Release 3.1.1

AUTHORS.txt

@@ -77,7 +77,7 @@ Jared Grippe <jared@deadlyicon.com>
 Sylvester Keil <sylvester@keil.or.at>
 Brandon Sterne <bsterne@mozilla.com>
 Mathias Bynens <mathias@qiwi.be>
-Timmy Willison <timmywillisn@gmail.com>
+Timmy Willison <4timmywil@gmail.com>
 Corey Frang <gnarf37@gmail.com>
 Digitalxero <digitalxero>
 Anton Kovalyov <anton@kovalyov.net>

dist/core.js

 /* global Symbol */
-// Defining this global in .eslintrc would create a danger of using the global
+// 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
 
 define( [
@@ -24,7 +24,7 @@ define( [
 "use strict";
 
 var
-	version = "3.1.0",
+	version = "3.1.1",
 
 	// Define a local copy of jQuery
 	jQuery = function( selector, context ) {
@@ -64,13 +64,14 @@ jQuery.fn = jQuery.prototype = {
 	// Get the Nth element in the matched element set OR
 	// Get the whole matched element set as a clean array
 	get: function( num ) {
-		return num != null ?
-
-			// Return just the one element from the set
-			( num < 0 ? this[ num + this.length ] : this[ num ] ) :
 
 		// Return all the elements in a clean array
-			slice.call( this );
+		if ( num == null ) {
+			return slice.call( this );
+		}
+
+		// Return just the one element from the set
+		return num < 0 ? this[ num + this.length ] : this[ num ];
 	},
 
 	// Take an array of elements and push it onto the stack

external/sizzle/dist/sizzle.js

 /*!
- * Sizzle CSS Selector Engine v2.3.0
+ * Sizzle CSS Selector Engine v2.3.3
  * https://sizzlejs.com/
  *
  * Copyright jQuery Foundation and other contributors
  * Released under the MIT license
  * http://jquery.org/license
  *
- * Date: 2016-01-04
+ * Date: 2016-08-08
  */
 (function( window ) {
 
@@ -152,7 +152,7 @@ var i,
 
 	// CSS string/identifier serialization
 	// https://drafts.csswg.org/cssom/#common-serializing-idioms
-	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g,
+	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
 	fcssescape = function( ch, asCodePoint ) {
 		if ( asCodePoint ) {
 
@@ -179,7 +179,7 @@ var i,
 
 	disabledAncestor = addCombinator(
 		function( elem ) {
-			return elem.disabled === true;
+			return elem.disabled === true && ("form" in elem || "label" in elem);
 		},
 		{ dir: "parentNode", next: "legend" }
 	);
@@ -465,26 +465,54 @@ function createButtonPseudo( type ) {
  * @param {Boolean} disabled true for :disabled; false for :enabled
  */
 function createDisabledPseudo( disabled ) {
-	// Known :disabled false positives:
-	// IE: *[disabled]:not(button, input, select, textarea, optgroup, option, menuitem, fieldset)
-	// not IE: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
+
+	// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
 	return function( elem ) {
 
-		// Check form elements and option elements for explicit disabling
-		return "label" in elem && elem.disabled === disabled ||
-			"form" in elem && elem.disabled === disabled ||
+		// Only certain elements can match :enabled or :disabled
+		// https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
+		// https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
+		if ( "form" in elem ) {
+
+			// Check for inherited disabledness on relevant non-disabled elements:
+			// * listed form-associated elements in a disabled fieldset
+			//   https://html.spec.whatwg.org/multipage/forms.html#category-listed
+			//   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
+			// * option elements in a disabled optgroup
+			//   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
+			// All such elements have a "form" property.
+			if ( elem.parentNode && elem.disabled === false ) {
+
+				// Option elements defer to a parent optgroup if present
+				if ( "label" in elem ) {
+					if ( "label" in elem.parentNode ) {
+						return elem.parentNode.disabled === disabled;
+					} else {
+						return elem.disabled === disabled;
+					}
+				}
 
-			// Check non-disabled form elements for fieldset[disabled] ancestors
-			"form" in elem && elem.disabled === false && (
-				// Support: IE6-11+
-				// Ancestry is covered for us
-				elem.isDisabled === disabled ||
+				// Support: IE 6 - 11
+				// Use the isDisabled shortcut property to check for disabled fieldset ancestors
+				return elem.isDisabled === disabled ||
 
-				// Otherwise, assume any non-<option> under fieldset[disabled] is disabled
+					// Where there is no isDisabled, check manually
 					/* jshint -W018 */
 					elem.isDisabled !== !disabled &&
-					("label" in elem || !disabledAncestor( elem )) !== disabled
-			);
+						disabledAncestor( elem ) === disabled;
+			}
+
+			return elem.disabled === disabled;
+
+		// Try to winnow out elements that can't be disabled before trusting the disabled property.
+		// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
+		// even exist on them, let alone have a boolean value.
+		} else if ( "label" in elem ) {
+			return elem.disabled === disabled;
+		}
+
+		// Remaining elements are neither :enabled nor :disabled
+		return false;
 	};
 }
 
@@ -600,25 +628,21 @@ setDocument = Sizzle.setDocument = function( node ) {
 		return !document.getElementsByName || !document.getElementsByName( expando ).length;
 	});
 
-	// ID find and filter
+	// ID filter and find
 	if ( support.getById ) {
-		Expr.find["ID"] = function( id, context ) {
-			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
-				var m = context.getElementById( id );
-				return m ? [ m ] : [];
-			}
-		};
 		Expr.filter["ID"] = function( id ) {
 			var attrId = id.replace( runescape, funescape );
 			return function( elem ) {
 				return elem.getAttribute("id") === attrId;
 			};
 		};
+		Expr.find["ID"] = function( id, context ) {
+			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
+				var elem = context.getElementById( id );
+				return elem ? [ elem ] : [];
+			}
+		};
 	} else {
-		// Support: IE6/7
-		// getElementById is not reliable as a find shortcut
-		delete Expr.find["ID"];
-
 		Expr.filter["ID"] =  function( id ) {
 			var attrId = id.replace( runescape, funescape );
 			return function( elem ) {
@@ -627,6 +651,36 @@ setDocument = Sizzle.setDocument = function( node ) {
 				return node && node.value === attrId;
 			};
 		};
+
+		// Support: IE 6 - 7 only
+		// getElementById is not reliable as a find shortcut
+		Expr.find["ID"] = function( id, context ) {
+			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
+				var node, i, elems,
+					elem = context.getElementById( id );
+
+				if ( elem ) {
+
+					// Verify the id attribute
+					node = elem.getAttributeNode("id");
+					if ( node && node.value === id ) {
+						return [ elem ];
+					}
+
+					// Fall back on getElementsByName
+					elems = context.getElementsByName( id );
+					i = 0;
+					while ( (elem = elems[i++]) ) {
+						node = elem.getAttributeNode("id");
+						if ( node && node.value === id ) {
+							return [ elem ];
+						}
+					}
+				}
+
+				return [];
+			}
+		};
 	}
 
 	// Tag
@@ -1667,6 +1721,7 @@ function addCombinator( matcher, combinator, base ) {
 					return matcher( elem, context, xml );
 				}
 			}
+			return false;
 		} :
 
 		// Check against all ancestor/preceding elements
@@ -1711,6 +1766,7 @@ function addCombinator( matcher, combinator, base ) {
 					}
 				}
 			}
+			return false;
 		};
 }
 
@@ -2073,8 +2129,7 @@ select = Sizzle.select = function( selector, context, results, seed ) {
 		// 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" &&
-				support.getById && 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].replace(runescape, funescape), context ) || [] )[0];
 			if ( !context ) {

package.json

@@ -2,12 +2,12 @@
   "name": "jquery",
   "title": "jQuery",
   "description": "JavaScript library for DOM operations",
-  "version": "3.1.0",
+  "version": "3.1.1",
   "main": "dist/jquery.js",
   "homepage": "https://jquery.com",
   "author": {
     "name": "jQuery Foundation and other contributors",
-    "url": "https://github.com/jquery/jquery/blob/3.1.0/AUTHORS.txt"
+    "url": "https://github.com/jquery/jquery/blob/3.1.1/AUTHORS.txt"
   },
   "repository": {
     "type": "git",
@@ -26,17 +26,17 @@
   "dependencies": {},
   "devDependencies": {
     "babel-preset-es2015": "6.6.0",
-    "commitplease": "2.3.1",
+    "commitplease": "2.6.1",
     "core-js": "2.2.2",
     "cross-spawn": "2.2.3",
-    "eslint-config-jquery": "0.1.6",
+    "eslint-config-jquery": "1.0.0",
     "grunt": "1.0.1",
     "grunt-babel": "6.0.0",
     "grunt-cli": "1.2.0",
     "grunt-compare-size": "0.4.2",
     "grunt-contrib-uglify": "1.0.1",
     "grunt-contrib-watch": "1.0.0",
-    "grunt-eslint": "18.1.0",
+    "grunt-eslint": "19.0.0",
     "grunt-git-authors": "3.2.0",
     "grunt-jsonlint": "1.0.7",
     "grunt-newer": "1.2.0",
@@ -47,23 +47,25 @@
     "jsdom": "5.6.1",
     "load-grunt-tasks": "3.5.0",
     "native-promise-only": "0.8.1",
-    "promises-aplus-tests": "2.1.1",
+    "promises-aplus-tests": "2.1.2",
     "q": "1.4.1",
     "qunit-assert-step": "1.0.3",
     "qunitjs": "1.23.1",
     "requirejs": "2.2.0",
     "sinon": "1.17.3",
-    "sizzle": "2.3.0",
+    "sizzle": "2.3.3",
     "strip-json-comments": "2.0.1",
     "testswarm": "1.1.0"
   },
   "scripts": {
     "build": "npm install && grunt",
     "start": "grunt watch",
-    "test": "grunt && grunt test",
-    "precommit": "grunt precommit_lint"
+    "test": "grunt && grunt test:slow",
+    "precommit": "grunt lint:newer",
+    "commitmsg": "node node_modules/commitplease"
   },
   "commitplease": {
+    "nohook": true,
     "components": [
       "Docs",
       "Tests",
@@ -88,6 +90,8 @@
       "Serialize",
       "Traversing",
       "Wrap"
-    ]
+    ],
+    "markerPattern": "^((clos|fix|resolv)(e[sd]|ing))|(refs?)",
+    "ticketPattern": "^((Closes|Fixes) ([a-zA-Z]{2,}-)[0-9]+)|(Refs? [^#])"
   }
 }

src/ajax.js

 define( [
 	"./core",
 	"./var/document",
-	"./var/rnotwhite",
+	"./var/rnothtmlwhite",
 	"./ajax/var/location",
 	"./ajax/var/nonce",
 	"./ajax/var/rquery",
@@ -11,14 +11,14 @@ define( [
 	"./event/trigger",
 	"./deferred",
 	"./serialize" // jQuery.param
-], function( jQuery, document, rnotwhite, location, nonce, rquery ) {
+], function( jQuery, document, rnothtmlwhite, location, nonce, rquery ) {
 
 "use strict";
 
 var
 	r20 = /%20/g,
 	rhash = /#.*$/,
-	rts = /([?&])_=[^&]*/,
+	rantiCache = /([?&])_=[^&]*/,
 	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
 
 	// #7653, #8125, #8152: local protocol detection
@@ -64,7 +64,7 @@ function addToPrefiltersOrTransports( structure ) {
 
 		var dataType,
 			i = 0,
-			dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
+			dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
 
 		if ( jQuery.isFunction( func ) ) {
 
@@ -532,7 +532,7 @@ jQuery.extend( {
 		s.type = options.method || options.type || s.method || s.type;
 
 		// Extract dataTypes list
-		s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
+		s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
 
 		// A cross-domain request is in order when the origin doesn't match the current origin.
 		if ( s.crossDomain == null ) {
@@ -604,9 +604,9 @@ jQuery.extend( {
 				delete s.data;
 			}
 
-			// Add anti-cache in uncached url if needed
+			// Add or update anti-cache param if needed
 			if ( s.cache === false ) {
-				cacheURL = cacheURL.replace( rts, "" );
+				cacheURL = cacheURL.replace( rantiCache, "$1" );
 				uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
 			}
 

src/ajax/load.js

 define( [
 	"../core",
+	"../core/stripAndCollapse",
 	"../core/parseHTML",
 	"../ajax",
 	"../traversing",
 	"../manipulation",
 	"../selector"
-], function( jQuery ) {
+], function( jQuery, stripAndCollapse ) {
 
 "use strict";
 
@@ -18,7 +19,7 @@ jQuery.fn.load = function( url, params, callback ) {
 		off = url.indexOf( " " );
 
 	if ( off > -1 ) {
-		selector = jQuery.trim( url.slice( off ) );
+		selector = stripAndCollapse( url.slice( off ) );
 		url = url.slice( 0, off );
 	}
 

src/attributes/attr.js

@@ -2,9 +2,9 @@ define( [
 	"../core",
 	"../core/access",
 	"./support",
-	"../var/rnotwhite",
+	"../var/rnothtmlwhite",
 	"../selector"
-], function( jQuery, access, support, rnotwhite ) {
+], function( jQuery, access, support, rnothtmlwhite ) {
 
 "use strict";
 
@@ -89,7 +89,10 @@ jQuery.extend( {
 	removeAttr: function( elem, value ) {
 		var name,
 			i = 0,
-			attrNames = value && value.match( rnotwhite );
+
+			// Attribute names can contain non-HTML whitespace characters
+			// https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
+			attrNames = value && value.match( rnothtmlwhite );
 
 		if ( attrNames && elem.nodeType === 1 ) {
 			while ( ( name = attrNames[ i++ ] ) ) {

src/attributes/classes.js

 define( [
 	"../core",
-	"../var/rnotwhite",
+	"../core/stripAndCollapse",
+	"../var/rnothtmlwhite",
 	"../data/var/dataPriv",
 	"../core/init"
-], function( jQuery, rnotwhite, dataPriv ) {
+], function( jQuery, stripAndCollapse, rnothtmlwhite, dataPriv ) {
 
 "use strict";
 
-var rclass = /[\t\r\n\f]/g;
-
 function getClass( elem ) {
 	return elem.getAttribute && elem.getAttribute( "class" ) || "";
 }
@@ -25,12 +24,11 @@ jQuery.fn.extend( {
 		}
 
 		if ( typeof value === "string" && value ) {
-			classes = value.match( rnotwhite ) || [];
+			classes = value.match( rnothtmlwhite ) || [];
 
 			while ( ( elem = this[ i++ ] ) ) {
 				curValue = getClass( elem );
-				cur = elem.nodeType === 1 &&
-					( " " + curValue + " " ).replace( rclass, " " );
+				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
 
 				if ( cur ) {
 					j = 0;
@@ -41,7 +39,7 @@ jQuery.fn.extend( {
 					}
 
 					// Only assign if different to avoid unneeded rendering.
-					finalValue = jQuery.trim( cur );
+					finalValue = stripAndCollapse( cur );
 					if ( curValue !== finalValue ) {
 						elem.setAttribute( "class", finalValue );
 					}
@@ -67,14 +65,13 @@ jQuery.fn.extend( {
 		}
 
 		if ( typeof value === "string" && value ) {
-			classes = value.match( rnotwhite ) || [];
+			classes = value.match( rnothtmlwhite ) || [];
 
 			while ( ( elem = this[ i++ ] ) ) {
 				curValue = getClass( elem );
 
 				// This expression is here for better compressibility (see addClass)
-				cur = elem.nodeType === 1 &&
-					( " " + curValue + " " ).replace( rclass, " " );
+				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
 
 				if ( cur ) {
 					j = 0;
@@ -87,7 +84,7 @@ jQuery.fn.extend( {
 					}
 
 					// Only assign if different to avoid unneeded rendering.
-					finalValue = jQuery.trim( cur );
+					finalValue = stripAndCollapse( cur );
 					if ( curValue !== finalValue ) {
 						elem.setAttribute( "class", finalValue );
 					}
@@ -122,7 +119,7 @@ jQuery.fn.extend( {
 				// Toggle individual class names
 				i = 0;
 				self = jQuery( this );
-				classNames = value.match( rnotwhite ) || [];
+				classNames = value.match( rnothtmlwhite ) || [];
 
 				while ( ( className = classNames[ i++ ] ) ) {
 
@@ -165,9 +162,7 @@ jQuery.fn.extend( {
 		className = " " + selector + " ";
 		while ( ( elem = this[ i++ ] ) ) {
 			if ( elem.nodeType === 1 &&
-				( " " + getClass( elem ) + " " ).replace( rclass, " " )
-					.indexOf( className ) > -1
-			) {
+				( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
 					return true;
 			}
 		}

src/attributes/prop.js

@@ -66,12 +66,19 @@ jQuery.extend( {
 				// Use proper attribute retrieval(#12072)
 				var tabindex = jQuery.find.attr( elem, "tabindex" );
 
-				return tabindex ?
-					parseInt( tabindex, 10 ) :
+				if ( tabindex ) {
+					return parseInt( tabindex, 10 );
+				}
+
+				if (
 					rfocusable.test( elem.nodeName ) ||
-						rclickable.test( elem.nodeName ) && elem.href ?
-							0 :
-							-1;
+					rclickable.test( elem.nodeName ) &&
+					elem.href
+				) {
+					return 0;
+				}
+
+				return -1;
 			}
 		}
 	},
@@ -88,9 +95,14 @@ jQuery.extend( {
 // on the option
 // The getter ensures a default option is selected
 // when in an optgroup
+// eslint rule "no-unused-expressions" is disabled for this code
+// since it considers such accessions noop
 if ( !support.optSelected ) {
 	jQuery.propHooks.selected = {
 		get: function( elem ) {
+
+			/* eslint no-unused-expressions: "off" */
+
 			var parent = elem.parentNode;
 			if ( parent && parent.parentNode ) {
 				parent.parentNode.selectedIndex;
@@ -98,6 +110,9 @@ if ( !support.optSelected ) {
 			return null;
 		},
 		set: function( elem ) {
+
+			/* eslint no-unused-expressions: "off" */
+
 			var parent = elem.parentNode;
 			if ( parent ) {
 				parent.selectedIndex;

src/attributes/val.js

 define( [
 	"../core",
+	"../core/stripAndCollapse",
 	"./support",
 	"../core/init"
-], function( jQuery, support ) {
+], function( jQuery, stripAndCollapse, support ) {
 
 "use strict";
 
-var rreturn = /\r/g,
-	rspaces = /[\x20\t\r\n\f]+/g;
+var rreturn = /\r/g;
 
 jQuery.fn.extend( {
 	val: function( value ) {
@@ -28,13 +28,13 @@ jQuery.fn.extend( {
 
 				ret = elem.value;
 
-				return typeof ret === "string" ?
-
 				// Handle most common string cases
-					ret.replace( rreturn, "" ) :
+				if ( typeof ret === "string" ) {
+					return ret.replace( rreturn, "" );
+				}
 
 				// Handle cases where value is null/undef or number
-					ret == null ? "" : ret;
+				return ret == null ? "" : ret;
 			}
 
 			return;
@@ -91,20 +91,24 @@ jQuery.extend( {
 					// option.text throws exceptions (#14686, #14858)
 					// Strip and collapse whitespace
 					// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
-					jQuery.trim( jQuery.text( elem ) ).replace( rspaces, " " );
+					stripAndCollapse( jQuery.text( elem ) );
 			}
 		},
 		select: {
 			get: function( elem ) {
-				var value, option,
+				var value, option, i,
 					options = elem.options,
 					index = elem.selectedIndex,
 					one = elem.type === "select-one",
 					values = one ? null : [],
-					max = one ? index + 1 : options.length,
-					i = index < 0 ?
-						max :
-						one ? index : 0;
+					max = one ? index + 1 : options.length;
+
+				if ( index < 0 ) {
+					i = max;
+
+				} else {
+					i = one ? index : 0;
+				}
 
 				// Loop through all the selected options
 				for ( ; i < max; i++ ) {

src/callbacks.js

 define( [
 	"./core",
-	"./var/rnotwhite"
-], function( jQuery, rnotwhite ) {
+	"./var/rnothtmlwhite"
+], function( jQuery, rnothtmlwhite ) {
 
 "use strict";
 
 // Convert String-formatted options into Object-formatted ones
 function createOptions( options ) {
 	var object = {};
-	jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
+	jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
 		object[ flag ] = true;
 	} );
 	return object;

src/core.js

 /* global Symbol */
-// Defining this global in .eslintrc would create a danger of using the global
+// 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
 
 define( [
@@ -24,7 +24,7 @@ define( [
 "use strict";
 
 var
-	version = "3.1.0",
+	version = "3.1.1",
 
 	// Define a local copy of jQuery
 	jQuery = function( selector, context ) {
@@ -64,13 +64,14 @@ jQuery.fn = jQuery.prototype = {
 	// Get the Nth element in the matched element set OR
 	// Get the whole matched element set as a clean array
 	get: function( num ) {
-		return num != null ?
-
-			// Return just the one element from the set
-			( num < 0 ? this[ num + this.length ] : this[ num ] ) :
 
 		// Return all the elements in a clean array
-			slice.call( this );
+		if ( num == null ) {
+			return slice.call( this );
+		}
+
+		// Return just the one element from the set
+		return num < 0 ? this[ num + this.length ] : this[ num ];
 	},
 
 	// Take an array of elements and push it onto the stack

src/core/access.js

@@ -53,13 +53,16 @@ var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
 		}
 	}
 
-	return chainable ?
-		elems :
+	if ( chainable ) {
+		return elems;
+	}
 
 	// Gets
-		bulk ?
-			fn.call( elems ) :
-			len ? fn( elems[ 0 ], key ) : emptyGet;
+	if ( bulk ) {
+		return fn.call( elems );
+	}
+
+	return len ? fn( elems[ 0 ], key ) : emptyGet;
 };
 
 return access;

src/core/ready-no-deferred.js

@@ -6,7 +6,6 @@ define( [
 "use strict";
 
 var readyCallbacks = [],
-	readyFiring = false,
 	whenReady = function( fn ) {
 		readyCallbacks.push( fn );
 	},
@@ -60,17 +59,12 @@ jQuery.extend( {
 		whenReady = function( fn ) {
 			readyCallbacks.push( fn );
 
-			if ( !readyFiring ) {
-				readyFiring = true;
-
 			while ( readyCallbacks.length ) {
 				fn = readyCallbacks.shift();
 				if ( jQuery.isFunction( fn ) ) {
 					executeReady( fn );
 				}
 			}
-				readyFiring = false;
-			}
 		};
 
 		whenReady();

src/core/stripAndCollapse.js

+define( [
+	"../var/rnothtmlwhite"
+], function( rnothtmlwhite ) {
+	"use strict";
+
+	// Strip and collapse whitespace according to HTML spec
+	// https://html.spec.whatwg.org/multipage/infrastructure.html#strip-and-collapse-whitespace
+	function stripAndCollapse( value ) {
+		var tokens = value.match( rnothtmlwhite ) || [];
+		return tokens.join( " " );
+	}
+
+	return stripAndCollapse;
+} );

src/css.js

@@ -70,15 +70,17 @@ function setPositiveNumber( elem, value, subtract ) {
 }
 
 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
-	var i = extra === ( isBorderBox ? "border" : "content" ) ?
+	var i,
+		val = 0;
 
 	// If we already have the right measurement, avoid augmentation
-		4 :
+	if ( extra === ( isBorderBox ? "border" : "content" ) ) {
+		i = 4;
 
 	// Otherwise initialize for horizontal or vertical properties
-		name === "width" ? 1 : 0,
-
-		val = 0;
+	} else {
+		i = name === "width" ? 1 : 0;
+	}
 
 	for ( ; i < 4; i += 2 ) {
 

src/css/showHide.js

@@ -18,7 +18,7 @@ function getDefaultDisplay( elem ) {
 		return display;
 	}
 
-	temp = doc.body.appendChild( doc.createElement( nodeName ) ),
+	temp = doc.body.appendChild( doc.createElement( nodeName ) );
 	display = jQuery.css( temp, "display" );
 
 	temp.parentNode.removeChild( temp );

src/data.js

@@ -20,6 +20,31 @@ define( [
 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
 	rmultiDash = /[A-Z]/g;
 
+function getData( data ) {
+	if ( data === "true" ) {
+		return true;
+	}
+
+	if ( data === "false" ) {
+		return false;
+	}
+
+	if ( data === "null" ) {
+		return null;
+	}
+
+	// Only convert to a number if it doesn't change the string
+	if ( data === +data + "" ) {
+		return +data;
+	}
+
+	if ( rbrace.test( data ) ) {
+		return JSON.parse( data );
+	}
+
+	return data;
+}
+
 function dataAttr( elem, key, data ) {
 	var name;
 
@@ -31,14 +56,7 @@ function dataAttr( elem, key, data ) {
 
 		if ( typeof data === "string" ) {
 			try {
-				data = data === "true" ? true :
-					data === "false" ? false :
-					data === "null" ? null :
-
-					// Only convert to a number if it doesn't change the string
-					+data + "" === data ? +data :
-					rbrace.test( data ) ? JSON.parse( data ) :
-					data;
+				data = getData( data );
 			} catch ( e ) {}
 
 			// Make sure we set the data so it isn't changed later

src/data/Data.js

 define( [
 	"../core",
-	"../var/rnotwhite",
+	"../var/rnothtmlwhite",
 	"./var/acceptData"
-], function( jQuery, rnotwhite, acceptData ) {
+], function( jQuery, rnothtmlwhite, acceptData ) {
 
 "use strict";
 
@@ -127,7 +127,7 @@ Data.prototype = {
 				// Otherwise, create an array by matching non-whitespace
 				key = key in cache ?
 					[ key ] :
-					( key.match( rnotwhite ) || [] );
+					( key.match( rnothtmlwhite ) || [] );
 			}
 
 			i = key.length;

src/effects.js

@@ -2,7 +2,7 @@ define( [
 	"./core",
 	"./var/document",
 	"./var/rcssNum",
-	"./var/rnotwhite",
+	"./var/rnothtmlwhite",
 	"./css/var/cssExpand",
 	"./css/var/isHiddenWithinTree",
 	"./css/var/swap",
@@ -17,7 +17,7 @@ define( [
 	"./manipulation",
 	"./css",
 	"./effects/Tween"
-], function( jQuery, document, rcssNum, rnotwhite, cssExpand, isHiddenWithinTree, swap,
+], function( jQuery, document, rcssNum, rnothtmlwhite, cssExpand, isHiddenWithinTree, swap,
 	adjustCSS, dataPriv, showHide ) {
 
 "use strict";
@@ -415,7 +415,7 @@ jQuery.Animation = jQuery.extend( Animation, {
 			callback = props;
 			props = [ "*" ];
 		} else {
-			props = props.match( rnotwhite );
+			props = props.match( rnothtmlwhite );
 		}
 
 		var prop,
@@ -453,9 +453,14 @@ jQuery.speed = function( speed, easing, fn ) {
 		opt.duration = 0;
 
 	} else {
-		opt.duration = typeof opt.duration === "number" ?
-			opt.duration : opt.duration in jQuery.fx.speeds ?
-				jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
+		if ( typeof opt.duration !== "number" ) {
+			if ( opt.duration in jQuery.fx.speeds ) {
+				opt.duration = jQuery.fx.speeds[ opt.duration ];
+
+			} else {
+				opt.duration = jQuery.fx.speeds._default;
+			}
+		}
 	}
 
 	// Normalize opt.queue - true/undefined/null -> "fx"

src/event.js

@@ -2,13 +2,13 @@ define( [
 	"./core",
 	"./var/document",
 	"./var/documentElement",
-	"./var/rnotwhite",
+	"./var/rnothtmlwhite",
 	"./var/slice",
 	"./data/var/dataPriv",
 
 	"./core/init",
 	"./selector"
-], function( jQuery, document, documentElement, rnotwhite, slice, dataPriv ) {
+], function( jQuery, document, documentElement, rnothtmlwhite, slice, dataPriv ) {
 
 "use strict";
 
@@ -147,7 +147,7 @@ jQuery.event = {
 		}
 
 		// Handle multiple events separated by a space
-		types = ( types || "" ).match( rnotwhite ) || [ "" ];
+		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
 		t = types.length;
 		while ( t-- ) {
 			tmp = rtypenamespace.exec( types[ t ] ) || [];
@@ -229,7 +229,7 @@ jQuery.event = {
 		}
 
 		// Once for each type.namespace in types; type may be omitted
-		types = ( types || "" ).match( rnotwhite ) || [ "" ];
+		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
 		t = types.length;
 		while ( t-- ) {
 			tmp = rtypenamespace.exec( types[ t ] ) || [];
@@ -355,51 +355,58 @@ jQuery.event = {
 	},
 
 	handlers: function( event, handlers ) {
-		var i, matches, sel, handleObj,
+		var i, handleObj, sel, matchedHandlers, matchedSelectors,
 			handlerQueue = [],
 			delegateCount = handlers.delegateCount,
 			cur = event.target;
 
-		// Support: IE <=9
 		// Find delegate handlers
-		// Black-hole SVG <use> instance trees (#13180)
-		//
+		if ( delegateCount &&
+
+			// Support: IE <=9
+			// Black-hole SVG <use> instance trees (trac-13180)
+			cur.nodeType &&
+
 			// Support: Firefox <=42
-		// Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343)
-		if ( delegateCount && cur.nodeType &&
-			( event.type !== "click" || isNaN( event.button ) || event.button < 1 ) ) {
+			// Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
+			// https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
+			// Support: IE 11 only
+			// ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
+			!( event.type === "click" && event.button >= 1 ) ) {
 
 			for ( ; cur !== this; cur = cur.parentNode || this ) {
 
 				// Don't check non-elements (#13208)
 				// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
-				if ( cur.nodeType === 1 && ( cur.disabled !== true || event.type !== "click" ) ) {
-					matches = [];
+				if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
+					matchedHandlers = [];
+					matchedSelectors = {};
 					for ( i = 0; i < delegateCount; i++ ) {
 						handleObj = handlers[ i ];
 
 						// Don't conflict with Object.prototype properties (#13203)
 						sel = handleObj.selector + " ";
 
-						if ( matches[ sel ] === undefined ) {
-							matches[ sel ] = handleObj.needsContext ?
+						if ( matchedSelectors[ sel ] === undefined ) {
+							matchedSelectors[ sel ] = handleObj.needsContext ?
 								jQuery( sel, this ).index( cur ) > -1 :
 								jQuery.find( sel, this, null, [ cur ] ).length;
 						}
-						if ( matches[ sel ] ) {
-							matches.push( handleObj );
+						if ( matchedSelectors[ sel ] ) {
+							matchedHandlers.push( handleObj );
 						}
 					}
-					if ( matches.length ) {
-						handlerQueue.push( { elem: cur, handlers: matches } );
+					if ( matchedHandlers.length ) {
+						handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
 					}
 				}
 			}
 		}
 
 		// Add the remaining (directly-bound) handlers
+		cur = this;
 		if ( delegateCount < handlers.length ) {
-			handlerQueue.push( { elem: this, handlers: handlers.slice( delegateCount ) } );
+			handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
 		}
 
 		return handlerQueue;
@@ -633,7 +640,19 @@ jQuery.each( {
 
 		// Add which for click: 1 === left; 2 === middle; 3 === right
 		if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
-			return ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
+			if ( button & 1 ) {
+				return 1;
+			}
+
+			if ( button & 2 ) {
+				return 3;
+			}
+
+			if ( button & 4 ) {
+				return 2;
+			}
+
+			return 0;
 		}
 
 		return event.which;

src/exports/global.js

-/* ExcludeStart */
+define( [
+	"../core"
+], function( jQuery, noGlobal ) {
 
-// This file is included in a different way from all the others
-// so the "use strict" pragma is not needed.
-/* eslint strict: "off" */
-
-/* ExcludeEnd */
+"use strict";
 
 var
 
@@ -32,3 +30,5 @@ jQuery.noConflict = function( deep ) {
 if ( !noGlobal ) {
 	window.jQuery = window.$ = jQuery;
 }
+
+} );

src/jquery.js

@@ -30,11 +30,12 @@ define( [
 	"./offset",
 	"./dimensions",
 	"./deprecated",
-	"./exports/amd"
+	"./exports/amd",
+	"./exports/global"
 ], function( jQuery ) {
 
 "use strict";
 
-return ( window.jQuery = window.$ = jQuery );
+return jQuery;
 
 } );

src/manipulation/getAll.js

@@ -8,15 +8,23 @@ function getAll( context, tag ) {
 
 	// Support: IE <=9 - 11 only
 	// Use typeof to avoid zero-argument method invocation on host objects (#15151)
-	var ret = typeof context.getElementsByTagName !== "undefined" ?
-			context.getElementsByTagName( tag || "*" ) :
-			typeof context.querySelectorAll !== "undefined" ?
-				context.querySelectorAll( tag || "*" ) :
-			[];
-
-	return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
-		jQuery.merge( [ context ], ret ) :
-		ret;
+	var ret;
+
+	if ( typeof context.getElementsByTagName !== "undefined" ) {
+		ret = context.getElementsByTagName( tag || "*" );
+
+	} else if ( typeof context.querySelectorAll !== "undefined" ) {
+		ret = context.querySelectorAll( tag || "*" );
+
+	} else {
+		ret = [];
+	}
+
+	if ( tag === undefined || tag && jQuery.nodeName( context, tag ) ) {
+		return jQuery.merge( [ context ], ret );
+	}
+
+	return ret;
 }
 
 return getAll;

src/serialize.js

@@ -111,13 +111,17 @@ jQuery.fn.extend( {
 		.map( function( i, elem ) {
 			var val = jQuery( this ).val();
 
-			return val == null ?
-				null :
-				jQuery.isArray( val ) ?
-					jQuery.map( val, function( val ) {
+			if ( val == null ) {
+				return null;
+			}
+
+			if ( jQuery.isArray( val ) ) {
+				return jQuery.map( val, function( val ) {
+					return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+				} );
+			}
+
 			return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
-					} ) :
-					{ name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
 		} ).get();
 	}
 } );

src/traversing/findFilter.js

@@ -15,24 +15,29 @@ function winnow( elements, qualifier, not ) {
 		return jQuery.grep( elements, function( elem, i ) {
 			return !!qualifier.call( elem, i, elem ) !== not;
 		} );
-
 	}
 
+	// Single element
 	if ( qualifier.nodeType ) {
 		return jQuery.grep( elements, function( elem ) {
 			return ( elem === qualifier ) !== not;
 		} );
+	}
 
+	// Arraylike of elements (jQuery, arguments, Array)
+	if ( typeof qualifier !== "string" ) {
+		return jQuery.grep( elements, function( elem ) {
+			return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
+		} );
 	}
 
-	if ( typeof qualifier === "string" ) {
+	// Simple selector that can be filtered directly, removing non-Elements
 	if ( risSimple.test( qualifier ) ) {
 		return jQuery.filter( qualifier, elements, not );
 	}
 
+	// Complex selector, compare the two sets, removing non-Elements
 	qualifier = jQuery.filter( qualifier, elements );
-	}
-
 	return jQuery.grep( elements, function( elem ) {
 		return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1;
 	} );
@@ -45,9 +50,11 @@ jQuery.filter = function( expr, elems, not ) {
 		expr = ":not(" + expr + ")";
 	}
 
-	return elems.length === 1 && elem.nodeType === 1 ?
-		jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
-		jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
+	if ( elems.length === 1 && elem.nodeType === 1 ) {
+		return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
+	}
+
+	return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
 		return elem.nodeType === 1;
 	} ) );
 };

src/var/rnothtmlwhite.js

+define( function() {
+	"use strict";
+
+	// Only count HTML whitespace
+	// Other whitespace should count in values
+	// https://html.spec.whatwg.org/multipage/infrastructure.html#space-character
+	return ( /[^\x20\t\r\n\f]+/g );
+} );

src/var/rnotwhite.js

-define( function() {
-	"use strict";
-
-	return ( /\S+/g );
-} );