).
-	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+	// Limit the fix to IE & Edge Legacy; despite Edge 15+ implementing `matches`,
-	// two documents; shallow comparisons work.
+	// all IE 9+ and Edge Legacy versions implement `msMatchesSelector` as well.
-	// eslint-disable-next-line eqeqeq
+	if ( documentElement.msMatchesSelector &&
-	if ( preferredDoc != document &&
+		// Support: IE 11+, Edge 17 - 18+
+		// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+		// two documents; shallow comparisons work.
+		// eslint-disable-next-line eqeqeq
+		preferredDoc != document &&
 		( subWindow = document.defaultView ) && subWindow.top !== subWindow ) {
-		// Support: IE 11, Edge
+		// Support: IE 9 - 11+, Edge 12 - 18+
-		if ( subWindow.addEventListener ) {
+		subWindow.addEventListener( "unload", unloadHandler );
-			subWindow.addEventListener( "unload", unloadHandler, false );
+	}
-		// Support: IE 9 - 10 only
+	// Support: IE <10
-		} else if ( subWindow.attachEvent ) {
-			subWindow.attachEvent( "onunload", unloadHandler );
-		}
-	}
-	// Support: IE 8 - 11+, Edge 12 - 18+, Chrome <=16 - 25 only, Firefox <=3.6 - 31 only,
-	// Safari 4 - 5 only, Opera <=11.6 - 12.x only
-	// IE/Edge & older browsers don't support the :scope pseudo-class.
-	// Support: Safari 6.0 only
-	// Safari 6.0 supports :scope but it's an alias of :root there.
-	support.scope = assert( function( el ) {
-		docElem.appendChild( el ).appendChild( document.createElement( "div" ) );
-		return typeof el.querySelectorAll !== "undefined" &&
-			!el.querySelectorAll( ":scope fieldset div" ).length;
-	} );
-	/* 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;
+		documentElement.appendChild( el ).id = jQuery.expando;
-		return !document.getElementsByName || !document.getElementsByName( expando ).length;
+		return !document.getElementsByName ||
+			!document.getElementsByName( jQuery.expando ).length;
+	} );
+	// Support: IE 9 only
+	// Check to see if it's possible to do matchesSelector
+	// on a disconnected node.
+	support.disconnectedMatch = assert( function( el ) {
+		return matches.call( el, "*" );
+	} );
+	// Support: IE 9 - 11+, Edge 12 - 18+
+	// IE/Edge don't support the :scope pseudo-class.
+	support.scope = assert( function() {
+		return document.querySelectorAll( ":scope" );
+	} );
+	// Support: Chrome 105 - 111 only, Safari 15.4 - 16.3 only
+	// Make sure the `:has()` argument is parsed unforgivingly.
+	// We include `*` in the test to detect buggy implementations that are
+	// _selectively_ forgiving (specifically when the list includes at least
+	// one valid selector).
+	// Note that we treat complete lack of support for `:has()` as if it were
+	// spec-compliant support, which is fine because use of `:has()` in such
+	// environments will fail in the qSA path and fall back to jQuery traversal
+	// anyway.
+	support.cssHas = assert( function() {
+		try {
+			document.querySelector( ":has(*,:jqfake)" );
+			return false;
+		} catch ( e ) {
+			return true;
+		}
 	} );
 	// ID filter and find
 	if ( support.getById ) {
-		Expr.filter[ "ID" ] = function( id ) {
+		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 ) {
+		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 ) {
+		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 ) {
+		Expr.find.ID = function( id, context ) {
 			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
 				var node, i, elems,
 					elem = context.getElementById( id );
 				if ( elem ) {
 			}
 		};
 	}
 	// Tag
-	Expr.find[ "TAG" ] = support.getElementsByTagName ?
+	Expr.find.TAG = function( tag, context ) {
-		function( tag, context ) {
+		if ( typeof context.getElementsByTagName !== "undefined" ) {
-			if ( typeof context.getElementsByTagName !== "undefined" ) {
+			return context.getElementsByTagName( tag );
-				return context.getElementsByTagName( tag );
+		// DocumentFragment nodes don't have gEBTN
-			// DocumentFragment nodes don't have gEBTN
+		} else {
-			} else if ( support.qsa ) {
+			return context.querySelectorAll( tag );
-				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 ) {
+	Expr.find.CLASS = 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
-		// Build QSA regex
+	assert( function( el ) {
-		// Regex strategy adopted from Diego Perini
-		assert( function( el ) {
+		var input;
-			var input;
+		documentElement.appendChild( el ).innerHTML =
+			"<a id='" + expando + "' href='' disabled='disabled'></a>" +
-			// Select is set to empty string on purpose
+			"<select id='" + expando + "-\r\\' disabled='disabled'>" +
-			// This is to test IE's treatment of not explicitly
+			"<option selected=''></option></select>";
-			// setting a boolean content attribute,
-			// since its presence should be enough
+		// Support: iOS <=7 - 8 only
-			// https://bugs.jquery.com/ticket/12359
+		// Boolean attributes and "value" are not treated correctly in some XML documents
-			docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
+		if ( !el.querySelectorAll( "[selected]" ).length ) {
-				"<select id='" + expando + "-\r\\' msallowcapture=''>" +
+			rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
-				"<option selected=''></option></select>";
+		}
-			// Support: IE8, Opera 11-12.16
+		// Support: iOS <=7 - 8 only
-			// Nothing should be selected when empty strings follow ^= or $= or *=
+		if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
-			// The test attribute must be unknown in Opera but "safe" for WinRT
+			rbuggyQSA.push( "~=" );
-			// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
+		}
-			if ( el.querySelectorAll( "[msallowcapture^='']" ).length ) {
-				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
+		// Support: iOS 8 only
-			}
+		// https://bugs.webkit.org/show_bug.cgi?id=136851
+		// In-page `selector#id sibling-combinator selector` fails
-			// Support: IE8
+		if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
-			// Boolean attributes and "value" are not treated correctly
+			rbuggyQSA.push( ".#.+[+~]" );
-			if ( !el.querySelectorAll( "[selected]" ).length ) {
+		}
-				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
-			}
+		// Support: Chrome <=105+, Firefox <=104+, Safari <=15.4+
+		// In some of the document kinds, these selectors wouldn't work natively.
-			// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
+		// This is probably OK but for backwards compatibility we want to maintain
-			if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
+		// handling them through jQuery traversal in jQuery 3.x.
-				rbuggyQSA.push( "~=" );
+		if ( !el.querySelectorAll( ":checked" ).length ) {
-			}
+			rbuggyQSA.push( ":checked" );
+		}
-			// Support: IE 11+, Edge 15 - 18+
-			// IE 11/Edge don't find elements on a `[name='']` query in some cases.
+		// Support: Windows 8 Native Apps
-			// Adding a temporary attribute to the document before the selection works
+		// The type and name attributes are restricted during .innerHTML assignment
-			// around the issue.
+		input = document.createElement( "input" );
-			// Interestingly, IE 10 & older don't seem to have the issue.
+		input.setAttribute( "type", "hidden" );
-			input = document.createElement( "input" );
+		el.appendChild( input ).setAttribute( "name", "D" );
-			input.setAttribute( "name", "" );
-			el.appendChild( input );
+		// Support: IE 9 - 11+
-			if ( !el.querySelectorAll( "[name='']" ).length ) {
+		// IE's :disabled selector does not pick up the children of disabled fieldsets
-				rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" +
+		// Support: Chrome <=105+, Firefox <=104+, Safari <=15.4+
-					whitespace + "*(?:''|\"\")" );
+		// In some of the document kinds, these selectors wouldn't work natively.
-			}
+		// This is probably OK but for backwards compatibility we want to maintain
+		// handling them through jQuery traversal in jQuery 3.x.
-			// Webkit/Opera - :checked should return selected option elements
+		documentElement.appendChild( el ).disabled = true;
-			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
+		if ( el.querySelectorAll( ":disabled" ).length !== 2 ) {
-			// IE8 throws error here and will not see later tests
+			rbuggyQSA.push( ":enabled", ":disabled" );
-			if ( !el.querySelectorAll( ":checked" ).length ) {
+		}
-				rbuggyQSA.push( ":checked" );
-			}
+		// Support: IE 11+, Edge 15 - 18+
+		// IE 11/Edge don't find elements on a `[name='']` query in some cases.
-			// Support: Safari 8+, iOS 8+
+		// Adding a temporary attribute to the document before the selection works
-			// https://bugs.webkit.org/show_bug.cgi?id=136851
+		// around the issue.
-			// In-page `selector#id sibling-combinator selector` fails
+		// Interestingly, IE 10 & older don't seem to have the issue.
-			if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
+		input = document.createElement( "input" );
-				rbuggyQSA.push( ".#.+[+~]" );
+		input.setAttribute( "name", "" );
-			}
+		el.appendChild( input );
+		if ( !el.querySelectorAll( "[name='']" ).length ) {
-			// Support: Firefox <=3.6 - 5 only
+			rbuggyQSA.push( "\\[" + whitespace + "*name" + whitespace + "*=" +
-			// Old Firefox doesn't throw on a badly-escaped identifier.
+				whitespace + "*(?:''|\"\")" );
-			el.querySelectorAll( "\\\f" );
+		}
-			rbuggyQSA.push( "[\\r\\n\\f]" );
+	} );
-		} );
+	if ( !support.cssHas ) {
-		assert( function( el ) {
-			el.innerHTML = "<a href='' disabled='disabled'></a>" +
+		// Support: Chrome 105 - 110+, Safari 15.4 - 16.3+
-				"<select disabled='disabled'><option/></select>";
+		// Our regular `try-catch` mechanism fails to detect natively-unsupported
+		// pseudo-classes inside `:has()` (such as `:has(:contains("Foo"))`)
-			// Support: Windows 8 Native Apps
+		// in browsers that parse the `:has()` argument as a forgiving selector list.
-			// The type and name attributes are restricted during .innerHTML assignment
+		// https://drafts.csswg.org/selectors/#relational now requires the argument
-			var input = document.createElement( "input" );
+		// to be parsed unforgivingly, but browsers have not yet fully adjusted.
-			input.setAttribute( "type", "hidden" );
+		rbuggyQSA.push( ":has" );
-			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" );
-			}
-			// Support: Opera 10 - 11 only
-			// 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 ?
+	sortOrder = function( a, b ) {
-	function( a, b ) {
 		// Flag for duplicate removal
 		if ( a === b ) {
 			hasDuplicate = true;
 			return 0;
 			// Choose the first element that is related to our preferred document
 			// Support: IE 11+, Edge 17 - 18+
 			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
 			// two documents; shallow comparisons work.
 			// eslint-disable-next-line eqeqeq
-			if ( a == document || a.ownerDocument == preferredDoc &&
+			if ( a === document || a.ownerDocument == preferredDoc &&
-				contains( preferredDoc, a ) ) {
+				find.contains( preferredDoc, a ) ) {
 				return -1;
 			}
 			// Support: IE 11+, Edge 17 - 18+
 			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
 			// two documents; shallow comparisons work.
 			// eslint-disable-next-line eqeqeq
-			if ( b == document || b.ownerDocument == preferredDoc &&
+			if ( b === document || b.ownerDocument == preferredDoc &&
-				contains( preferredDoc, b ) ) {
+				find.contains( preferredDoc, b ) ) {
 				return 1;
 			}
 			// Maintain original order
 			return sortInput ?
-				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
+				( indexOf.call( sortInput, a ) - indexOf.call( 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 ) {
-			// Support: IE 11+, Edge 17 - 18+
-			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-			// two documents; shallow comparisons work.
-			/* eslint-disable eqeqeq */
-			return a == document ? -1 :
-				b == document ? 1 :
-				/* eslint-enable eqeqeq */
-				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
-			// Support: IE 11+, Edge 17 - 18+
-			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
-			// two documents; shallow comparisons work.
-			/* eslint-disable eqeqeq */
-			ap[ i ] == preferredDoc ? -1 :
-			bp[ i ] == preferredDoc ? 1 :
-			/* eslint-enable eqeqeq */
-			0;
 	};
 	return document;
+}
+find.matches = function( expr, elements ) {
+	return find( expr, null, null, elements );
 };
-Sizzle.matches = function( expr, elements ) {
+find.matchesSelector = function( elem, expr ) {
-	return Sizzle( expr, null, null, elements );
-};
-Sizzle.matchesSelector = function( elem, expr ) {
 	setDocument( elem );
-	if ( support.matchesSelector && documentIsHTML &&
+	if ( documentIsHTML &&
 		!nonnativeSelectorCache[ expr + " " ] &&
-		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
+		( !rbuggyQSA || !rbuggyQSA.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
+					// As well, disconnected nodes are said to be in a document
-				// fragment in IE 9
+					// fragment in IE 9
-				elem.document && elem.document.nodeType !== 11 ) {
+					elem.document && elem.document.nodeType !== 11 ) {
 				return ret;
 			}
 		} catch ( e ) {
 			nonnativeSelectorCache( expr, true );
 		}
 	}
-	return Sizzle( expr, document, null, [ elem ] ).length > 0;
+	return find( expr, document, null, [ elem ] ).length > 0;
 };
-Sizzle.contains = function( context, elem ) {
+find.contains = function( context, elem ) {
 	// Set document vars if needed
 	// Support: IE 11+, Edge 17 - 18+
 	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
 	// two documents; shallow comparisons work.
 	// eslint-disable-next-line eqeqeq
 	if ( ( context.ownerDocument || context ) != document ) {
 		setDocument( context );
 	}
-	return contains( context, elem );
+	return jQuery.contains( context, elem );
 };
-Sizzle.attr = function( elem, name ) {
+find.attr = function( elem, name ) {
 	// Set document vars if needed
 	// Support: IE 11+, Edge 17 - 18+
 	// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
 	// two documents; shallow comparisons work.
 		setDocument( elem );
 	}
 	var fn = Expr.attrHandle[ name.toLowerCase() ],
-		// Don't get fooled by Object.prototype properties (jQuery #13807)
+		// Don't get fooled by Object.prototype properties (see trac-13807)
 		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
 			fn( elem, name, !documentIsHTML ) :
 			undefined;
-	return val !== undefined ?
+	if ( val !== undefined ) {
-		val :
+		return val;
-		support.attributes || !documentIsHTML ?
+	}
-			elem.getAttribute( name ) :
-			( val = elem.getAttributeNode( name ) ) && val.specified ?
+	return elem.getAttribute( name );
-				val.value :
-				null;
 };
-Sizzle.escape = function( sel ) {
+find.error = function( msg ) {
-	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 ) {
+jQuery.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 );
+	// Support: Android <=4.0+
-	results.sort( sortOrder );
+	// Testing for detecting duplicates is unpredictable so instead assume we can't
+	// depend on duplicate detection in all browsers without a stable sort.
+	hasDuplicate = !support.sortStable;
+	sortInput = !support.sortStable && slice.call( results, 0 );
+	sort.call( results, sortOrder );
 	if ( hasDuplicate ) {
 		while ( ( elem = results[ i++ ] ) ) {
 			if ( elem === results[ i ] ) {
 				j = duplicates.push( i );
 			}
 		}
 		while ( j-- ) {
-			results.splice( duplicates[ j ], 1 );
+			splice.call( results, duplicates[ j ], 1 );
 		}
 	}
 	// Clear input after sorting to release objects
 	// See https://github.com/jquery/sizzle/pull/225
 	sortInput = null;
 	return results;
 };
-/**
+jQuery.fn.uniqueSort = function() {
-* Utility function for retrieving the text value of an array of DOM nodes
+	return this.pushStack( jQuery.uniqueSort( slice.apply( this ) ) );
-* @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 = {
+Expr = jQuery.expr = {
 	// Can be adjusted by the user
 	cacheLength: 50,
 	createPseudo: markFunction,
 		"+": { dir: "previousSibling", first: true },
 		"~": { dir: "previousSibling" }
 	},
 	preFilter: {
-		"ATTR": function( match ) {
+		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[ 3 ] = ( match[ 3 ] || match[ 4 ] || match[ 5 ] || "" )
-				match[ 5 ] || "" ).replace( runescape, funescape );
+				.replace( runescape, funescape );
 			if ( match[ 2 ] === "~=" ) {
 				match[ 3 ] = " " + match[ 3 ] + " ";
 			}
 			return match.slice( 0, 4 );
 		},
-		"CHILD": function( match ) {
+		CHILD: function( match ) {
 			/* matches from matchExpr["CHILD"]
 				1 type (only|nth|...)
 				2 what (child|of-type)
 				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
 			if ( match[ 1 ].slice( 0, 3 ) === "nth" ) {
 				// nth-* requires argument
 				if ( !match[ 3 ] ) {
-					Sizzle.error( match[ 0 ] );
+					find.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" ) );
+					2 * ( match[ 3 ] === "even" || match[ 3 ] === "odd" )
+				);
 				match[ 5 ] = +( ( match[ 7 ] + match[ 8 ] ) || match[ 3 ] === "odd" );
-				// other types prohibit arguments
+			// other types prohibit arguments
 			} else if ( match[ 3 ] ) {
-				Sizzle.error( match[ 0 ] );
+				find.error( match[ 0 ] );
 			}
 			return match;
 		},
-		"PSEUDO": function( match ) {
+		PSEUDO: function( match ) {
 			var excess,
 				unquoted = !match[ 6 ] && match[ 2 ];
-			if ( matchExpr[ "CHILD" ].test( match[ 0 ] ) ) {
+			if ( matchExpr.CHILD.test( match[ 0 ] ) ) {
 				return null;
 			}
 			// Accept quoted arguments as-is
 			if ( match[ 3 ] ) {
 		}
 	},
 	filter: {
-		"TAG": function( nodeNameSelector ) {
+		TAG: function( nodeNameSelector ) {
-			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
+			var expectedNodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
 			return nodeNameSelector === "*" ?
 				function() {
 					return true;
 				} :
 				function( elem ) {
-					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
+					return nodeName( elem, expectedNodeName );
 				};
 		},
-		"CLASS": function( className ) {
+		CLASS: function( className ) {
 			var pattern = classCache[ className + " " ];
 			return pattern ||
-				( pattern = new RegExp( "(^|" + whitespace +
+				( pattern = new RegExp( "(^|" + whitespace + ")" + className +
-					")" + className + "(" + whitespace + "|$)" ) ) && classCache(
+					"(" + whitespace + "|$)" ) ) &&
-						className, function( elem ) {
+				classCache( className, function( elem ) {
-							return pattern.test(
+					return pattern.test(
-								typeof elem.className === "string" && elem.className ||
+						typeof elem.className === "string" && elem.className ||
-								typeof elem.getAttribute !== "undefined" &&
+							typeof elem.getAttribute !== "undefined" &&
-									elem.getAttribute( "class" ) ||
+								elem.getAttribute( "class" ) ||
-								""
+							""
-							);
+					);
 				} );
 		},
-		"ATTR": function( name, operator, check ) {
+		ATTR: function( name, operator, check ) {
 			return function( elem ) {
-				var result = Sizzle.attr( elem, name );
+				var result = find.attr( elem, name );
 				if ( result == null ) {
 					return operator === "!=";
 				}
 				if ( !operator ) {
 					return true;
 				}
 				result += "";
-				/* eslint-disable max-len */
+				if ( operator === "=" ) {
+					return result === check;
-				return operator === "=" ? result === check :
+				}
-					operator === "!=" ? result !== check :
+				if ( operator === "!=" ) {
-					operator === "^=" ? check && result.indexOf( check ) === 0 :
+					return result !== check;
-					operator === "*=" ? check && result.indexOf( check ) > -1 :
+				}
-					operator === "$=" ? check && result.slice( -check.length ) === check :
+				if ( operator === "^=" ) {
-					operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
+					return check && result.indexOf( check ) === 0;
-					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
+				}
-					false;
+				if ( operator === "*=" ) {
-				/* eslint-enable max-len */
+					return check && result.indexOf( check ) > -1;
+				}
+				if ( operator === "$=" ) {
+					return check && result.slice( -check.length ) === check;
+				}
+				if ( operator === "~=" ) {
+					return ( " " + result.replace( rwhitespace, " " ) + " " )
+						.indexOf( check ) > -1;
+				}
+				if ( operator === "|=" ) {
+					return result === check || result.slice( 0, check.length + 1 ) === check + "-";
+				}
+				return false;
 			};
 		},
-		"CHILD": function( type, what, _argument, first, last ) {
+		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 ?
 				function( elem ) {
 					return !!elem.parentNode;
 				} :
 				function( elem, _context, xml ) {
-					var cache, uniqueCache, outerCache, node, nodeIndex, start,
+					var cache, outerCache, node, nodeIndex, start,
 						dir = simple !== forward ? "nextSibling" : "previousSibling",
 						parent = elem.parentNode,
 						name = ofType && elem.nodeName.toLowerCase(),
 						useCache = !xml && !ofType,
 						diff = false;
 						if ( simple ) {
 							while ( dir ) {
 								node = elem;
 								while ( ( node = node[ dir ] ) ) {
 									if ( ofType ?
-										node.nodeName.toLowerCase() === name :
+										nodeName( node, name ) :
 										node.nodeType === 1 ) {
 										return false;
 									}
 								}
 						// non-xml :nth-child(...) stores cache data on `parent`
 						if ( forward && useCache ) {
 							// Seek `elem` from a previously-cached index
+							outerCache = parent[ expando ] || ( parent[ expando ] = {} );
-							// ...in a gzip-friendly way
+							cache = outerCache[ type ] || [];
-							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 ];
+									outerCache[ type ] = [ dirruns, nodeIndex, diff ];
 									break;
 								}
 							}
 						} else {
 							// Use previously-cached element index if available
 							if ( useCache ) {
+								outerCache = elem[ expando ] || ( elem[ expando ] = {} );
-								// ...in a gzip-friendly way
+								cache = outerCache[ type ] || [];
-								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(...)
 								// 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 :
+										nodeName( node, name ) :
 										node.nodeType === 1 ) &&
 										++diff ) {
 										// Cache the index of each encountered element
 										if ( useCache ) {
 											outerCache = node[ expando ] ||
 												( node[ expando ] = {} );
+											outerCache[ type ] = [ dirruns, diff ];
-											// 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;
 										}
 						return diff === first || ( diff % first === 0 && diff / first >= 0 );
 					}
 				};
 		},
-		"PSEUDO": function( pseudo, argument ) {
+		PSEUDO: function( pseudo, argument ) {
 			// pseudo-class names are case-insensitive
-			// http://www.w3.org/TR/selectors/#pseudo-classes
+			// https://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 );
+					find.error( "unsupported pseudo: " + pseudo );
 			// The user may use createPseudo to indicate that
 			// arguments are needed to create the filter function
-			// just as Sizzle does
+			// just as jQuery does
 			if ( fn[ expando ] ) {
 				return fn( argument );
 			}
 			// But maintain support for old signatures
 					markFunction( function( seed, matches ) {
 						var idx,
 							matched = fn( seed, argument ),
 							i = matched.length;
 						while ( i-- ) {
-							idx = indexOf( seed, matched[ i ] );
+							idx = indexOf.call( seed, matched[ i ] );
 							seed[ idx ] = !( matches[ idx ] = matched[ i ] );
 						}
 					} ) :
 					function( elem ) {
 						return fn( elem, 0, args );
 	},
 	pseudos: {
 		// Potentially complex pseudos
-		"not": markFunction( function( selector ) {
+		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" ) );
+				matcher = compile( selector.replace( rtrimCSS, "$1" ) );
 			return matcher[ expando ] ?
 				markFunction( function( seed, matches, _context, xml ) {
 					var elem,
 						unmatched = matcher( seed, null, xml, [] ),
 				} ) :
 				function( elem, _context, xml ) {
 					input[ 0 ] = elem;
 					matcher( input, null, xml, results );
-					// Don't keep the element (issue #299)
+					// Don't keep the element
+					// (see https://github.com/jquery/sizzle/issues/299)
 					input[ 0 ] = null;
 					return !results.pop();
 				};
 		} ),
-		"has": markFunction( function( selector ) {
+		has: markFunction( function( selector ) {
 			return function( elem ) {
-				return Sizzle( selector, elem ).length > 0;
+				return find( selector, elem ).length > 0;
 			};
 		} ),
-		"contains": markFunction( function( text ) {
+		contains: markFunction( function( text ) {
 			text = text.replace( runescape, funescape );
 			return function( elem ) {
-				return ( elem.textContent || getText( elem ) ).indexOf( text ) > -1;
+				return ( elem.textContent || jQuery.text( 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
+		// https://www.w3.org/TR/selectors/#lang-pseudo
-		"lang": markFunction( function( lang ) {
+		lang: markFunction( function( lang ) {
 			// lang value must be a valid identifier
 			if ( !ridentifier.test( lang || "" ) ) {
-				Sizzle.error( "unsupported lang: " + lang );
+				find.error( "unsupported lang: " + lang );
 			}
 			lang = lang.replace( runescape, funescape ).toLowerCase();
 			return function( elem ) {
 				var elemLang;
 				do {
 				return false;
 			};
 		} ),
 		// Miscellaneous
-		"target": function( elem ) {
+		target: function( elem ) {
 			var hash = window.location && window.location.hash;
 			return hash && hash.slice( 1 ) === elem.id;
 		},
-		"root": function( elem ) {
+		root: function( elem ) {
-			return elem === docElem;
+			return elem === documentElement;
 		},
-		"focus": function( elem ) {
+		focus: function( elem ) {
-			return elem === document.activeElement &&
+			return elem === safeActiveElement() &&
-				( !document.hasFocus || document.hasFocus() ) &&
+				document.hasFocus() &&
 				!!( elem.type || elem.href || ~elem.tabIndex );
 		},
 		// Boolean properties
-		"enabled": createDisabledPseudo( false ),
+		enabled: createDisabledPseudo( false ),
-		"disabled": createDisabledPseudo( true ),
+		disabled: createDisabledPseudo( true ),
-		"checked": function( elem ) {
+		checked: function( elem ) {
 			// In CSS3, :checked should return both checked and selected elements
-			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
+			// https://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
-			var nodeName = elem.nodeName.toLowerCase();
+			return ( nodeName( elem, "input" ) && !!elem.checked ) ||
-			return ( nodeName === "input" && !!elem.checked ) ||
+				( nodeName( elem, "option" ) && !!elem.selected );
-				( nodeName === "option" && !!elem.selected );
 		},
-		"selected": function( elem ) {
+		selected: function( elem ) {
-			// Accessing this property makes selected-by-default
+			// Support: IE <=11+
-			// options in Safari work properly
+			// Accessing the selectedIndex property
+			// forces the browser to treat the default option as
+			// selected when in an optgroup.
 			if ( elem.parentNode ) {
 				// eslint-disable-next-line no-unused-expressions
 				elem.parentNode.selectedIndex;
 			}
 			return elem.selected === true;
 		},
 		// Contents
-		"empty": function( elem ) {
+		empty: function( elem ) {
-			// http://www.w3.org/TR/selectors/#empty-pseudo
+			// https://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 true;
 		},
-		"parent": function( elem ) {
+		parent: function( elem ) {
-			return !Expr.pseudos[ "empty" ]( elem );
+			return !Expr.pseudos.empty( elem );
 		},
 		// Element/input types
-		"header": function( elem ) {
+		header: function( elem ) {
 			return rheader.test( elem.nodeName );
 		},
-		"input": function( elem ) {
+		input: function( elem ) {
 			return rinputs.test( elem.nodeName );
 		},
-		"button": function( elem ) {
+		button: function( elem ) {
-			var name = elem.nodeName.toLowerCase();
+			return nodeName( elem, "input" ) && elem.type === "button" ||
-			return name === "input" && elem.type === "button" || name === "button";
+				nodeName( elem, "button" );
 		},
-		"text": function( elem ) {
+		text: function( elem ) {
 			var attr;
-			return elem.nodeName.toLowerCase() === "input" &&
+			return nodeName( elem, "input" ) && elem.type === "text" &&
-				elem.type === "text" &&
+				// Support: IE <10 only
-				// Support: IE<8
+				// New HTML5 attribute values (e.g., "search") appear
-				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
+				// with elem.type === "text"
 				( ( attr = elem.getAttribute( "type" ) ) == null ||
 					attr.toLowerCase() === "text" );
 		},
 		// Position-in-collection
-		"first": createPositionalPseudo( function() {
+		first: createPositionalPseudo( function() {
 			return [ 0 ];
 		} ),
-		"last": createPositionalPseudo( function( _matchIndexes, length ) {
+		last: createPositionalPseudo( function( _matchIndexes, length ) {
 			return [ length - 1 ];
 		} ),
-		"eq": createPositionalPseudo( function( _matchIndexes, length, argument ) {
+		eq: createPositionalPseudo( function( _matchIndexes, length, argument ) {
 			return [ argument < 0 ? argument + length : argument ];
 		} ),
-		"even": createPositionalPseudo( function( matchIndexes, length ) {
+		even: createPositionalPseudo( function( matchIndexes, length ) {
 			var i = 0;
 			for ( ; i < length; i += 2 ) {
 				matchIndexes.push( i );
 			}
 			return matchIndexes;
 		} ),
-		"odd": createPositionalPseudo( function( matchIndexes, length ) {
+		odd: createPositionalPseudo( function( matchIndexes, length ) {
 			var i = 1;
 			for ( ; i < length; i += 2 ) {
 				matchIndexes.push( i );
 			}
 			return matchIndexes;
 		} ),
-		"lt": createPositionalPseudo( function( matchIndexes, length, argument ) {
+		lt: createPositionalPseudo( function( matchIndexes, length, argument ) {
-			var i = argument < 0 ?
+			var i;
-				argument + length :
-				argument > length ?
+			if ( argument < 0 ) {
-					length :
+				i = argument + length;
-					argument;
+			} else if ( argument > length ) {
+				i = length;
+			} else {
+				i = argument;
+			}
 			for ( ; --i >= 0; ) {
 				matchIndexes.push( i );
 			}
 			return matchIndexes;
 		} ),
-		"gt": createPositionalPseudo( function( matchIndexes, length, argument ) {
+		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" ];
+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 );
 }
 // Easy API for creating new setFilters
 function setFilters() {}
 setFilters.prototype = Expr.filters = Expr.pseudos;
 Expr.setFilters = new setFilters();
-tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
+function tokenize( selector, parseOnly ) {
 	var matched, match, tokens, type,
 		soFar, groups, preFilters,
 		cached = tokenCache[ selector + " " ];
 	if ( cached ) {
 		}
 		matched = false;
 		// Combinators
-		if ( ( match = rcombinators.exec( soFar ) ) ) {
+		if ( ( match = rleadingCombinator.exec( soFar ) ) ) {
 			matched = match.shift();
 			tokens.push( {
 				value: matched,
 				// Cast descendant combinators to space
-				type: match[ 0 ].replace( rtrim, " " )
+				type: match[ 0 ].replace( rtrimCSS, " " )
 			} );
 			soFar = soFar.slice( matched.length );
 		}
 		// Filters
 	}
 	// Return the length of the invalid excess
 	// if we're just parsing
 	// Otherwise, throw an error or return tokens
-	return parseOnly ?
+	if ( parseOnly ) {
-		soFar.length :
+		return soFar.length;
-		soFar ?
+	}
-			Sizzle.error( selector ) :
+	return soFar ?
-			// Cache the tokens
+		find.error( selector ) :
-			tokenCache( selector, groups ).slice( 0 );
-};
+		// Cache the tokens
+		tokenCache( selector, groups ).slice( 0 );
+}
 function toSelector( tokens ) {
 	var i = 0,
 		len = tokens.length,
 		selector = "";
 			return false;
 		} :
 		// Check against all ancestor/preceding elements
 		function( elem, context, xml ) {
-			var oldCache, uniqueCache, outerCache,
+			var oldCache, 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 ] ) ) {
 			} else {
 				while ( ( elem = elem[ dir ] ) ) {
 					if ( elem.nodeType === 1 || checkNonElements ) {
 						outerCache = elem[ expando ] || ( elem[ expando ] = {} );
-						// Support: IE <9 only
+						if ( skip && nodeName( elem, skip ) ) {
-						// 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 ] ) &&
+						} else if ( ( oldCache = outerCache[ 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;
+							outerCache[ 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;
 							}
 function multipleContexts( selector, contexts, results ) {
 	var i = 0,
 		len = contexts.length;
 	for ( ; i < len; i++ ) {
-		Sizzle( selector, contexts[ i ], results );
+		find( selector, contexts[ i ], results );
 	}
 	return results;
 }
 function condense( unmatched, map, filter, context, xml ) {
 	}
 	if ( postFinder && !postFinder[ expando ] ) {
 		postFinder = setMatcher( postFinder, postSelector );
 	}
 	return markFunction( function( seed, results, context, xml ) {
-		var temp, i, elem,
+		var temp, i, elem, matcherOut,
 			preMap = [],
 			postMap = [],
 			preexisting = results.length,
 			// Get initial elements from seed or context
-			elems = seed || multipleContexts(
+			elems = seed ||
-				selector || "*",
+				multipleContexts( selector || "*",
-				context.nodeType ? [ context ] : context,
+					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,
+				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 ) {
+			// If we have a postFinder, or filtered seed, or non-seed postFilter
+			// or preexisting results,
+			matcherOut = postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
+				// ...intermediate processing is necessary
+				[] :
+				// ...otherwise use results directly
+				results;
+			// Find primary matches
 			matcher( matcherIn, matcherOut, context, xml );
+		} else {
+			matcherOut = matcherIn;
 		}
 		// Apply postFilter
 		if ( postFilter ) {
 			temp = condense( matcherOut, postMap );
 				// 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 ) {
+						( temp = postFinder ? indexOf.call( seed, elem ) : preMap[ i ] ) > -1 ) {
 						seed[ temp ] = !( results[ temp ] = elem );
 					}
 				}
 			}
 		// 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;
+			return indexOf.call( checkContext, elem ) > -1;
 		}, implicitRelative, true ),
 		matchers = [ function( elem, context, xml ) {
-			var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
+			// Support: IE 11+, Edge 17 - 18+
+			// IE/Edge sometimes throw a "Permission denied" error when strict-comparing
+			// two documents; shallow comparisons work.
+			// eslint-disable-next-line eqeqeq
+			var ret = ( !leadingRelative && ( xml || context != outermostContext ) ) || (
 				( checkContext = context ).nodeType ?
 					matchContext( elem, context, xml ) :
 					matchAnyContext( elem, context, xml ) );
-			// Avoid hanging onto element (issue #299)
+			// Avoid hanging onto element
+			// (see https://github.com/jquery/sizzle/issues/299)
 			checkContext = null;
 			return ret;
 		} ];
 	for ( ; i < len; i++ ) {
 				}
 				return setMatcher(
 					i > 1 && elementMatcher( matchers ),
 					i > 1 && toSelector(
-					// If the preceding token was a descendant combinator, insert an implicit any-element `*`
+						// If the preceding token was a descendant combinator, insert an implicit any-element `*`
-					tokens
+						tokens.slice( 0, i - 1 )
-						.slice( 0, i - 1 )
+							.concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } )
-						.concat( { value: tokens[ i - 2 ].type === " " ? "*" : "" } )
+					).replace( rtrimCSS, "$1" ),
-					).replace( rtrim, "$1" ),
 					matcher,
 					i < j && matcherFromTokens( tokens.slice( i, j ) ),
 					j < len && matcherFromTokens( ( tokens = tokens.slice( j ) ) ),
 					j < len && toSelector( tokens )
 				);
 				unmatched = seed && [],
 				setMatched = [],
 				contextBackup = outermostContext,
 				// We must always have either seed elements or outermost context
-				elems = seed || byElement && Expr.find[ "TAG" ]( "*", outermost ),
+				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;
 				// eslint-disable-next-line eqeqeq
 				outermostContext = context == document || context || outermost;
 			}
 			// Add elements passing elementMatchers directly to results
-			// Support: IE<9, Safari
+			// Support: iOS <=7 - 9 only
-			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
+			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching
+			// elements by id. (see trac-14142)
 			for ( ; i !== len && ( elem = elems[ i ] ) != null; i++ ) {
 				if ( byElement && elem ) {
 					j = 0;
 					// Support: IE 11+, Edge 17 - 18+
 						setDocument( elem );
 						xml = !documentIsHTML;
 					}
 					while ( ( matcher = elementMatchers[ j++ ] ) ) {
 						if ( matcher( elem, context || document, xml ) ) {
-							results.push( elem );
+							push.call( results, elem );
 							break;
 						}
 					}
 					if ( outermost ) {
 						dirruns = dirrunsUnique;
 				// Seedless set matches succeeding multiple successful matchers stipulate sorting
 				if ( outermost && !seed && setMatched.length > 0 &&
 					( matchedCount + setMatchers.length ) > 1 ) {
-					Sizzle.uniqueSort( results );
+					jQuery.uniqueSort( results );
 				}
 			}
 			// Override manipulation of globals by nested matchers
 			if ( outermost ) {
 	return bySet ?
 		markFunction( superMatcher ) :
 		superMatcher;
 }
-compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
+function compile( selector, match /* Internal Use Only */ ) {
 	var i,
 		setMatchers = [],
 		elementMatchers = [],
 		cached = compilerCache[ selector + " " ];
 				elementMatchers.push( cached );
 			}
 		}
 		// Cache the compiled function
-		cached = compilerCache(
+		cached = compilerCache( selector,
-			selector,
+			matcherFromGroupMatchers( elementMatchers, setMatchers ) );
-			matcherFromGroupMatchers( elementMatchers, setMatchers )
-		);
 		// Save selector and tokenization
 		cached.selector = selector;
 	}
 	return cached;
-};
+}
 /**
-* A low-level selection function that works with Sizzle's compiled
+* A low-level selection function that works with jQuery's compiled
 *  selector functions
 * @param {String|Function} selector A selector or a pre-compiled
-*  selector function built with Sizzle.compile
+*  selector function built with jQuery selector 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 ) {
+function select( selector, context, results, seed ) {
 	var i, tokens, token, type, find,
 		compiled = typeof selector === "function" && selector,
 		match = !seed && tokenize( ( selector = compiled.selector || selector ) );
 	results = results || [];
 	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.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[ 1 ].type ] ) {
-			context = ( Expr.find[ "ID" ]( token.matches[ 0 ]
+			context = ( Expr.find.ID(
-				.replace( runescape, funescape ), context ) || [] )[ 0 ];
+				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 ) {
 			selector = selector.slice( tokens.shift().value.length );
 		}
 		// Fetch a seed set for right-to-left matching
-		i = matchExpr[ "needsContext" ].test( selector ) ? 0 : tokens.length;
+		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 ) ] ) {
 			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 ) ||
+					rsibling.test( tokens[ 0 ].type ) &&
-						context
+						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 );
 		!documentIsHTML,
 		results,
 		!context || rsibling.test( selector ) && testContext( context.parentNode ) || context
 	);
 	return results;
-};
+}
 // One-time assignments
+// Support: Android <=4.0 - 4.1+
 // 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)
+// Support: Android <=4.0 - 4.1+
 // 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
+jQuery.find = find;
-// 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.unique = jQuery.uniqueSort;
-jQuery.text = Sizzle.getText;
-jQuery.isXMLDoc = Sizzle.isXML;
+// These have always been private, but they used to be documented as part of
-jQuery.contains = Sizzle.contains;
+// Sizzle so let's maintain them for now for backwards compatibility purposes.
-jQuery.escapeSelector = Sizzle.escape;
+find.compile = compile;
+find.select = select;
+find.setDocument = setDocument;
+find.tokenize = tokenize;
+find.escape = jQuery.escapeSelector;
+find.getText = jQuery.text;
+find.isXML = jQuery.isXMLDoc;
+find.selectors = jQuery.expr;
+find.support = jQuery.support;
+find.uniqueSort = jQuery.uniqueSort;
+	/* eslint-enable */
+} )();
 var dir = function( elem, dir, until ) {
 	var matched = [],
 		truncate = until !== undefined;
 };
 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
 // 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)
+	// Prioritize #id over <tag> to avoid XSS via location.hash (trac-9521)
-	// Strict HTML recognition (#11290: must start with <)
+	// Strict HTML recognition (trac-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;
 					// Always skip document fragments
 					if ( cur.nodeType < 11 && ( targets ?
 						targets.index( cur ) > -1 :
-						// Don't pass non-elements to Sizzle
+						// Don't pass non-elements to jQuery#find
 						cur.nodeType === 1 &&
 							jQuery.find.matchesSelector( cur, selectors ) ) ) {
 						matched.push( cur );
 						break;
 											mightThrow();
 										} catch ( e ) {
 											if ( jQuery.Deferred.exceptionHook ) {
 												jQuery.Deferred.exceptionHook( e,
-													process.stackTrace );
+													process.error );
 											}
 											// Support: Promises/A+ section 2.3.3.3.4.1
 											// https://promisesaplus.com/#point-61
 											// Ignore post-resolution exceptions
 							// subsequent errors
 							if ( depth ) {
 								process();
 							} else {
-								// Call an optional hook to record the stack, in case of exception
+								// Call an optional hook to record the error, in case of exception
 								// since it's otherwise lost when execution goes async
-								if ( jQuery.Deferred.getStackHook ) {
+								if ( jQuery.Deferred.getErrorHook ) {
-									process.stackTrace = jQuery.Deferred.getStackHook();
+									process.error = jQuery.Deferred.getErrorHook();
+								// The deprecated alias of the above. While the name suggests
+								// returning the stack, not an error instance, jQuery just passes
+								// it directly to `console.warn` so both will work; an instance
+								// just better cooperates with source maps.
+								} else if ( jQuery.Deferred.getStackHook ) {
+									process.error = jQuery.Deferred.getStackHook();
 								}
 								window.setTimeout( process );
 							}
 						};
 					}
 // 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 ) {
+// If `jQuery.Deferred.getErrorHook` is defined, `asyncError` is an error
+// captured before the async barrier to get the original error cause
+// which may otherwise be hidden.
+jQuery.Deferred.exceptionHook = function( error, asyncError ) {
 	// 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 );
+		window.console.warn( "jQuery.Deferred exception: " + error.message,
+			error.stack, asyncError );
 	}
 };
 	// 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
+	// the ready event fires. See trac-6781
 	readyWait: 1,
 	// Handle when the DOM is ready
 	ready: function( wait ) {
 	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)
+// Microsoft forgot to hump their vendor prefix (trac-9572)
 function camelCase( string ) {
 	return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
 }
 var acceptData = function( owner ) {
 		// If not, create one
 		if ( !value ) {
 			value = {};
 			// We can accept data for non-element nodes in modern browsers,
-			// but we should not, see #8335.
+			// but we should not, see trac-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 ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
 					i = attrs.length;
 					while ( i-- ) {
 						// Support: IE 11 only
-						// The attrs elements can be null (#14894)
+						// The attrs elements can be null (trac-14894)
 						if ( attrs[ i ] ) {
 							name = attrs[ i ].name;
 							if ( name.indexOf( "data-" ) === 0 ) {
 								name = camelCase( name.slice( 5 ) );
 								dataAttr( elem, name, data[ name ] );
 	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)
+	// Check state lost if the name is set (trac-11217)
 	// Support: Windows Web Apps (WWA)
-	// `name` and `type` must use .setAttribute for WWA (#14901)
+	// `name` and `type` must use .setAttribute for WWA (trac-14901)
 	input.setAttribute( "type", "radio" );
 	input.setAttribute( "checked", "checked" );
 	input.setAttribute( "name", "t" );
 	div.appendChild( input );
 	div.innerHTML = "<option></option>";
 	support.option = !!div.lastChild;
 } )();
-// We have to close these tags to support XHTML (#13200)
+// We have to close these tags to support XHTML (trac-13200)
 var wrapMap = {
 	// 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.
 function getAll( context, tag ) {
 	// Support: IE <=9 - 11 only
-	// Use typeof to avoid zero-argument method invocation on host objects (#15151)
+	// Use typeof to avoid zero-argument method invocation on host objects (trac-15151)
 	var ret;
 	if ( typeof context.getElementsByTagName !== "undefined" ) {
 		ret = context.getElementsByTagName( tag || "*" );
 				jQuery.merge( nodes, tmp.childNodes );
 				// Remember the top-level container
 				tmp = fragment.firstChild;
-				// Ensure the created nodes are orphaned (#12392)
+				// Ensure the created nodes are orphaned (trac-12392)
 				tmp.textContent = "";
 			}
 		}
 	}
 	return true;
 }
 function returnFalse() {
 	return false;
-}
-// Support: IE <=9 - 11+
-// focus() and blur() are asynchronous, except when they are no-op.
-// So expect focus to be synchronous when the element is already active,
-// and blur to be synchronous when the element is not already active.
-// (focus and blur are always synchronous in other supported browsers,
-// this just defines when we can count on it).
-function expectSync( elem, type ) {
-	return ( elem === safeActiveElement() ) === ( type === "focus" );
-}
-// Support: IE <=9 only
-// Accessing document.activeElement can throw unexpectedly
-// https://bugs.jquery.com/ticket/13393
-function safeActiveElement() {
-	try {
-		return document.activeElement;
-	} catch ( err ) { }
 }
 function on( elem, types, selector, data, fn, one ) {
 	var origFn, type;
 			// ...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 check non-elements (trac-13208)
-				// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
+				// Don't process clicks on disabled elements (trac-6911, trac-8165, trac-11382, trac-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)
+						// Don't conflict with Object.prototype properties (trac-13203)
 						sel = handleObj.selector + " ";
 						if ( matchedSelectors[ sel ] === undefined ) {
 							matchedSelectors[ sel ] = handleObj.needsContext ?
 								jQuery( sel, this ).index( cur ) > -1 :
 				// Claim the first handler
 				if ( rcheckableType.test( el.type ) &&
 					el.click && nodeName( el, "input" ) ) {
 					// dataPriv.set( el, "click", ... )
-					leverageNative( el, "click", returnTrue );
+					leverageNative( el, "click", true );
 				}
 				// Return false to allow normal processing in the caller
 				return false;
 			},
 // Ensure the presence of an event listener that handles manually-triggered
 // synthetic events by interrupting progress until reinvoked in response to
 // *native* events that it fires directly, ensuring that state changes have
 // already occurred before other listeners are invoked.
-function leverageNative( el, type, expectSync ) {
+function leverageNative( el, type, isSetup ) {
-	// Missing expectSync indicates a trigger call, which must force setup through jQuery.event.add
+	// Missing `isSetup` indicates a trigger call, which must force setup through jQuery.event.add
-	if ( !expectSync ) {
+	if ( !isSetup ) {
 		if ( dataPriv.get( el, type ) === undefined ) {
 			jQuery.event.add( el, type, returnTrue );
 		}
 		return;
 	}
 	// Register the controller as a special universal handler for all event namespaces
 	dataPriv.set( el, type, false );
 	jQuery.event.add( el, type, {
 		namespace: false,
 		handler: function( event ) {
-			var notAsync, result,
+			var result,
 				saved = dataPriv.get( this, type );
 			if ( ( event.isTrigger & 1 ) && this[ type ] ) {
 				// Interrupt processing of the outer synthetic .trigger()ed event
-				// Saved data should be false in such cases, but might be a leftover capture object
+				if ( !saved ) {
-				// from an async native handler (gh-4350)
-				if ( !saved.length ) {
 					// Store arguments for use when handling the inner native event
 					// There will always be at least one argument (an event object), so this array
 					// will not be confused with a leftover capture object.
 					saved = slice.call( arguments );
 					dataPriv.set( this, type, saved );
 					// Trigger the native event and capture its result
-					// Support: IE <=9 - 11+
-					// focus() and blur() are asynchronous
-					notAsync = expectSync( this, type );
 					this[ type ]();
 					result = dataPriv.get( this, type );
-					if ( saved !== result || notAsync ) {
+					dataPriv.set( this, type, false );
-						dataPriv.set( this, type, false );
-					} else {
-						result = {};
-					}
 					if ( saved !== result ) {
 						// Cancel the outer synthetic event
 						event.stopImmediatePropagation();
 						event.preventDefault();
-						// Support: Chrome 86+
+						return result;
-						// In Chrome, if an element having a focusout handler is blurred by
-						// clicking outside of it, it invokes the handler synchronously. If
-						// that handler calls `.remove()` on the element, the data is cleared,
-						// leaving `result` undefined. We need to guard against this.
-						return result && result.value;
 					}
 				// If this is an inner synthetic event for an event with a bubbling surrogate
-				// (focus or blur), assume that the surrogate already propagated from triggering the
+				// (focus or blur), assume that the surrogate already propagated from triggering
-				// native event and prevent that from happening again here.
+				// the native event and prevent that from happening again here.
 				// This technically gets the ordering wrong w.r.t. to `.trigger()` (in which the
 				// bubbling surrogate propagates *after* the non-bubbling base), but that seems
 				// less bad than duplication.
 				} else if ( ( jQuery.event.special[ type ] || {} ).delegateType ) {
 					event.stopPropagation();
 				}
 			// If this is a native event triggered above, everything is now in order
 			// Fire an inner synthetic event with the original arguments
-			} else if ( saved.length ) {
+			} else if ( saved ) {
 				// ...and capture the result
-				dataPriv.set( this, type, {
+				dataPriv.set( this, type, jQuery.event.trigger(
-					value: jQuery.event.trigger(
+					saved[ 0 ],
+					saved.slice( 1 ),
-						// Support: IE <=9 - 11+
+					this
-						// Extend with the prototype to reset the above stopImmediatePropagation()
+				) );
-						jQuery.extend( saved[ 0 ], jQuery.Event.prototype ),
-						saved.slice( 1 ),
+				// Abort handling of the native event by all jQuery handlers while allowing
-						this
+				// native handlers on the same element to run. On target, this is achieved
-					)
+				// by stopping immediate propagation just on the jQuery event. However,
-				} );
+				// the native event is re-wrapped by a jQuery one on each level of the
+				// propagation so the only way to stop it for jQuery is to stop it for
-				// Abort handling of the native event
+				// everyone via native `stopPropagation()`. This is not a problem for
-				event.stopImmediatePropagation();
+				// focus/blur which don't bubble, but it does also stop click on checkboxes
+				// and radios. We accept this limitation.
+				event.stopPropagation();
+				event.isImmediatePropagationStopped = returnTrue;
 			}
 		}
 	} );
 }
 			returnTrue :
 			returnFalse;
 		// Create target properties
 		// Support: Safari <=6 - 7 only
-		// Target should not be a text node (#504, #13143)
+		// Target should not be a text node (trac-504, trac-13143)
 		this.target = ( src.target && src.target.nodeType === 3 ) ?
 			src.target.parentNode :
 			src.target;
 		this.currentTarget = src.currentTarget;
 	touches: true,
 	which: true
 }, jQuery.event.addProp );
 jQuery.each( { focus: "focusin", blur: "focusout" }, function( type, delegateType ) {
+	function focusMappedHandler( nativeEvent ) {
+		if ( document.documentMode ) {
+			// Support: IE 11+
+			// Attach a single focusin/focusout handler on the document while someone wants
+			// focus/blur. This is because the former are synchronous in IE while the latter
+			// are async. In other browsers, all those handlers are invoked synchronously.
+			// `handle` from private data would already wrap the event, but we need
+			// to change the `type` here.
+			var handle = dataPriv.get( this, "handle" ),
+				event = jQuery.event.fix( nativeEvent );
+			event.type = nativeEvent.type === "focusin" ? "focus" : "blur";
+			event.isSimulated = true;
+			// First, handle focusin/focusout
+			handle( nativeEvent );
+			// ...then, handle focus/blur
+			//
+			// focus/blur don't bubble while focusin/focusout do; simulate the former by only
+			// invoking the handler at the lower level.
+			if ( event.target === event.currentTarget ) {
+				// The setup part calls `leverageNative`, which, in turn, calls
+				// `jQuery.event.add`, so event handle will already have been set
+				// by this point.
+				handle( event );
+			}
+		} else {
+			// For non-IE browsers, attach a single capturing handler on the document
+			// while someone wants focusin/focusout.
+			jQuery.event.simulate( delegateType, nativeEvent.target,
+				jQuery.event.fix( nativeEvent ) );
+		}
+	}
 	jQuery.event.special[ type ] = {
 		// Utilize native event if possible so blur/focus sequence is correct
 		setup: function() {
+			var attaches;
 			// Claim the first handler
 			// dataPriv.set( this, "focus", ... )
 			// dataPriv.set( this, "blur", ... )
-			leverageNative( this, type, expectSync );
+			leverageNative( this, type, true );
-			// Return false to allow normal processing in the caller
+			if ( document.documentMode ) {
-			return false;
+				// Support: IE 9 - 11+
+				// We use the same native handler for focusin & focus (and focusout & blur)
+				// so we need to coordinate setup & teardown parts between those events.
+				// Use `delegateType` as the key as `type` is already used by `leverageNative`.
+				attaches = dataPriv.get( this, delegateType );
+				if ( !attaches ) {
+					this.addEventListener( delegateType, focusMappedHandler );
+				}
+				dataPriv.set( this, delegateType, ( attaches || 0 ) + 1 );
+			} else {
+				// Return false to allow normal processing in the caller
+				return false;
+			}
 		},
 		trigger: function() {
 			// Force setup before trigger
 			leverageNative( this, type );
 			// Return non-false to allow normal event-path propagation
 			return true;
 		},
-		// Suppress native focus or blur as it's already being fired
+		teardown: function() {
-		// in leverageNative.
+			var attaches;
-		_default: function() {
-			return true;
+			if ( document.documentMode ) {
+				attaches = dataPriv.get( this, delegateType ) - 1;
+				if ( !attaches ) {
+					this.removeEventListener( delegateType, focusMappedHandler );
+					dataPriv.remove( this, delegateType );
+				} else {
+					dataPriv.set( this, delegateType, attaches );
+				}
+			} else {
+				// Return false to indicate standard teardown should be applied
+				return false;
+			}
 		},
+		// Suppress native focus or blur if we're currently inside
+		// a leveraged native-event stack
+		_default: function( event ) {
+			return dataPriv.get( event.target, type );
+		},
 		delegateType: delegateType
+	};
+	// 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
+	//
+	// Support: IE 9 - 11+
+	// To preserve relative focusin/focus & focusout/blur event order guaranteed on the 3.x branch,
+	// attach a single handler for both events in IE.
+	jQuery.event.special[ delegateType ] = {
+		setup: function() {
+			// Handle: regular nodes (via `this.ownerDocument`), window
+			// (via `this.document`) & document (via `this`).
+			var doc = this.ownerDocument || this.document || this,
+				dataHolder = document.documentMode ? this : doc,
+				attaches = dataPriv.get( dataHolder, delegateType );
+			// Support: IE 9 - 11+
+			// We use the same native handler for focusin & focus (and focusout & blur)
+			// so we need to coordinate setup & teardown parts between those events.
+			// Use `delegateType` as the key as `type` is already used by `leverageNative`.
+			if ( !attaches ) {
+				if ( document.documentMode ) {
+					this.addEventListener( delegateType, focusMappedHandler );
+				} else {
+					doc.addEventListener( type, focusMappedHandler, true );
+				}
+			}
+			dataPriv.set( dataHolder, delegateType, ( attaches || 0 ) + 1 );
+		},
+		teardown: function() {
+			var doc = this.ownerDocument || this.document || this,
+				dataHolder = document.documentMode ? this : doc,
+				attaches = dataPriv.get( dataHolder, delegateType ) - 1;
+			if ( !attaches ) {
+				if ( document.documentMode ) {
+					this.removeEventListener( delegateType, focusMappedHandler );
+				} else {
+					doc.removeEventListener( type, focusMappedHandler, true );
+				}
+				dataPriv.remove( dataHolder, delegateType );
+			} else {
+				dataPriv.set( dataHolder, delegateType, attaches );
+			}
+		}
 	};
 } );
 // Create mouseenter/leave events using mouseover/out and event-time checks
 // so that event delegation works in jQuery.
 	// 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;
+	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" ) ) {
 			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).
+			// being emptied incorrectly in certain situations (trac-8070).
 			for ( ; i < l; i++ ) {
 				node = fragment;
 				if ( i !== iNoClone ) {
 					node = jQuery.clone( node, true, true );
 			}
 			if ( hasScripts ) {
 				doc = scripts[ scripts.length - 1 ].ownerDocument;
-				// Reenable scripts
+				// Re-enable scripts
 				jQuery.map( scripts, restoreScript );
 				// Evaluate executable scripts on first document insertion
 				for ( i = 0; i < hasScripts; i++ ) {
 					node = scripts[ i ];
 								jQuery._evalUrl( node.src, {
 									nonce: node.nonce || node.getAttribute( "nonce" )
 								}, doc );
 							}
 						} else {
+							// Unwrap a CDATA section containing script contents. This shouldn't be
+							// needed as in XML documents they're already not visible when
+							// inspecting element contents and in HTML documents they have no
+							// meaning but we're preserving that logic for backwards compatibility.
+							// This will be removed completely in 4.0. See gh-4904.
 							DOMEval( node.textContent.replace( rcleanScript, "" ), node, doc );
 						}
 					}
 				}
 			}
 		// 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
+			// We eschew jQuery#find 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 ] );
 		return this.pushStack( ret );
 	};
 } );
 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
+var rcustomProp = /^--/;
 var getStyles = function( elem ) {
-		// Support: IE <=11 only, Firefox <=30 (#15098, #14150)
+		// Support: IE <=11 only, Firefox <=30 (trac-15098, trac-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 ) {
 	if ( !div.style ) {
 		return;
 	}
 	// Support: IE <=9 - 11 only
-	// Style of cloned element affects source element cloned (#8908)
+	// Style of cloned element affects source element cloned (trac-8908)
 	div.style.backgroundClip = "content-box";
 	div.cloneNode( true ).style.backgroundClip = "";
 	support.clearCloneStyle = div.style.backgroundClip === "content-box";
 	jQuery.extend( support, {
 				table = document.createElement( "table" );
 				tr = document.createElement( "tr" );
 				trChild = document.createElement( "div" );
 				table.style.cssText = "position:absolute;left:-11111px;border-collapse:separate";
-				tr.style.cssText = "border:1px solid";
+				tr.style.cssText = "box-sizing:content-box;border:1px solid";
 				// Support: Chrome 86+
 				// Height set through cssText does not get applied.
 				// Computed height then comes back as 0.
 				tr.style.height = "1px";
 				// Support: Android 8 Chrome 86+
 				// In our bodyBackground.html iframe,
 				// display for all div elements is set to "inline",
 				// which causes a problem only in Android 8 Chrome 86.
-				// Ensuring the div is display: block
+				// Ensuring the div is `display: block`
 				// gets around this issue.
 				trChild.style.display = "block";
 				documentElement
 					.appendChild( table )
 } )();
 function curCSS( elem, name, computed ) {
 	var width, minWidth, maxWidth, ret,
+		isCustomProp = rcustomProp.test( name ),
 		// 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('filter') (IE 9 only, trac-12537)
-	//   .css('--customProperty) (#3144)
+	//   .css('--customProperty) (gh-3144)
 	if ( computed ) {
+		// Support: IE <=9 - 11+
+		// IE only supports `"float"` in `getPropertyValue`; in computed styles
+		// it's only available as `"cssFloat"`. We no longer modify properties
+		// sent to `.css()` apart from camelCasing, so we need to check both.
+		// Normally, this would create difference in behavior: if
+		// `getPropertyValue` returns an empty string, the value returned
+		// by `.css()` would be `undefined`. This is usually the case for
+		// disconnected elements. However, in IE even disconnected elements
+		// with no styles return `"none"` for `getPropertyValue( "float" )`
 		ret = computed.getPropertyValue( name ) || computed[ name ];
+		if ( isCustomProp && ret ) {
+			// Support: Firefox 105+, Chrome <=105+
+			// Spec requires trimming whitespace for custom properties (gh-4926).
+			// Firefox only trims leading whitespace. Chrome just collapses
+			// both leading & trailing whitespace to a single space.
+			//
+			// Fall back to `undefined` if empty string returned.
+			// This collapses a missing definition with property defined
+			// and set to an empty string but there's no standard API
+			// allowing us to differentiate them without a performance penalty
+			// and returning `undefined` aligns with older jQuery.
+			//
+			// rtrimCSS treats U+000D CARRIAGE RETURN and U+000C FORM FEED
+			// as whitespace while CSS does not, but this is not a problem
+			// because CSS preprocessing replaces them with U+000A LINE FEED
+			// (which *is* CSS whitespace)
+			// https://www.w3.org/TR/css-syntax-3/#input-preprocessing
+			ret = ret.replace( rtrimCSS, "$1" ) || undefined;
+		}
 		if ( ret === "" && !isAttached( elem ) ) {
 			ret = jQuery.style( elem, name );
 		}
 	// 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"
 	};
 }
 function boxModelAdjustment( elem, dimension, box, isBorderBox, styles, computedVal ) {
 	var i = dimension === "width" ? 1 : 0,
 		extra = 0,
-		delta = 0;
+		delta = 0,
+		marginDelta = 0;
 	// Adjustment may not be necessary
 	if ( box === ( isBorderBox ? "border" : "content" ) ) {
 		return 0;
 	}
 	for ( ; i < 4; i += 2 ) {
 		// Both box models exclude margin
+		// Count margin delta separately to only add it after scroll gutter adjustment.
+		// This is needed to make negative margins work with `outerHeight( true )` (gh-3982).
 		if ( box === "margin" ) {
-			delta += jQuery.css( elem, box + cssExpand[ i ], true, styles );
+			marginDelta += 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 ) {
 		// If offsetWidth/offsetHeight is unknown, then we can't determine content-box scroll gutter
 		// Use an explicit zero to avoid NaN (gh-3964)
 		) ) || 0;
 	}
-	return delta;
+	return delta + marginDelta;
 }
 function getWidthOrHeight( elem, dimension, extra ) {
 	// Start with computed style
 		}
 	},
 	// Don't automatically add "px" to these possibly-unitless properties
 	cssNumber: {
-		"animationIterationCount": true,
+		animationIterationCount: true,
-		"columnCount": true,
+		aspectRatio: true,
-		"fillOpacity": true,
+		borderImageSlice: true,
-		"flexGrow": true,
+		columnCount: true,
-		"flexShrink": true,
+		flexGrow: true,
-		"fontWeight": true,
+		flexShrink: true,
-		"gridArea": true,
+		fontWeight: true,
-		"gridColumn": true,
+		gridArea: true,
-		"gridColumnEnd": true,
+		gridColumn: true,
-		"gridColumnStart": true,
+		gridColumnEnd: true,
-		"gridRow": true,
+		gridColumnStart: true,
-		"gridRowEnd": true,
+		gridRow: true,
-		"gridRowStart": true,
+		gridRowEnd: true,
-		"lineHeight": true,
+		gridRowStart: true,
-		"opacity": true,
+		lineHeight: true,
-		"order": true,
+		opacity: true,
-		"orphans": true,
+		order: true,
-		"widows": true,
+		orphans: true,
-		"zIndex": true,
+		scale: true,
-		"zoom": true
+		widows: true,
+		zIndex: true,
+		zoom: true,
+		// SVG-related
+		fillOpacity: true,
+		floodOpacity: true,
+		stopOpacity: true,
+		strokeMiterlimit: true,
+		strokeOpacity: true
 	},
 	// Add in properties whose names you wish to fix before
 	// setting or getting the value
 	cssProps: {},
 		// Check if we're setting a value
 		if ( value !== undefined ) {
 			type = typeof value;
-			// Convert "+=" or "-=" to relative numbers (#7345)
+			// Convert "+=" or "-=" to relative numbers (trac-7345)
 			if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
 				value = adjustCSS( elem, name, ret );
-				// Fixes bug #9237
+				// Fixes bug trac-9237
 				type = "number";
 			}
-			// Make sure that null and NaN values aren't set (#7116)
+			// Make sure that null and NaN values aren't set (trac-7116)
 			if ( value == null || value !== value ) {
 				return;
 			}
 			// If a number was passed in, add the unit (except for certain CSS properties)
 			}
 			var currentTime = fxNow || createFxNow(),
 				remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
 				// Support: Android 2.3 only
-				// Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
+				// Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (trac-12497)
 				temp = remaining / animation.duration || 0,
 				percent = 1 - temp,
 				index = 0,
 				length = animation.tweens.length;
 	_default: 400
 };
 // 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 ) {
 			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 (trac-12072)
-				// Use proper attribute retrieval(#12072)
 				var tabindex = jQuery.find.attr( elem, "tabindex" );
 				if ( tabindex ) {
 					return parseInt( tabindex, 10 );
 				}
 	return [];
 }
 jQuery.fn.extend( {
 	addClass: function( value ) {
-		var classes, elem, cur, curValue, clazz, j, finalValue,
+		var classNames, cur, curValue, className, i, finalValue;
-			i = 0;
 		if ( isFunction( value ) ) {
 			return this.each( function( j ) {
 				jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
 			} );
 		}
-		classes = classesToArray( value );
+		classNames = classesToArray( value );
-		if ( classes.length ) {
+		if ( classNames.length ) {
-			while ( ( elem = this[ i++ ] ) ) {
+			return this.each( function() {
-				curValue = getClass( elem );
+				curValue = getClass( this );
-				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
+				cur = this.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
 				if ( cur ) {
-					j = 0;
+					for ( i = 0; i < classNames.length; i++ ) {
-					while ( ( clazz = classes[ j++ ] ) ) {
+						className = classNames[ i ];
-						if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
+						if ( cur.indexOf( " " + className + " " ) < 0 ) {
-							cur += clazz + " ";
+							cur += className + " ";
 						}
 					}
 					// Only assign if different to avoid unneeded rendering.
 					finalValue = stripAndCollapse( cur );
 					if ( curValue !== finalValue ) {
-						elem.setAttribute( "class", finalValue );
+						this.setAttribute( "class", finalValue );
 					}
 				}
-			}
+			} );
 		}
 		return this;
 	},
 	removeClass: function( value ) {
-		var classes, elem, cur, curValue, clazz, j, finalValue,
+		var classNames, cur, curValue, className, i, 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 );
+		classNames = classesToArray( value );
-		if ( classes.length ) {
+		if ( classNames.length ) {
-			while ( ( elem = this[ i++ ] ) ) {
+			return this.each( function() {
-				curValue = getClass( elem );
+				curValue = getClass( this );
 				// This expression is here for better compressibility (see addClass)
-				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
+				cur = this.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
 				if ( cur ) {
-					j = 0;
+					for ( i = 0; i < classNames.length; i++ ) {
-					while ( ( clazz = classes[ j++ ] ) ) {
+						className = classNames[ i ];
 						// Remove *all* instances
-						while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
+						while ( cur.indexOf( " " + className + " " ) > -1 ) {
-							cur = cur.replace( " " + clazz + " ", " " );
+							cur = cur.replace( " " + className + " ", " " );
 						}
 					}
 					// Only assign if different to avoid unneeded rendering.
 					finalValue = stripAndCollapse( cur );
 					if ( curValue !== finalValue ) {
-						elem.setAttribute( "class", finalValue );
+						this.setAttribute( "class", finalValue );
 					}
 				}
-			}
+			} );
 		}
 		return this;
 	},
 	toggleClass: function( value, stateVal ) {
-		var type = typeof value,
+		var classNames, className, i, self,
+			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
 				);
 			} );
 		}
+		if ( typeof stateVal === "boolean" && isValidValue ) {
+			return stateVal ? this.addClass( value ) : this.removeClass( value );
+		}
+		classNames = classesToArray( value );
 		return this.each( function() {
-			var className, i, self, classNames;
 			if ( isValidValue ) {
 				// Toggle individual class names
-				i = 0;
 				self = jQuery( this );
-				classNames = classesToArray( value );
+				for ( i = 0; i < classNames.length; i++ ) {
-				while ( ( className = classNames[ i++ ] ) ) {
+					className = classNames[ i ];
 					// Check each className given, space separated list
 					if ( self.hasClass( className ) ) {
 						self.removeClass( className );
 					} else {
 				var val = jQuery.find.attr( elem, "value" );
 				return val != null ?
 					val :
 					// Support: IE <=10 - 11 only
-					// option.text throws exceptions (#14686, #14858)
+					// option.text throws exceptions (trac-14686, trac-14858)
 					// Strip and collapse whitespace
 					// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
 					stripAndCollapse( jQuery.text( elem ) );
 			}
 		},
 				// 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)
+					// IE8-9 doesn't update selected after form reset (trac-2551)
 					if ( ( option.selected || i === index ) &&
 							// Don't return options that are disabled or in a disabled optgroup
 							!option.disabled &&
 							( !option.parentNode.disabled ||
 // Return jQuery for attributes-only inclusion
+var location = window.location;
-support.focusin = "onfocusin" in window;
+var nonce = { guid: Date.now() };
+var rquery = ( /\?/ );
+// Cross-browser xml parsing
+jQuery.parseXML = function( data ) {
+	var xml, parserErrorElem;
+	if ( !data || typeof data !== "string" ) {
+		return null;
+	}
+	// Support: IE 9 - 11 only
+	// IE throws on parseFromString with invalid input.
+	try {
+		xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
+	} catch ( e ) {}
+	parserErrorElem = xml && xml.getElementsByTagName( "parsererror" )[ 0 ];
+	if ( !xml || parserErrorElem ) {
+		jQuery.error( "Invalid XML: " + (
+			parserErrorElem ?
+				jQuery.map( parserErrorElem.childNodes, function( el ) {
+					return el.textContent;
+				} ).join( "\n" ) :
+				data
+		) );
+	}
+	return xml;
+};
 var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
 	stopPropagationCallback = function( e ) {
 		e.stopPropagation();
 		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)
+		// Determine event propagation path in advance, per W3C events spec (trac-9951)
-		// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
+		// Bubble up to document, then to window; watch for a global ownerDocument var (trac-9724)
 		if ( !onlyHandlers && !special.noBubble && !isWindow( elem ) ) {
 			bubbleType = special.delegateType || type;
 			if ( !rfocusMorph.test( bubbleType + type ) ) {
 				cur = cur.parentNode;
 			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)
+				// Don't do default actions on window, that's where global variables be (trac-6170)
 				if ( ontype && isFunction( elem[ type ] ) && !isWindow( elem ) ) {
 					// Don't re-trigger an onFOO event when we call its FOO() method
 					tmp = elem[ ontype ];
 		}
 	}
 } );
-// 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() {
-				// Handle: regular nodes (via `this.ownerDocument`), window
-				// (via `this.document`) & document (via `this`).
-				var doc = this.ownerDocument || this.document || 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.document || 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 location = window.location;
-var nonce = { guid: Date.now() };
-var rquery = ( /\?/ );
-// Cross-browser xml parsing
-jQuery.parseXML = function( data ) {
-	var xml, parserErrorElem;
-	if ( !data || typeof data !== "string" ) {
-		return null;
-	}
-	// Support: IE 9 - 11 only
-	// IE throws on parseFromString with invalid input.
-	try {
-		xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
-	} catch ( e ) {}
-	parserErrorElem = xml && xml.getElementsByTagName( "parsererror" )[ 0 ];
-	if ( !xml || parserErrorElem ) {
-		jQuery.error( "Invalid XML: " + (
-			parserErrorElem ?
-				jQuery.map( parserErrorElem.childNodes, function( el ) {
-					return el.textContent;
-				} ).join( "\n" ) :
-				data
-		) );
-	}
-	return xml;
-};
 var
 	rbracket = /\[\]$/,
 	rCRLF = /\r?\n/g,
 	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
 	rsubmittable = /^(?:input|select|textarea|keygen)/i;
 	r20 = /%20/g,
 	rhash = /#.*$/,
 	rantiCache = /([?&])_=[^&]*/,
 	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
-	// #7653, #8125, #8152: local protocol detection
+	// trac-7653, trac-8125, trac-8152: local protocol detection
 	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
 	rnoContent = /^(?:GET|HEAD)$/,
 	rprotocol = /^\/\//,
 	/* Prefilters
 	 * 2) the catchall symbol "*" can be used
 	 * 3) selection will start with transport dataType and THEN go to "*" if needed
 	 */
 	transports = {},
-	// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
+	// Avoid comment-prolog char sequence (trac-10098); must appease lint and evade compression
 	allTypes = "*/".concat( "*" ),
 	// Anchor tag for parsing the document origin
 	originAnchor = document.createElement( "a" );
 	return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
 }
 // A special extend for ajax options
 // that takes "flat" options (not to be deep extended)
-// Fixes #9887
+// Fixes trac-9887
 function ajaxExtend( target, src ) {
 	var key, deep,
 		flatOptions = jQuery.ajaxSettings.flatOptions || {};
 	for ( key in src ) {
 		// Attach deferreds
 		deferred.promise( jqXHR );
 		// Add protocol if not provided (prefilters might expect it)
-		// Handle falsy url in the settings object (#10093: consistency with old signature)
+		// Handle falsy url in the settings object (trac-10093: consistency with old signature)
 		// We also use the url parameter if available
 		s.url = ( ( url || s.url || location.href ) + "" )
 			.replace( rprotocol, location.protocol + "//" );
-		// Alias method option to type as per ticket #12004
+		// Alias method option to type as per ticket trac-12004
 		s.type = options.method || options.type || s.method || s.type;
 		// Extract dataTypes list
 		s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
 		if ( completed ) {
 			return jqXHR;
 		}
 		// We can fire global events as of now if asked to
-		// Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
+		// Don't fire events if jQuery.event is undefined in an AMD-usage scenario (trac-15118)
 		fireGlobals = jQuery.event && s.global;
 		// Watch for a new set of requests
 		if ( fireGlobals && jQuery.active++ === 0 ) {
 			jQuery.event.trigger( "ajaxStart" );
 			// If data is available and should be processed, append data to url
 			if ( s.data && ( s.processData || typeof s.data === "string" ) ) {
 				cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
-				// #9682: remove data so that it's not used in an eventual retry
+				// trac-9682: remove data so that it's not used in an eventual retry
 				delete s.data;
 			}
 			// Add or update anti-cache param if needed
 			if ( s.cache === false ) {
 jQuery._evalUrl = function( url, options, doc ) {
 	return jQuery.ajax( {
 		url: url,
-		// Make this explicit, since user can override this through ajaxSetup (#11264)
+		// Make this explicit, since user can override this through ajaxSetup (trac-11264)
 		type: "GET",
 		dataType: "script",
 		cache: true,
 		async: false,
 		global: false,
 		// File protocol always yields status code 0, assume 200
 		0: 200,
 		// Support: IE <=9 only
-		// #1450: sometimes IE returns 1223 when it should be 204
+		// trac-1450: sometimes IE returns 1223 when it should be 204
 		1223: 204
 	},
 	xhrSupported = jQuery.ajaxSettings.xhr();
 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
 								if ( typeof xhr.status !== "number" ) {
 									complete( 0, "error" );
 								} else {
 									complete(
-										// File: protocol always yields status 0; see #8605, #14207
+										// File: protocol always yields status 0; see trac-8605, trac-14207
 										xhr.status,
 										xhr.statusText
 									);
 								}
 							} else {
 					// Do send the request (this may raise an exception)
 					xhr.send( options.hasContent && options.data || null );
 				} catch ( e ) {
-					// #14683: Only rethrow if this hasn't been notified as an error yet
+					// trac-14683: Only rethrow if this hasn't been notified as an error yet
 					if ( callback ) {
 						throw e;
 					}
 				}
 			},
 			this.off( selector, "**" ) :
 			this.off( types, selector || "**", fn );
 	},
 	hover: function( fnOver, fnOut ) {
-		return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
+		return this
+			.on( "mouseenter", fnOver )
+			.on( "mouseleave", fnOut || fnOver );
 	}
 } );
 jQuery.each(
 	( "blur focus focusin focusout resize scroll click dblclick " +
 // Support: Android <=4.0 only
 // Make sure we trim BOM and NBSP
-var rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g;
+// Require that the "whitespace run" starts from a non-whitespace
+// to avoid O(N^2) behavior when the engine would try matching "\s+$" at each space position.
+var rtrim = /^[\s\uFEFF\xA0]+|([^\s\uFEFF\xA0])[\s\uFEFF\xA0]+$/g;
 // 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.trim = function( text ) {
 	return text == null ?
 		"" :
-		( text + "" ).replace( rtrim, "" );
+		( text + "" ).replace( rtrim, "$1" );
 };
 // Register as a named AMD module, since jQuery can be concatenated with other
 	return jQuery;
 };
 // Expose jQuery and $ identifiers, even in AMD
-// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
+// (trac-7102#comment:10, https://github.com/jquery/jquery/pull/557)
-// and CommonJS for browser emulators (#13566)
+// and CommonJS for browser emulators (trac-13566)
 if ( typeof noGlobal === "undefined" ) {
 	window.jQuery = window.$ = jQuery;
 }

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