Release 2.2.4

AUTHORS.txt

@@ -6,10 +6,10 @@ Michael Geary <mike@geary.com>
 Stefan Petre <stefan.petre@gmail.com>
 Yehuda Katz <wycats@gmail.com>
 Corey Jewett <cj@syntheticplayground.com>
-Klaus Hartl <klaus.hartl@googlemail.com>
+Klaus Hartl <klaus.hartl@gmail.com>
 Franck Marcia <franck.marcia@gmail.com>
 Jörn Zaefferer <joern.zaefferer@gmail.com>
-Paul Bakaus <paul.bakaus@googlemail.com>
+Paul Bakaus <paul.bakaus@gmail.com>
 Brandon Aaron <brandon.aaron@gmail.com>
 Mike Alsup <malsup@gmail.com>
 Dave Methvin <dave.methvin@gmail.com>
@@ -47,7 +47,7 @@ Matt Curry <matt@pseudocoder.com>
 Michael Monteleone <michael@michaelmonteleone.net>
 Noah Sloan <noah.sloan@gmail.com>
 Tom Viner <github@viner.tv>
-Douglas Neiner <doug@pixelgraphics.us>
+Douglas Neiner <doug@dougneiner.com>
 Adam J. Sontag <ajpiano@ajpiano.com>
 Dave Reed <dareed@microsoft.com>
 Ralph Whitbeck <ralph.whitbeck@gmail.com>
@@ -57,7 +57,7 @@ J. Ryan Stinnett <jryans@gmail.com>
 unknown <Igen005@.upcorp.ad.uprr.com>
 temp01 <temp01irc@gmail.com>
 Heungsub Lee <h@subl.ee>
-Colin Snover <colin@alpha.zetafleet.com>
+Colin Snover <github.com@zetafleet.com>
 Ryan W Tenney <ryan@10e.us>
 Pinhook <contact@pinhooklabs.com>
 Ron Otten <r.j.g.otten@gmail.com>
@@ -69,7 +69,7 @@ Henri Wiechers <hwiechers@gmail.com>
 Russell Holbrook <russell.holbrook@patch.com>
 Julian Aubourg <aubourg.julian@gmail.com>
 Gianni Alessandro Chiappetta <gianni@runlevel6.org>
-Scott Jehl <scott@scottjehl.com>
+Scott Jehl <scottjehl@gmail.com>
 James Burke <jrburke@gmail.com>
 Jonas Pfenniger <jonas@pfenniger.name>
 Xavi Ramirez <xavi.rmz@gmail.com>
@@ -78,10 +78,10 @@ Sylvester Keil <sylvester@keil.or.at>
 Brandon Sterne <bsterne@mozilla.com>
 Mathias Bynens <mathias@qiwi.be>
 Timmy Willison <timmywillisn@gmail.com>
-Corey Frang <gnarf@gnarf.net>
+Corey Frang <gnarf37@gmail.com>
 Digitalxero <digitalxero>
 Anton Kovalyov <anton@kovalyov.net>
-David Murdoch <musicisair@yahoo.com>
+David Murdoch <david@davidmurdoch.com>
 Josh Varner <josh.varner@gmail.com>
 Charles McNulty <cmcnulty@kznf.com>
 Jordan Boesch <jboesch26@gmail.com>
@@ -139,7 +139,7 @@ Chris Faulkner <thefaulkner@gmail.com>
 Elijah Manor <elijah.manor@gmail.com>
 Daniel Chatfield <chatfielddaniel@gmail.com>
 Nikita Govorov <nikita.govorov@gmail.com>
-Wesley Walser <wwalser@atlassian.com>
+Wesley Walser <waw325@gmail.com>
 Mike Pennisi <mike@mikepennisi.com>
 Markus Staab <markus.staab@redaxo.de>
 Dave Riddle <david@joyvuu.com>
@@ -170,6 +170,8 @@ Paul Ramos <paul.b.ramos@gmail.com>
 Rod Vagg <rod@vagg.org>
 Bennett Sorbo <bsorbo@gmail.com>
 Sebastian Burkhard <sebi.burkhard@gmail.com>
+Zachary Adam Kaplan <razic@viralkitty.com>
+nanto_vi <nanto@moon.email.ne.jp>
 nanto <nanto@moon.email.ne.jp>
 Danil Somsikov <danilasomsikov@gmail.com>
 Ryunosuke SATO <tricknotes.rs@gmail.com>
@@ -177,62 +179,70 @@ Jean Boussier <jean.boussier@gmail.com>
 Adam Coulombe <me@adam.co>
 Andrew Plummer <plummer.andrew@gmail.com>
 Mark Raddatz <mraddatz@gmail.com>
+Isaac Z. Schlueter <i@izs.me>
+Karl Sieburg <ksieburg@yahoo.com>
+Pascal Borreli <pascal@borreli.com>
+Nguyen Phuc Lam <ruado1987@gmail.com>
 Dmitry Gusev <dmitry.gusev@gmail.com>
 Michał Gołębiowski <m.goleb@gmail.com>
-Nguyen Phuc Lam <ruado1987@gmail.com>
+Li Xudong <istonelee@gmail.com>
+Steven Benner <admin@stevenbenner.com>
 Tom H Fuertes <tomfuertes@gmail.com>
-Brandon Johnson <bjohn465+github@gmail.com>
+Renato Oliveira dos Santos <ros3@cin.ufpe.br>
+ros3cin <ros3@cin.ufpe.br>
 Jason Bedard <jason+jquery@jbedard.ca>
 Kyle Robinson Young <kyle@dontkry.com>
-Renato Oliveira dos Santos <ros3@cin.ufpe.br>
 Chris Talkington <chris@talkingtontech.com>
 Eddie Monge <eddie@eddiemonge.com>
 Terry Jones <terry@jon.es>
 Jason Merino <jasonmerino@gmail.com>
 Jeremy Dunck <jdunck@gmail.com>
 Chris Price <price.c@gmail.com>
+Guy Bedford <guybedford@gmail.com>
 Amey Sakhadeo <me@ameyms.com>
+Mike Sidorov <mikes.ekb@gmail.com>
 Anthony Ryan <anthonyryan1@gmail.com>
 Dominik D. Geyer <dominik.geyer@gmail.com>
 George Kats <katsgeorgeek@gmail.com>
 Lihan Li <frankieteardrop@gmail.com>
 Ronny Springer <springer.ronny@gmail.com>
-Marian Sollmann <marian.sollmann@cargomedia.ch>
-Corey Frang <gnarf37@gmail.com>
 Chris Antaki <ChrisAntaki@gmail.com>
-Noah Hamann <njhamann@gmail.com>
+Marian Sollmann <marian.sollmann@cargomedia.ch>
+njhamann <njhamann@gmail.com>
+Ilya Kantor <iliakan@gmail.com>
 David Hong <d.hong@me.com>
+John Paul <john@johnkpaul.com>
 Jakob Stoeck <jakob@pokermania.de>
-Christopher Jones <christopherjonesqed@gmail.com>
+Christopher Jones <chris@cjqed.com>
 Forbes Lindesay <forbes@lindesay.co.uk>
-John Paul <john@johnkpaul.com>
 S. Andrew Sheppard <andrew@wq.io>
 Leonardo Balter <leonardo.balter@gmail.com>
 Roman Reiß <me@silverwind.io>
 Benjy Cui <benjytrys@gmail.com>
 Rodrigo Rosenfeld Rosas <rr.rosas@gmail.com>
 John Hoven <hovenj@gmail.com>
+Philip Jägenstedt <philip@foolip.org>
 Christian Kosmowski <ksmwsk@gmail.com>
 Liang Peng <poppinlp@gmail.com>
 TJ VanToll <tj.vantoll@gmail.com>
 Senya Pugach <upisfree@outlook.com>
 Aurelio De Rosa <aurelioderosa@gmail.com>
 Nazar Mokrynskyi <nazar@mokrynskyi.com>
+Amit Merchant <bullredeyes@gmail.com>
+Jason Bedard <jason+github@jbedard.ca>
 Arthur Verschaeve <contact@arthurverschaeve.be>
 Dan Hart <danhart@notonthehighstreet.com>
-Scott González <scott.gonzalez@gmail.com>
-Zheming Sun <mescodasun@gmail.com>
 Bin Xin <rhyzix@gmail.com>
 David Corbacho <davidcorbacho@gmail.com>
 Veaceslav Grimalschi <grimalschi@yandex.ru>
 Daniel Husar <dano.husar@gmail.com>
-Jason Bedard <jason+github@jbedard.ca>
+Frederic Hemberger <mail@frederic-hemberger.de>
 Ben Toews <mastahyeti@gmail.com>
 Aditya Raghavan <araghavan3@gmail.com>
+Victor Homyakov <vkhomyackov@gmail.com>
+Shivaji Varma <contact@shivajivarma.com>
 Nicolas HENRY <icewil@gmail.com>
-Norman Xu <homyu.shinn@gmail.com>
 Anne-Gaelle Colom <coloma@westminster.ac.uk>
-Victor Homyakov <vkhomyackov@gmail.com>
 George Mauer <gmauer@gmail.com>
 Leonardo Braga <leonardo.braga@gmail.com>
 Stephen Edgar <stephen@netweb.com.au>
@@ -246,20 +256,22 @@ Calvin Metcalf <calvin.metcalf@gmail.com>
 Mu Haibao <mhbseal@163.com>
 Richard McDaniel <rm0026@uah.edu>
 Chris Rebert <github@rebertia.com>
+Gabriel Schulhof <gabriel.schulhof@intel.com>
 Gilad Peleg <giladp007@gmail.com>
 Martin Naumann <martin@geekonaut.de>
+Marek Lewandowski <m.lewandowski@cksource.com>
 Bruno Pérel <brunoperel@gmail.com>
 Reed Loden <reed@reedloden.com>
 Daniel Nill <daniellnill@gmail.com>
 Yongwoo Jeon <yongwoo.jeon@navercorp.com>
 Sean Henderson <seanh.za@gmail.com>
-Adrian Olek <adrianolek@gmail.com>
 Richard Kraaijenhagen <stdin+git@riichard.com>
+Connor Atherton <c.liam.atherton@gmail.com>
 Gary Ye <garysye@gmail.com>
 Christian Grete <webmaster@christiangrete.com>
 Liza Ramo <liza.h.ramo@gmail.com>
-Joelle Fleurantin <joasqueeniebee@gmail.com>
 Julian Alexander Murillo <julian.alexander.murillo@gmail.com>
+Joelle Fleurantin <joasqueeniebee@gmail.com>
 Jun Sun <klsforever@gmail.com>
 Devin Wilson <dwilson6.github@gmail.com>
 Todor Prikumov <tono_pr@abv.bg>

package.json

@@ -2,12 +2,12 @@
   "name": "jquery",
   "title": "jQuery",
   "description": "JavaScript library for DOM operations",
-  "version": "1.12.4",
+  "version": "2.2.4",
   "main": "dist/jquery.js",
   "homepage": "http://jquery.com",
   "author": {
     "name": "jQuery Foundation and other contributors",
-    "url": "https://github.com/jquery/jquery/blob/1.12-stable/AUTHORS.txt"
+    "url": "https://github.com/jquery/jquery/blob/2.2.4/AUTHORS.txt"
   },
   "repository": {
     "type": "git",
@@ -41,11 +41,10 @@
     "gzip-js": "0.3.2",
     "jsdom": "5.6.1",
     "load-grunt-tasks": "1.0.0",
-    "npm": "2.1.12",
     "qunitjs": "1.17.1",
     "qunit-assert-step": "1.0.3",
     "requirejs": "2.1.17",
-    "sinon": "1.12.2",
+    "sinon": "1.10.3",
     "sizzle": "2.2.1",
     "strip-json-comments": "1.0.3",
     "testswarm": "1.1.0",

src/.jshintrc

@@ -10,7 +10,6 @@
 	"undef": true,
 	"unused": true,
 
-	"evil": true,
 	"sub": true,
 
 	// Support: IE < 10, Android < 4.1
@@ -23,8 +22,8 @@
 		"JSON": false,
 
 		"jQuery": true,
-		"define": false,
-		"module": false,
+		"define": true,
+		"module": true,
 		"noGlobal": true
 	}
 }

src/ajax.js

@@ -9,21 +9,19 @@ define( [
 	"./core/init",
 	"./ajax/parseJSON",
 	"./ajax/parseXML",
+	"./event/trigger",
 	"./deferred"
 ], function( jQuery, document, rnotwhite, location, nonce, rquery ) {
 
 var
 	rhash = /#.*$/,
 	rts = /([?&])_=[^&]*/,
-
-	// IE leaves an \r character at EOL
-	rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg,
+	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
 
 	// #7653, #8125, #8152: local protocol detection
 	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
 	rnoContent = /^(?:GET|HEAD)$/,
 	rprotocol = /^\/\//,
-	rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
 
 	/* Prefilters
 	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
@@ -46,11 +44,9 @@ var
 	// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
 	allTypes = "*/".concat( "*" ),
 
-	// Document location
-	ajaxLocation = location.href,
-
-	// Segment location into parts
-	ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
+	// Anchor tag for parsing the document origin
+	originAnchor = document.createElement( "a" );
+	originAnchor.href = location.href;
 
 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
 function addToPrefiltersOrTransports( structure ) {
@@ -73,7 +69,7 @@ function addToPrefiltersOrTransports( structure ) {
 			while ( ( dataType = dataTypes[ i++ ] ) ) {
 
 				// Prepend if requested
-				if ( dataType.charAt( 0 ) === "+" ) {
+				if ( dataType[ 0 ] === "+" ) {
 					dataType = dataType.slice( 1 ) || "*";
 					( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
 
@@ -117,7 +113,7 @@ function inspectPrefiltersOrTransports( structure, options, originalOptions, jqX
 // that takes "flat" options (not to be deep extended)
 // Fixes #9887
 function ajaxExtend( target, src ) {
-	var deep, key,
+	var key, deep,
 		flatOptions = jQuery.ajaxSettings.flatOptions || {};
 
 	for ( key in src ) {
@@ -137,7 +133,8 @@ function ajaxExtend( target, src ) {
  * - returns the corresponding response
  */
 function ajaxHandleResponses( s, jqXHR, responses ) {
-	var firstDataType, ct, finalDataType, type,
+
+	var ct, type, finalDataType, firstDataType,
 		contents = s.contents,
 		dataTypes = s.dataTypes;
 
@@ -226,7 +223,7 @@ function ajaxConvert( s, response, jqXHR, isSuccess ) {
 
 		if ( current ) {
 
-			// There's only work to do if current dataType is non-auto
+		// There's only work to do if current dataType is non-auto
 			if ( current === "*" ) {
 
 				current = prev;
@@ -269,7 +266,7 @@ function ajaxConvert( s, response, jqXHR, isSuccess ) {
 				if ( conv !== true ) {
 
 					// Unless errors are allowed to bubble, catch and return them
-					if ( conv && s[ "throws" ] ) { // jscs:ignore requireDotNotation
+					if ( conv && s.throws ) {
 						response = conv( response );
 					} else {
 						try {
@@ -299,9 +296,9 @@ jQuery.extend( {
 	etag: {},
 
 	ajaxSettings: {
-		url: ajaxLocation,
+		url: location.href,
 		type: "GET",
-		isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
+		isLocal: rlocalProtocol.test( location.protocol ),
 		global: true,
 		processData: true,
 		async: true,
@@ -393,30 +390,26 @@ jQuery.extend( {
 		// Force options to be an object
 		options = options || {};
 
-		var
-
-			// Cross-domain detection vars
-			parts,
-
-			// Loop variable
-			i,
+		var transport,
 
 			// URL without anti-cache param
 			cacheURL,
 
-			// Response headers as string
+			// Response headers
 			responseHeadersString,
+			responseHeaders,
 
 			// timeout handle
 			timeoutTimer,
 
+			// Url cleanup var
+			urlAnchor,
+
 			// To know if global events are to be dispatched
 			fireGlobals,
 
-			transport,
-
-			// Response headers
-			responseHeaders,
+			// Loop variable
+			i,
 
 			// Create the final options object
 			s = jQuery.ajaxSetup( {}, options ),
@@ -525,12 +518,11 @@ jQuery.extend( {
 		jqXHR.error = jqXHR.fail;
 
 		// Remove hash character (#7531: and string promotion)
-		// Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
+		// Add protocol if not provided (prefilters might expect it)
 		// Handle falsy url in the settings object (#10093: consistency with old signature)
 		// We also use the url parameter if available
-		s.url = ( ( url || s.url || ajaxLocation ) + "" )
-			.replace( rhash, "" )
-			.replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
+		s.url = ( ( url || s.url || location.href ) + "" ).replace( rhash, "" )
+			.replace( rprotocol, location.protocol + "//" );
 
 		// Alias method option to type as per ticket #12004
 		s.type = options.method || options.type || s.method || s.type;
@@ -538,14 +530,26 @@ jQuery.extend( {
 		// Extract dataTypes list
 		s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
 
-		// A cross-domain request is in order when we have a protocol:host:port mismatch
+		// A cross-domain request is in order when the origin doesn't match the current origin.
 		if ( s.crossDomain == null ) {
-			parts = rurl.exec( s.url.toLowerCase() );
-			s.crossDomain = !!( parts &&
-				( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
-					( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
-						( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
-			);
+			urlAnchor = document.createElement( "a" );
+
+			// Support: IE8-11+
+			// IE throws exception if url is malformed, e.g. http://example.com:80x/
+			try {
+				urlAnchor.href = s.url;
+
+				// Support: IE8-11+
+				// Anchor's host property isn't correctly set when s.url is relative
+				urlAnchor.href = urlAnchor.href;
+				s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
+					urlAnchor.protocol + "//" + urlAnchor.host;
+			} catch ( e ) {
+
+				// If there is an error parsing the URL, assume it is crossDomain,
+				// it can be rejected by the transport if it is invalid
+				s.crossDomain = true;
+			}
 		}
 
 		// Convert data if not already a string
@@ -640,7 +644,7 @@ jQuery.extend( {
 			return jqXHR.abort();
 		}
 
-		// aborting is no longer a cancellation
+		// Aborting is no longer a cancellation
 		strAbort = "abort";
 
 		// Install callbacks on deferreds
@@ -761,8 +765,7 @@ jQuery.extend( {
 				}
 			} else {
 
-				// We extract error from statusText
-				// then normalize statusText and status for non-aborts
+				// Extract error from statusText and normalize for non-aborts
 				error = statusText;
 				if ( status || !statusText ) {
 					statusText = "error";
@@ -820,7 +823,7 @@ jQuery.extend( {
 jQuery.each( [ "get", "post" ], function( i, method ) {
 	jQuery[ method ] = function( url, data, callback, type ) {
 
-		// shift arguments if data argument was omitted
+		// Shift arguments if data argument was omitted
 		if ( jQuery.isFunction( data ) ) {
 			type = type || callback;
 			callback = data;

src/ajax/jsonp.js

@@ -53,7 +53,7 @@ jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
 			return responseContainer[ 0 ];
 		};
 
-		// force json dataType
+		// Force json dataType
 		s.dataTypes[ 0 ] = "json";
 
 		// Install callback
@@ -77,10 +77,10 @@ jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
 			// Save back as free
 			if ( s[ callbackName ] ) {
 
-				// make sure that re-using the options doesn't screw things around
+				// Make sure that re-using the options doesn't screw things around
 				s.jsonpCallback = originalSettings.jsonpCallback;
 
-				// save the callback name for future use
+				// Save the callback name for future use
 				oldCallbacks.push( callbackName );
 			}
 

src/ajax/load.js

@@ -26,7 +26,7 @@ jQuery.fn.load = function( url, params, callback ) {
 		off = url.indexOf( " " );
 
 	if ( off > -1 ) {
-		selector = jQuery.trim( url.slice( off, url.length ) );
+		selector = jQuery.trim( url.slice( off ) );
 		url = url.slice( 0, off );
 	}
 

src/ajax/parseJSON.js

@@ -2,50 +2,10 @@ define( [
 	"../core"
 ], function( jQuery ) {
 
-var rvalidtokens = /(,)|(\[|{)|(}|])|"(?:[^"\\\r\n]|\\["\\\/bfnrt]|\\u[\da-fA-F]{4})*"\s*:?|true|false|null|-?(?!0\d)\d+(?:\.\d+|)(?:[eE][+-]?\d+|)/g;
-
+// Support: Android 2.3
+// Workaround failure to string-cast null input
 jQuery.parseJSON = function( data ) {
-
-	// Attempt to parse using the native JSON parser first
-	if ( window.JSON && window.JSON.parse ) {
-
-		// Support: Android 2.3
-		// Workaround failure to string-cast null input
-		return window.JSON.parse( data + "" );
-	}
-
-	var requireNonComma,
-		depth = null,
-		str = jQuery.trim( data + "" );
-
-	// Guard against invalid (and possibly dangerous) input by ensuring that nothing remains
-	// after removing valid tokens
-	return str && !jQuery.trim( str.replace( rvalidtokens, function( token, comma, open, close ) {
-
-		// Force termination if we see a misplaced comma
-		if ( requireNonComma && comma ) {
-			depth = 0;
-		}
-
-		// Perform no more replacements after returning to outermost depth
-		if ( depth === 0 ) {
-			return token;
-		}
-
-		// Commas must not follow "[", "{", or ","
-		requireNonComma = open || comma;
-
-		// Determine new depth
-		// array/object open ("[" or "{"): depth += true - false (increment)
-		// array/object close ("]" or "}"): depth += false - true (decrement)
-		// other cases ("," or primitive): depth += true - true (numeric cast)
-		depth += !close - !open;
-
-		// Remove this token
-		return "";
-	} ) ) ?
-		( Function( "return " + str ) )() :
-		jQuery.error( "Invalid JSON: " + data );
+	return JSON.parse( data + "" );
 };
 
 return jQuery.parseJSON;

src/ajax/parseXML.js

@@ -4,23 +4,19 @@ define( [
 
 // Cross-browser xml parsing
 jQuery.parseXML = function( data ) {
-	var xml, tmp;
+	var xml;
 	if ( !data || typeof data !== "string" ) {
 		return null;
 	}
+
+	// Support: IE9
 	try {
-		if ( window.DOMParser ) { // Standard
-			tmp = new window.DOMParser();
-			xml = tmp.parseFromString( data, "text/xml" );
-		} else { // IE
-			xml = new window.ActiveXObject( "Microsoft.XMLDOM" );
-			xml.async = "false";
-			xml.loadXML( data );
-		}
+		xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
 	} catch ( e ) {
 		xml = undefined;
 	}
-	if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
+
+	if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
 		jQuery.error( "Invalid XML: " + data );
 	}
 	return xml;

src/ajax/script.js

@@ -21,14 +21,13 @@ jQuery.ajaxSetup( {
 	}
 } );
 
-// Handle cache's special case and global
+// Handle cache's special case and crossDomain
 jQuery.ajaxPrefilter( "script", function( s ) {
 	if ( s.cache === undefined ) {
 		s.cache = false;
 	}
 	if ( s.crossDomain ) {
 		s.type = "GET";
-		s.global = false;
 	}
 } );
 
@@ -37,55 +36,29 @@ jQuery.ajaxTransport( "script", function( s ) {
 
 	// This transport only deals with cross domain requests
 	if ( s.crossDomain ) {
-
-		var script,
-			head = document.head || jQuery( "head" )[ 0 ] || document.documentElement;
-
+		var script, callback;
 		return {
-
-			send: function( _, callback ) {
-
-				script = document.createElement( "script" );
-
-				script.async = true;
-
-				if ( s.scriptCharset ) {
-					script.charset = s.scriptCharset;
-				}
-
-				script.src = s.url;
-
-				// Attach handlers for all browsers
-				script.onload = script.onreadystatechange = function( _, isAbort ) {
-
-					if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
-
-						// Handle memory leak in IE
-						script.onload = script.onreadystatechange = null;
-
-						// Remove the script
-						if ( script.parentNode ) {
-							script.parentNode.removeChild( script );
-						}
-
-						// Dereference the script
-						script = null;
-
-						// Callback if not abort
-						if ( !isAbort ) {
-							callback( 200, "success" );
+			send: function( _, complete ) {
+				script = jQuery( "<script>" ).prop( {
+					charset: s.scriptCharset,
+					src: s.url
+				} ).on(
+					"load error",
+					callback = function( evt ) {
+						script.remove();
+						callback = null;
+						if ( evt ) {
+							complete( evt.type === "error" ? 404 : 200, evt.type );
 						}
 					}
-				};
+				);
 
-				// Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
 				// Use native DOM manipulation to avoid our domManip AJAX trickery
-				head.insertBefore( script, head.firstChild );
+				document.head.appendChild( script[ 0 ] );
 			},
-
 			abort: function() {
-				if ( script ) {
-					script.onload( undefined, true );
+				if ( callback ) {
+					callback();
 				}
 			}
 		};

src/attributes.js

 define( [
 	"./core",
-	"./attributes/val",
 	"./attributes/attr",
 	"./attributes/prop",
-	"./attributes/classes"
+	"./attributes/classes",
+	"./attributes/val"
 ], function( jQuery ) {
 
 // Return jQuery for attributes-only inclusion

src/attributes/attr.js

@@ -3,15 +3,11 @@ define( [
 	"../core/access",
 	"./support",
 	"../var/rnotwhite",
-	"./val",
 	"../selector"
 ], function( jQuery, access, support, rnotwhite ) {
 
-var nodeHook, boolHook,
-	attrHandle = jQuery.expr.attrHandle,
-	ruseDefault = /^(?:checked|selected)$/i,
-	getSetAttribute = support.getSetAttribute,
-	getSetInput = support.input;
+var boolHook,
+	attrHandle = jQuery.expr.attrHandle;
 
 jQuery.fn.extend( {
 	attr: function( name, value ) {
@@ -45,7 +41,7 @@ jQuery.extend( {
 		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
 			name = name.toLowerCase();
 			hooks = jQuery.attrHooks[ name ] ||
-				( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
+				( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
 		}
 
 		if ( value !== undefined ) {
@@ -78,9 +74,6 @@ jQuery.extend( {
 			set: function( elem, value ) {
 				if ( !support.radioValue && value === "radio" &&
 					jQuery.nodeName( elem, "input" ) ) {
-
-					// Setting the type on a radio button after the value resets the value in IE8-9
-					// Reset value to default in case type is set after value during creation
 					var val = elem.value;
 					elem.setAttribute( "type", value );
 					if ( val ) {
@@ -105,22 +98,10 @@ jQuery.extend( {
 				if ( jQuery.expr.match.bool.test( name ) ) {
 
 					// Set corresponding property to false
-					if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
-						elem[ propName ] = false;
-
-					// Support: IE<9
-					// Also clear defaultChecked/defaultSelected (if appropriate)
-					} else {
-						elem[ jQuery.camelCase( "default-" + name ) ] =
-							elem[ propName ] = false;
-					}
-
-				// See #9699 for explanation of this approach (setting first, then removal)
-				} else {
-					jQuery.attr( elem, name, "" );
+					elem[ propName ] = false;
 				}
 
-				elem.removeAttribute( getSetAttribute ? name : propName );
+				elem.removeAttribute( name );
 			}
 		}
 	}
@@ -133,149 +114,29 @@ boolHook = {
 
 			// Remove boolean attributes when set to false
 			jQuery.removeAttr( elem, name );
-		} else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
-
-			// IE<8 needs the *property* name
-			elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
-
 		} else {
-
-			// Support: IE<9
-			// Use defaultChecked and defaultSelected for oldIE
-			elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
+			elem.setAttribute( name, name );
 		}
 		return name;
 	}
 };
-
 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
 	var getter = attrHandle[ name ] || jQuery.find.attr;
 
-	if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
-		attrHandle[ name ] = function( elem, name, isXML ) {
-			var ret, handle;
-			if ( !isXML ) {
-
-				// Avoid an infinite loop by temporarily removing this function from the getter
-				handle = attrHandle[ name ];
-				attrHandle[ name ] = ret;
-				ret = getter( elem, name, isXML ) != null ?
-					name.toLowerCase() :
-					null;
-				attrHandle[ name ] = handle;
-			}
-			return ret;
-		};
-	} else {
-		attrHandle[ name ] = function( elem, name, isXML ) {
-			if ( !isXML ) {
-				return elem[ jQuery.camelCase( "default-" + name ) ] ?
-					name.toLowerCase() :
-					null;
-			}
-		};
-	}
-} );
-
-// fix oldIE attroperties
-if ( !getSetInput || !getSetAttribute ) {
-	jQuery.attrHooks.value = {
-		set: function( elem, value, name ) {
-			if ( jQuery.nodeName( elem, "input" ) ) {
-
-				// Does not return so that setAttribute is also used
-				elem.defaultValue = value;
-			} else {
-
-				// Use nodeHook if defined (#1954); otherwise setAttribute is fine
-				return nodeHook && nodeHook.set( elem, value, name );
-			}
+	attrHandle[ name ] = function( elem, name, isXML ) {
+		var ret, handle;
+		if ( !isXML ) {
+
+			// Avoid an infinite loop by temporarily removing this function from the getter
+			handle = attrHandle[ name ];
+			attrHandle[ name ] = ret;
+			ret = getter( elem, name, isXML ) != null ?
+				name.toLowerCase() :
+				null;
+			attrHandle[ name ] = handle;
 		}
+		return ret;
 	};
-}
-
-// IE6/7 do not support getting/setting some attributes with get/setAttribute
-if ( !getSetAttribute ) {
-
-	// Use this for any attribute in IE6/7
-	// This fixes almost every IE6/7 issue
-	nodeHook = {
-		set: function( elem, value, name ) {
-
-			// Set the existing or create a new attribute node
-			var ret = elem.getAttributeNode( name );
-			if ( !ret ) {
-				elem.setAttributeNode(
-					( ret = elem.ownerDocument.createAttribute( name ) )
-				);
-			}
-
-			ret.value = value += "";
-
-			// Break association with cloned elements by also using setAttribute (#9646)
-			if ( name === "value" || value === elem.getAttribute( name ) ) {
-				return value;
-			}
-		}
-	};
-
-	// Some attributes are constructed with empty-string values when not defined
-	attrHandle.id = attrHandle.name = attrHandle.coords =
-		function( elem, name, isXML ) {
-			var ret;
-			if ( !isXML ) {
-				return ( ret = elem.getAttributeNode( name ) ) && ret.value !== "" ?
-					ret.value :
-					null;
-			}
-		};
-
-	// Fixing value retrieval on a button requires this module
-	jQuery.valHooks.button = {
-		get: function( elem, name ) {
-			var ret = elem.getAttributeNode( name );
-			if ( ret && ret.specified ) {
-				return ret.value;
-			}
-		},
-		set: nodeHook.set
-	};
-
-	// Set contenteditable to false on removals(#10429)
-	// Setting to empty string throws an error as an invalid value
-	jQuery.attrHooks.contenteditable = {
-		set: function( elem, value, name ) {
-			nodeHook.set( elem, value === "" ? false : value, name );
-		}
-	};
-
-	// Set width and height to auto instead of 0 on empty string( Bug #8150 )
-	// This is for removals
-	jQuery.each( [ "width", "height" ], function( i, name ) {
-		jQuery.attrHooks[ name ] = {
-			set: function( elem, value ) {
-				if ( value === "" ) {
-					elem.setAttribute( name, "auto" );
-					return value;
-				}
-			}
-		};
-	} );
-}
-
-if ( !support.style ) {
-	jQuery.attrHooks.style = {
-		get: function( elem ) {
-
-			// Return undefined in the case of empty string
-			// Note: IE uppercases css property names, but if we were to .toLowerCase()
-			// .cssText, that would destroy case sensitivity in URL's, like in "background"
-			return elem.style.cssText || undefined;
-		},
-		set: function( elem, value ) {
-			return ( elem.style.cssText = value + "" );
-		}
-	};
-}
+} );
 
 } );

src/attributes/classes.js

 define( [
 	"../core",
 	"../var/rnotwhite",
+	"../data/var/dataPriv",
 	"../core/init"
-], function( jQuery, rnotwhite ) {
+], function( jQuery, rnotwhite, dataPriv ) {
 
 var rclass = /[\t\r\n\f]/g;
 
 function getClass( elem ) {
-	return jQuery.attr( elem, "class" ) || "";
+	return elem.getAttribute && elem.getAttribute( "class" ) || "";
 }
 
 jQuery.fn.extend( {
@@ -37,10 +38,10 @@ jQuery.fn.extend( {
 						}
 					}
 
-					// only assign if different to avoid unneeded rendering.
+					// Only assign if different to avoid unneeded rendering.
 					finalValue = jQuery.trim( cur );
 					if ( curValue !== finalValue ) {
-						jQuery.attr( elem, "class", finalValue );
+						elem.setAttribute( "class", finalValue );
 					}
 				}
 			}
@@ -86,7 +87,7 @@ jQuery.fn.extend( {
 					// Only assign if different to avoid unneeded rendering.
 					finalValue = jQuery.trim( cur );
 					if ( curValue !== finalValue ) {
-						jQuery.attr( elem, "class", finalValue );
+						elem.setAttribute( "class", finalValue );
 					}
 				}
 			}
@@ -136,19 +137,21 @@ jQuery.fn.extend( {
 				className = getClass( this );
 				if ( className ) {
 
-					// store className if set
-					jQuery._data( this, "__className__", className );
+					// Store className if set
+					dataPriv.set( this, "__className__", className );
 				}
 
-				// If the element has a class name or if we're passed "false",
+				// If the element has a class name or if we're passed `false`,
 				// then remove the whole classname (if there was one, the above saved it).
 				// Otherwise bring back whatever was previously saved (if anything),
 				// falling back to the empty string if nothing was stored.
-				jQuery.attr( this, "class",
-					className || value === false ?
-					"" :
-					jQuery._data( this, "__className__" ) || ""
-				);
+				if ( this.setAttribute ) {
+					this.setAttribute( "class",
+						className || value === false ?
+						"" :
+						dataPriv.get( this, "__className__" ) || ""
+					);
+				}
 			}
 		} );
 	},

src/attributes/prop.js

@@ -5,7 +5,7 @@ define( [
 	"../selector"
 ], function( jQuery, access, support ) {
 
-var rfocusable = /^(?:input|select|textarea|button|object)$/i,
+var rfocusable = /^(?:input|select|textarea|button)$/i,
 	rclickable = /^(?:a|area)$/i;
 
 jQuery.fn.extend( {
@@ -14,14 +14,8 @@ jQuery.fn.extend( {
 	},
 
 	removeProp: function( name ) {
-		name = jQuery.propFix[ name ] || name;
 		return this.each( function() {
-
-			// try/catch handles cases where IE balks (such as removing a property on window)
-			try {
-				this[ name ] = undefined;
-				delete this[ name ];
-			} catch ( e ) {}
+			delete this[ jQuery.propFix[ name ] || name ];
 		} );
 	}
 } );
@@ -85,21 +79,7 @@ jQuery.extend( {
 	}
 } );
 
-// Some attributes require a special call on IE
-// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
-if ( !support.hrefNormalized ) {
-
-	// href/src property should get the full normalized URL (#10299/#12915)
-	jQuery.each( [ "href", "src" ], function( i, name ) {
-		jQuery.propHooks[ name ] = {
-			get: function( elem ) {
-				return elem.getAttribute( name, 4 );
-			}
-		};
-	} );
-}
-
-// Support: Safari, IE9+
+// Support: IE <=11 only
 // Accessing the selectedIndex property
 // forces the browser to respect setting selected
 // on the option
@@ -109,14 +89,8 @@ if ( !support.optSelected ) {
 	jQuery.propHooks.selected = {
 		get: function( elem ) {
 			var parent = elem.parentNode;
-
-			if ( parent ) {
-				parent.selectedIndex;
-
-				// Make sure that it also works with optgroups, see #5701
-				if ( parent.parentNode ) {
-					parent.parentNode.selectedIndex;
-				}
+			if ( parent && parent.parentNode ) {
+				parent.parentNode.selectedIndex;
 			}
 			return null;
 		},
@@ -148,9 +122,4 @@ jQuery.each( [
 	jQuery.propFix[ this.toLowerCase() ] = this;
 } );
 
-// IE6/7 call enctype encoding
-if ( !support.enctype ) {
-	jQuery.propFix.enctype = "encoding";
-}
-
 } );

src/attributes/support.js

@@ -4,64 +4,30 @@ define( [
 ], function( document, support ) {
 
 ( function() {
-	var a,
-		input = document.createElement( "input" ),
-		div = document.createElement( "div" ),
+	var input = document.createElement( "input" ),
 		select = document.createElement( "select" ),
 		opt = select.appendChild( document.createElement( "option" ) );
 
-	// Setup
-	div = document.createElement( "div" );
-	div.setAttribute( "className", "t" );
-	div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
-	a = div.getElementsByTagName( "a" )[ 0 ];
+	input.type = "checkbox";
 
-	// Support: Windows Web Apps (WWA)
-	// `type` must use .setAttribute for WWA (#14901)
-	input.setAttribute( "type", "checkbox" );
-	div.appendChild( input );
+	// Support: iOS<=5.1, Android<=4.2+
+	// Default value for a checkbox should be "on"
+	support.checkOn = input.value !== "";
 
-	a = div.getElementsByTagName( "a" )[ 0 ];
-
-	// First batch of tests.
-	a.style.cssText = "top:1px";
-
-	// Test setAttribute on camelCase class.
-	// If it works, we need attrFixes when doing get/setAttribute (ie6/7)
-	support.getSetAttribute = div.className !== "t";
-
-	// Get the style information from getAttribute
-	// (IE uses .cssText instead)
-	support.style = /top/.test( a.getAttribute( "style" ) );
-
-	// Make sure that URLs aren't manipulated
-	// (IE normalizes it by default)
-	support.hrefNormalized = a.getAttribute( "href" ) === "/a";
-
-	// Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
-	support.checkOn = !!input.value;
-
-	// Make sure that a selected-by-default option has a working selected property.
-	// (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
+	// Support: IE<=11+
+	// Must access selectedIndex to make default options select
 	support.optSelected = opt.selected;
 
-	// Tests for enctype support on a form (#6743)
-	support.enctype = !!document.createElement( "form" ).enctype;
-
-	// Make sure that the options inside disabled selects aren't marked as disabled
-	// (WebKit marks them as disabled)
+	// Support: Android<=2.3
+	// Options inside disabled selects are incorrectly marked as disabled
 	select.disabled = true;
 	support.optDisabled = !opt.disabled;
 
-	// Support: IE8 only
-	// Check if we can trust getAttribute("value")
+	// Support: IE<=11+
+	// An input loses its value after becoming a radio
 	input = document.createElement( "input" );
-	input.setAttribute( "value", "" );
-	support.input = input.getAttribute( "value" ) === "";
-
-	// Check if an input maintains its value after becoming a radio
 	input.value = "t";
-	input.setAttribute( "type", "radio" );
+	input.type = "radio";
 	support.radioValue = input.value === "t";
 } )();
 

src/attributes/val.js

@@ -17,8 +17,7 @@ jQuery.fn.extend( {
 				hooks = jQuery.valHooks[ elem.type ] ||
 					jQuery.valHooks[ elem.nodeName.toLowerCase() ];
 
-				if (
-					hooks &&
+				if ( hooks &&
 					"get" in hooks &&
 					( ret = hooks.get( elem, "value" ) ) !== undefined
 				) {
@@ -29,10 +28,10 @@ jQuery.fn.extend( {
 
 				return typeof ret === "string" ?
 
-					// handle most common string cases
+					// Handle most common string cases
 					ret.replace( rreturn, "" ) :
 
-					// handle cases where value is null/undef or number
+					// Handle cases where value is null/undef or number
 					ret == null ? "" : ret;
 			}
 
@@ -57,8 +56,10 @@ jQuery.fn.extend( {
 			// Treat null/undefined as ""; convert numbers to string
 			if ( val == null ) {
 				val = "";
+
 			} else if ( typeof val === "number" ) {
 				val += "";
+
 			} else if ( jQuery.isArray( val ) ) {
 				val = jQuery.map( val, function( value ) {
 					return value == null ? "" : value + "";
@@ -79,6 +80,7 @@ jQuery.extend( {
 	valHooks: {
 		option: {
 			get: function( elem ) {
+
 				var val = jQuery.find.attr( elem, "value" );
 				return val != null ?
 					val :
@@ -106,13 +108,12 @@ jQuery.extend( {
 				for ( ; i < max; i++ ) {
 					option = options[ i ];
 
-					// oldIE doesn't update selected after form reset (#2551)
+					// IE8-9 doesn't update selected after form reset (#2551)
 					if ( ( option.selected || i === index ) &&
 
 							// Don't return options that are disabled or in a disabled optgroup
 							( support.optDisabled ?
-								!option.disabled :
-								option.getAttribute( "disabled" ) === null ) &&
+								!option.disabled : option.getAttribute( "disabled" ) === null ) &&
 							( !option.parentNode.disabled ||
 								!jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
 
@@ -140,24 +141,10 @@ jQuery.extend( {
 
 				while ( i-- ) {
 					option = options[ i ];
-
-					if ( jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 ) {
-
-						// Support: IE6
-						// When new option element is added to select box we need to
-						// force reflow of newly added node in order to workaround delay
-						// of initialization properties
-						try {
-							option.selected = optionSet = true;
-
-						} catch ( _ ) {
-
-							// Will be executed only in IE6
-							option.scrollHeight;
-						}
-
-					} else {
-						option.selected = false;
+					if ( option.selected =
+						jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
+					) {
+						optionSet = true;
 					}
 				}
 
@@ -165,8 +152,7 @@ jQuery.extend( {
 				if ( !optionSet ) {
 					elem.selectedIndex = -1;
 				}
-
-				return options;
+				return values;
 			}
 		}
 	}

src/callbacks.js

@@ -190,9 +190,9 @@ jQuery.Callbacks = function( options ) {
 			// Also disable .add unless we have memory (since it would have no effect)
 			// Abort any pending executions
 			lock: function() {
-				locked = true;
+				locked = queue = [];
 				if ( !memory ) {
-					self.disable();
+					list = memory = "";
 				}
 				return this;
 			},

src/core.js

 define( [
-	"./var/deletedIds",
+	"./var/arr",
 	"./var/document",
 	"./var/slice",
 	"./var/concat",
@@ -9,8 +9,7 @@ define( [
 	"./var/toString",
 	"./var/hasOwn",
 	"./var/support"
-], function( deletedIds, document, slice, concat, push, indexOf,
-	class2type, toString, hasOwn, support ) {
+], function( arr, document, slice, concat, push, indexOf, class2type, toString, hasOwn, support ) {
 
 var
 	version = "@VERSION",
@@ -23,7 +22,7 @@ var
 		return new jQuery.fn.init( selector, context );
 	},
 
-	// Support: Android<4.1, IE<9
+	// Support: Android<4.1
 	// Make sure we trim BOM and NBSP
 	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
 
@@ -116,12 +115,12 @@ jQuery.fn = jQuery.prototype = {
 	// For internal use only.
 	// Behaves like an Array's method, not like a jQuery method.
 	push: push,
-	sort: deletedIds.sort,
-	splice: deletedIds.splice
+	sort: arr.sort,
+	splice: arr.splice
 };
 
 jQuery.extend = jQuery.fn.extend = function() {
-	var src, copyIsArray, copy, name, options, clone,
+	var options, name, src, copy, copyIsArray, clone,
 		target = arguments[ 0 ] || {},
 		i = 1,
 		length = arguments.length,
@@ -131,7 +130,7 @@ jQuery.extend = jQuery.fn.extend = function() {
 	if ( typeof target === "boolean" ) {
 		deep = target;
 
-		// skip the boolean and the target
+		// Skip the boolean and the target
 		target = arguments[ i ] || {};
 		i++;
 	}
@@ -141,7 +140,7 @@ jQuery.extend = jQuery.fn.extend = function() {
 		target = {};
 	}
 
-	// extend jQuery itself if only one argument is passed
+	// Extend jQuery itself if only one argument is passed
 	if ( i === length ) {
 		target = this;
 		i--;
@@ -203,20 +202,14 @@ jQuery.extend( {
 
 	noop: function() {},
 
-	// See test/unit/core.js for details concerning isFunction.
-	// Since version 1.3, DOM methods and functions like alert
-	// aren't supported. They return false on IE (#2968).
 	isFunction: function( obj ) {
 		return jQuery.type( obj ) === "function";
 	},
 
-	isArray: Array.isArray || function( obj ) {
-		return jQuery.type( obj ) === "array";
-	},
+	isArray: Array.isArray,
 
 	isWindow: function( obj ) {
-		/* jshint eqeqeq: false */
-		return obj != null && obj == obj.window;
+		return obj != null && obj === obj.window;
 	},
 
 	isNumeric: function( obj ) {
@@ -229,77 +222,78 @@ jQuery.extend( {
 		return !jQuery.isArray( obj ) && ( realStringObj - parseFloat( realStringObj ) + 1 ) >= 0;
 	},
 
-	isEmptyObject: function( obj ) {
-		var name;
-		for ( name in obj ) {
-			return false;
-		}
-		return true;
-	},
-
 	isPlainObject: function( obj ) {
 		var key;
 
-		// Must be an Object.
-		// Because of IE, we also have to check the presence of the constructor property.
-		// Make sure that DOM nodes and window objects don't pass through, as well
-		if ( !obj || jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
+		// Not plain objects:
+		// - Any object or value whose internal [[Class]] property is not "[object Object]"
+		// - DOM nodes
+		// - window
+		if ( jQuery.type( obj ) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
 			return false;
 		}
 
-		try {
-
-			// Not own constructor property must be Object
-			if ( obj.constructor &&
+		// Not own constructor property must be Object
+		if ( obj.constructor &&
 				!hasOwn.call( obj, "constructor" ) &&
-				!hasOwn.call( obj.constructor.prototype, "isPrototypeOf" ) ) {
-				return false;
-			}
-		} catch ( e ) {
-
-			// IE8,9 Will throw exceptions on certain host objects #9897
+				!hasOwn.call( obj.constructor.prototype || {}, "isPrototypeOf" ) ) {
 			return false;
 		}
 
-		// Support: IE<9
-		// Handle iteration over inherited properties before own properties.
-		if ( !support.ownFirst ) {
-			for ( key in obj ) {
-				return hasOwn.call( obj, key );
-			}
-		}
-
 		// Own properties are enumerated firstly, so to speed up,
-		// if last one is own, then all properties are own.
+		// if last one is own, then all properties are own
 		for ( key in obj ) {}
 
 		return key === undefined || hasOwn.call( obj, key );
 	},
 
+	isEmptyObject: function( obj ) {
+		var name;
+		for ( name in obj ) {
+			return false;
+		}
+		return true;
+	},
+
 	type: function( obj ) {
 		if ( obj == null ) {
 			return obj + "";
 		}
+
+		// Support: Android<4.0, iOS<6 (functionish RegExp)
 		return typeof obj === "object" || typeof obj === "function" ?
 			class2type[ toString.call( obj ) ] || "object" :
 			typeof obj;
 	},
 
-	// Workarounds based on findings by Jim Driscoll
-	// http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
-	globalEval: function( data ) {
-		if ( data && jQuery.trim( data ) ) {
-
-			// We use execScript on Internet Explorer
-			// We use an anonymous function so that context is window
-			// rather than jQuery in Firefox
-			( window.execScript || function( data ) {
-				window[ "eval" ].call( window, data ); // jscs:ignore requireDotNotation
-			} )( data );
+	// Evaluates a script in a global context
+	globalEval: function( code ) {
+		var script,
+			indirect = eval;
+
+		code = jQuery.trim( code );
+
+		if ( code ) {
+
+			// If the code includes a valid, prologue position
+			// strict mode pragma, execute code by injecting a
+			// script tag into the document.
+			if ( code.indexOf( "use strict" ) === 1 ) {
+				script = document.createElement( "script" );
+				script.text = code;
+				document.head.appendChild( script ).parentNode.removeChild( script );
+			} else {
+
+				// Otherwise, avoid the DOM node creation, insertion
+				// and removal by using an indirect global eval
+
+				indirect( code );
+			}
 		}
 	},
 
 	// Convert dashed to camelCase; used by the css and data modules
+	// Support: IE9-11+
 	// Microsoft forgot to hump their vendor prefix (#9572)
 	camelCase: function( string ) {
 		return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
@@ -330,7 +324,7 @@ jQuery.extend( {
 		return obj;
 	},
 
-	// Support: Android<4.1, IE<9
+	// Support: Android<4.1
 	trim: function( text ) {
 		return text == null ?
 			"" :
@@ -356,26 +350,7 @@ jQuery.extend( {
 	},
 
 	inArray: function( elem, arr, i ) {
-		var len;
-
-		if ( arr ) {
-			if ( indexOf ) {
-				return indexOf.call( arr, elem, i );
-			}
-
-			len = arr.length;
-			i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
-
-			for ( ; i < len; i++ ) {
-
-				// Skip accessing in sparse arrays
-				if ( i in arr && arr[ i ] === elem ) {
-					return i;
-				}
-			}
-		}
-
-		return -1;
+		return arr == null ? -1 : indexOf.call( arr, elem, i );
 	},
 
 	merge: function( first, second ) {
@@ -383,16 +358,8 @@ jQuery.extend( {
 			j = 0,
 			i = first.length;
 
-		while ( j < len ) {
-			first[ i++ ] = second[ j++ ];
-		}
-
-		// Support: IE<9
-		// Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists)
-		if ( len !== len ) {
-			while ( second[ j ] !== undefined ) {
-				first[ i++ ] = second[ j++ ];
-			}
+		for ( ; j < len; j++ ) {
+			first[ i++ ] = second[ j ];
 		}
 
 		first.length = i;
@@ -457,7 +424,7 @@ jQuery.extend( {
 	// Bind a function to a context, optionally partially applying any
 	// arguments.
 	proxy: function( fn, context ) {
-		var args, proxy, tmp;
+		var tmp, args, proxy;
 
 		if ( typeof context === "string" ) {
 			tmp = fn[ context ];
@@ -483,9 +450,7 @@ jQuery.extend( {
 		return proxy;
 	},
 
-	now: function() {
-		return +( new Date() );
-	},
+	now: Date.now,
 
 	// jQuery.support is not used in Core but other projects attach their
 	// properties to it so it needs to exist.
@@ -498,7 +463,7 @@ jQuery.extend( {
 // three lines.
 /* jshint ignore: start */
 if ( typeof Symbol === "function" ) {
-	jQuery.fn[ Symbol.iterator ] = deletedIds[ Symbol.iterator ];
+	jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
 }
 /* jshint ignore: end */
 

src/core/access.js

@@ -6,7 +6,7 @@ define( [
 // The value/s can optionally be executed if it's a function
 var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
 	var i = 0,
-		length = elems.length,
+		len = elems.length,
 		bulk = key == null;
 
 	// Sets many values
@@ -41,11 +41,11 @@ var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
 		}
 
 		if ( fn ) {
-			for ( ; i < length; i++ ) {
+			for ( ; i < len; i++ ) {
 				fn(
-					elems[ i ],
-					key,
-					raw ? value : value.call( elems[ i ], i, fn( elems[ i ], key ) )
+					elems[ i ], key, raw ?
+					value :
+					value.call( elems[ i ], i, fn( elems[ i ], key ) )
 				);
 			}
 		}
@@ -57,7 +57,7 @@ var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
 		// Gets
 		bulk ?
 			fn.call( elems ) :
-			length ? fn( elems[ 0 ], key ) : emptyGet;
+			len ? fn( elems[ 0 ], key ) : emptyGet;
 };
 
 return access;

src/core/init.js

@@ -22,14 +22,14 @@ var rootjQuery,
 			return this;
 		}
 
-		// init accepts an alternate rootjQuery
+		// Method init() accepts an alternate rootjQuery
 		// so migrate can support jQuery.sub (gh-2101)
 		root = root || rootjQuery;
 
 		// Handle HTML strings
 		if ( typeof selector === "string" ) {
-			if ( selector.charAt( 0 ) === "<" &&
-				selector.charAt( selector.length - 1 ) === ">" &&
+			if ( selector[ 0 ] === "<" &&
+				selector[ selector.length - 1 ] === ">" &&
 				selector.length >= 3 ) {
 
 				// Assume that strings that start and end with <> are HTML and skip the regex check
@@ -46,7 +46,7 @@ var rootjQuery,
 				if ( match[ 1 ] ) {
 					context = context instanceof jQuery ? context[ 0 ] : context;
 
-					// scripts is true for back-compat
+					// Option to run scripts is true for back-compat
 					// Intentionally let the error be thrown if parseHTML is not present
 					jQuery.merge( this, jQuery.parseHTML(
 						match[ 1 ],
@@ -75,17 +75,11 @@ var rootjQuery,
 				} else {
 					elem = document.getElementById( match[ 2 ] );
 
-					// Check parentNode to catch when Blackberry 4.6 returns
-					// nodes that are no longer in the document #6963
+					// Support: Blackberry 4.6
+					// gEBID returns nodes no longer in the document (#6963)
 					if ( elem && elem.parentNode ) {
 
-						// Handle the case where IE and Opera return items
-						// by name instead of ID
-						if ( elem.id !== match[ 2 ] ) {
-							return rootjQuery.find( selector );
-						}
-
-						// Otherwise, we inject the element directly into the jQuery object
+						// Inject the element directly into the jQuery object
 						this.length = 1;
 						this[ 0 ] = elem;
 					}
@@ -114,7 +108,7 @@ var rootjQuery,
 		// HANDLE: $(function)
 		// Shortcut for document ready
 		} else if ( jQuery.isFunction( selector ) ) {
-			return typeof root.ready !== "undefined" ?
+			return root.ready !== undefined ?
 				root.ready( selector ) :
 
 				// Execute immediately if ready is not present

src/core/parseHTML.js

@@ -5,7 +5,7 @@ define( [
 	"../manipulation/buildFragment"
 ], function( jQuery, document, rsingleTag, buildFragment ) {
 
-// data: string of html
+// Argument "data" should be string of html
 // context (optional): If specified, the fragment will be created in this context,
 // defaults to document
 // keepScripts (optional): If true, will include scripts passed in the html string

src/core/ready.js

@@ -61,33 +61,13 @@ jQuery.extend( {
 	}
 } );
 
-/**
- * Clean-up method for dom ready events
- */
-function detach() {
-	if ( document.addEventListener ) {
-		document.removeEventListener( "DOMContentLoaded", completed );
-		window.removeEventListener( "load", completed );
-
-	} else {
-		document.detachEvent( "onreadystatechange", completed );
-		window.detachEvent( "onload", completed );
-	}
-}
-
 /**
  * The ready event handler and self cleanup method
  */
 function completed() {
-
-	// readyState === "complete" is good enough for us to call the dom ready in oldIE
-	if ( document.addEventListener ||
-		window.event.type === "load" ||
-		document.readyState === "complete" ) {
-
-		detach();
-		jQuery.ready();
-	}
+	document.removeEventListener( "DOMContentLoaded", completed );
+	window.removeEventListener( "load", completed );
+	jQuery.ready();
 }
 
 jQuery.ready.promise = function( obj ) {
@@ -97,7 +77,7 @@ jQuery.ready.promise = function( obj ) {
 
 		// Catch cases where $(document).ready() is called
 		// after the browser event has already occurred.
-		// Support: IE6-10
+		// Support: IE9-10 only
 		// Older IE sometimes signals "interactive" too soon
 		if ( document.readyState === "complete" ||
 			( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
@@ -105,53 +85,13 @@ jQuery.ready.promise = function( obj ) {
 			// Handle it asynchronously to allow scripts the opportunity to delay ready
 			window.setTimeout( jQuery.ready );
 
-		// Standards-based browsers support DOMContentLoaded
-		} else if ( document.addEventListener ) {
+		} else {
 
 			// Use the handy event callback
 			document.addEventListener( "DOMContentLoaded", completed );
 
 			// A fallback to window.onload, that will always work
 			window.addEventListener( "load", completed );
-
-		// If IE event model is used
-		} else {
-
-			// Ensure firing before onload, maybe late but safe also for iframes
-			document.attachEvent( "onreadystatechange", completed );
-
-			// A fallback to window.onload, that will always work
-			window.attachEvent( "onload", completed );
-
-			// If IE and not a frame
-			// continually check to see if the document is ready
-			var top = false;
-
-			try {
-				top = window.frameElement == null && document.documentElement;
-			} catch ( e ) {}
-
-			if ( top && top.doScroll ) {
-				( function doScrollCheck() {
-					if ( !jQuery.isReady ) {
-
-						try {
-
-							// Use the trick by Diego Perini
-							// http://javascript.nwbox.com/IEContentLoaded/
-							top.doScroll( "left" );
-						} catch ( e ) {
-							return window.setTimeout( doScrollCheck, 50 );
-						}
-
-						// detach all dom ready events
-						detach();
-
-						// and execute any waiting functions
-						jQuery.ready();
-					}
-				} )();
-			}
 		}
 	}
 	return readyList.promise( obj );

src/css/curCSS.js

 define( [
-	"exports",
 	"../core",
-	"../var/documentElement",
 	"./var/rnumnonpx",
 	"./var/rmargin",
+	"./var/getStyles",
 	"./support",
-	"../selector" // contains
-], function( exports, jQuery, documentElement, rnumnonpx, rmargin, support ) {
-
-var getStyles, curCSS,
-	rposition = /^(top|right|bottom|left)$/;
-
-if ( window.getComputedStyle ) {
-	getStyles = function( elem ) {
-
-		// Support: IE<=11+, Firefox<=30+ (#15098, #14150)
-		// IE throws on elements created in popups
-		// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
-		var view = elem.ownerDocument.defaultView;
-
-		if ( !view || !view.opener ) {
-			view = window;
-		}
-
-		return view.getComputedStyle( elem );
-	};
-
-	curCSS = function( elem, name, computed ) {
-		var width, minWidth, maxWidth, ret,
-			style = elem.style;
-
-		computed = computed || getStyles( elem );
-
-		// getPropertyValue is only needed for .css('filter') in IE9, see #12537
-		ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined;
-
-		// Support: Opera 12.1x only
-		// Fall back to style even without computed
-		// computed is undefined for elems on document fragments
-		if ( ( ret === "" || ret === undefined ) && !jQuery.contains( elem.ownerDocument, elem ) ) {
-			ret = jQuery.style( elem, name );
-		}
-
-		if ( computed ) {
-
-			// A tribute to the "awesome hack by Dean Edwards"
-			// Chrome < 17 and Safari 5.0 uses "computed value"
-			// instead of "used value" for margin-right
-			// Safari 5.1.7 (at least) returns percentage for a larger set of values,
-			// but width seems to be reliably pixels
-			// this is against the CSSOM draft spec:
-			// http://dev.w3.org/csswg/cssom/#resolved-values
-			if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {
-
-				// Remember the original values
-				width = style.width;
-				minWidth = style.minWidth;
-				maxWidth = style.maxWidth;
-
-				// Put in the new values to get a computed value out
-				style.minWidth = style.maxWidth = style.width = ret;
-				ret = computed.width;
-
-				// Revert the changed values
-				style.width = width;
-				style.minWidth = minWidth;
-				style.maxWidth = maxWidth;
-			}
-		}
-
-		// Support: IE
-		// IE returns zIndex value as an integer.
-		return ret === undefined ?
-			ret :
-			ret + "";
-	};
-} else if ( documentElement.currentStyle ) {
-	getStyles = function( elem ) {
-		return elem.currentStyle;
-	};
-
-	curCSS = function( elem, name, computed ) {
-		var left, rs, rsLeft, ret,
-			style = elem.style;
-
-		computed = computed || getStyles( elem );
-		ret = computed ? computed[ name ] : undefined;
-
-		// Avoid setting ret to empty string here
-		// so we don't default to auto
-		if ( ret == null && style && style[ name ] ) {
-			ret = style[ name ];
-		}
-
-		// From the awesome hack by Dean Edwards
-		// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
-
-		// If we're not dealing with a regular pixel number
-		// but a number that has a weird ending, we need to convert it to pixels
-		// but not position css attributes, as those are
-		// proportional to the parent element instead
-		// and we can't measure the parent instead because it
-		// might trigger a "stacking dolls" problem
-		if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
+	"../selector" // Get jQuery.contains
+], function( jQuery, rnumnonpx, rmargin, getStyles, support ) {
+
+function curCSS( elem, name, computed ) {
+	var width, minWidth, maxWidth, ret,
+		style = elem.style;
+
+	computed = computed || getStyles( elem );
+	ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined;
+
+	// Support: Opera 12.1x only
+	// Fall back to style even without computed
+	// computed is undefined for elems on document fragments
+	if ( ( ret === "" || ret === undefined ) && !jQuery.contains( elem.ownerDocument, elem ) ) {
+		ret = jQuery.style( elem, name );
+	}
+
+	// Support: IE9
+	// getPropertyValue is only needed for .css('filter') (#12537)
+	if ( computed ) {
+
+		// A tribute to the "awesome hack by Dean Edwards"
+		// Android Browser returns percentage for some values,
+		// but width seems to be reliably pixels.
+		// This is against the CSSOM draft spec:
+		// http://dev.w3.org/csswg/cssom/#resolved-values
+		if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {
 
 			// Remember the original values
-			left = style.left;
-			rs = elem.runtimeStyle;
-			rsLeft = rs && rs.left;
+			width = style.width;
+			minWidth = style.minWidth;
+			maxWidth = style.maxWidth;
 
 			// Put in the new values to get a computed value out
-			if ( rsLeft ) {
-				rs.left = elem.currentStyle.left;
-			}
-			style.left = name === "fontSize" ? "1em" : ret;
-			ret = style.pixelLeft + "px";
+			style.minWidth = style.maxWidth = style.width = ret;
+			ret = computed.width;
 
 			// Revert the changed values
-			style.left = left;
-			if ( rsLeft ) {
-				rs.left = rsLeft;
-			}
+			style.width = width;
+			style.minWidth = minWidth;
+			style.maxWidth = maxWidth;
 		}
+	}
+
+	return ret !== undefined ?
 
-		// Support: IE
+		// Support: IE9-11+
 		// IE returns zIndex value as an integer.
-		return ret === undefined ?
-			ret :
-			ret + "" || "auto";
-	};
+		ret + "" :
+		ret;
 }
 
-exports.getStyles = getStyles;
-exports.curCSS = curCSS;
-
+return curCSS;
 } );

src/css/defaultDisplay.js

@@ -51,7 +51,7 @@ function defaultDisplay( nodeName ) {
 				.appendTo( doc.documentElement );
 
 			// Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
-			doc = ( iframe[ 0 ].contentWindow || iframe[ 0 ].contentDocument ).document;
+			doc = iframe[ 0 ].contentDocument;
 
 			// Support: IE
 			doc.write();

src/css/hiddenVisibleSelectors.js

 define( [
 	"../core",
-	"../var/document",
-	"./support",
-	"../selector",
-	"../css"
-], function( jQuery, document, support ) {
-
-function getDisplay( elem ) {
-	return elem.style && elem.style.display || jQuery.css( elem, "display" );
-}
-
-function filterHidden( elem ) {
-
-	// Disconnected elements are considered hidden
-	if ( !jQuery.contains( elem.ownerDocument || document, elem ) ) {
-		return true;
-	}
-	while ( elem && elem.nodeType === 1 ) {
-		if ( getDisplay( elem ) === "none" || elem.type === "hidden" ) {
-			return true;
-		}
-		elem = elem.parentNode;
-	}
-	return false;
-}
+	"../selector"
+], function( jQuery ) {
 
 jQuery.expr.filters.hidden = function( elem ) {
+	return !jQuery.expr.filters.visible( elem );
+};
+jQuery.expr.filters.visible = function( elem ) {
 
 	// Support: Opera <= 12.12
 	// Opera reports offsetWidths and offsetHeights less than zero on some elements
-	return support.reliableHiddenOffsets() ?
-		( elem.offsetWidth <= 0 && elem.offsetHeight <= 0 &&
-			!elem.getClientRects().length ) :
-			filterHidden( elem );
-};
-
-jQuery.expr.filters.visible = function( elem ) {
-	return !jQuery.expr.filters.hidden( elem );
+	// Use OR instead of AND as the element is not visible if either is true
+	// See tickets #10406 and #13132
+	return elem.offsetWidth > 0 || elem.offsetHeight > 0 || elem.getClientRects().length > 0;
 };
 
 } );

src/css/showHide.js

-define( [], function() {
+define( [
+	"../data/var/dataPriv"
+], function( dataPriv ) {
+
 function showHide( elements, show ) {
 	var display, elem,
 		values = [],
@@ -17,14 +20,14 @@ function showHide( elements, show ) {
 			if ( display === "none" ) {
 
 				// Restore a pre-hide() value if we have one
-				values[ index ] = jQuery._data( elem, "display" ) || "";
+				values[ index ] = dataPriv.get( elem, "display" ) || "";
 			}
 		} else {
 			if ( display !== "none" ) {
 				values[ index ] = "none";
 
 				// Remember the value we're replacing
-				jQuery._data( elem, "display", display );
+				dataPriv.set( elem, "display", display );
 			}
 		}
 	}

src/css/support.js

@@ -6,8 +6,7 @@ define( [
 ], function( jQuery, document, documentElement, support ) {
 
 ( function() {
-	var pixelPositionVal, pixelMarginRightVal, boxSizingReliableVal,
-		reliableHiddenOffsetsVal, reliableMarginRightVal, reliableMarginLeftVal,
+	var pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal,
 		container = document.createElement( "div" ),
 		div = document.createElement( "div" );
 
@@ -16,167 +15,105 @@ define( [
 		return;
 	}
 
-	div.style.cssText = "float:left;opacity:.5";
-
-	// Support: IE<9
-	// Make sure that element opacity exists (as opposed to filter)
-	support.opacity = div.style.opacity === "0.5";
-
-	// Verify style float existence
-	// (IE uses styleFloat instead of cssFloat)
-	support.cssFloat = !!div.style.cssFloat;
-
+	// Support: IE9-11+
+	// Style of cloned element affects source element cloned (#8908)
 	div.style.backgroundClip = "content-box";
 	div.cloneNode( true ).style.backgroundClip = "";
 	support.clearCloneStyle = div.style.backgroundClip === "content-box";
 
-	container = document.createElement( "div" );
 	container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" +
 		"padding:0;margin-top:1px;position:absolute";
-	div.innerHTML = "";
 	container.appendChild( div );
 
-	// Support: Firefox<29, Android 2.3
-	// Vendor-prefix box-sizing
-	support.boxSizing = div.style.boxSizing === "" || div.style.MozBoxSizing === "" ||
-		div.style.WebkitBoxSizing === "";
+	// Executing both pixelPosition & boxSizingReliable tests require only one layout
+	// so they're executed at the same time to save the second computation.
+	function computeStyleTests() {
+		div.style.cssText =
+
+			// Support: Firefox<29, Android 2.3
+			// Vendor-prefix box-sizing
+			"-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;" +
+			"position:relative;display:block;" +
+			"margin:auto;border:1px;padding:1px;" +
+			"top:1%;width:50%";
+		div.innerHTML = "";
+		documentElement.appendChild( container );
+
+		var divStyle = window.getComputedStyle( div );
+		pixelPositionVal = divStyle.top !== "1%";
+		reliableMarginLeftVal = divStyle.marginLeft === "2px";
+		boxSizingReliableVal = divStyle.width === "4px";
+
+		// Support: Android 4.0 - 4.3 only
+		// Some styles come back with percentage values, even though they shouldn't
+		div.style.marginRight = "50%";
+		pixelMarginRightVal = divStyle.marginRight === "4px";
+
+		documentElement.removeChild( container );
+	}
 
 	jQuery.extend( support, {
-		reliableHiddenOffsets: function() {
-			if ( pixelPositionVal == null ) {
-				computeStyleTests();
-			}
-			return reliableHiddenOffsetsVal;
-		},
+		pixelPosition: function() {
 
+			// This test is executed only once but we still do memoizing
+			// since we can use the boxSizingReliable pre-computing.
+			// No need to check if the test was already performed, though.
+			computeStyleTests();
+			return pixelPositionVal;
+		},
 		boxSizingReliable: function() {
-
-			// We're checking for pixelPositionVal here instead of boxSizingReliableVal
-			// since that compresses better and they're computed together anyway.
-			if ( pixelPositionVal == null ) {
+			if ( boxSizingReliableVal == null ) {
 				computeStyleTests();
 			}
 			return boxSizingReliableVal;
 		},
-
 		pixelMarginRight: function() {
 
 			// Support: Android 4.0-4.3
-			if ( pixelPositionVal == null ) {
+			// We're checking for boxSizingReliableVal here instead of pixelMarginRightVal
+			// since that compresses better and they're computed together anyway.
+			if ( boxSizingReliableVal == null ) {
 				computeStyleTests();
 			}
 			return pixelMarginRightVal;
 		},
-
-		pixelPosition: function() {
-			if ( pixelPositionVal == null ) {
-				computeStyleTests();
-			}
-			return pixelPositionVal;
-		},
-
-		reliableMarginRight: function() {
-
-			// Support: Android 2.3
-			if ( pixelPositionVal == null ) {
-				computeStyleTests();
-			}
-			return reliableMarginRightVal;
-		},
-
 		reliableMarginLeft: function() {
 
 			// Support: IE <=8 only, Android 4.0 - 4.3 only, Firefox <=3 - 37
-			if ( pixelPositionVal == null ) {
+			if ( boxSizingReliableVal == null ) {
 				computeStyleTests();
 			}
 			return reliableMarginLeftVal;
-		}
-	} );
-
-	function computeStyleTests() {
-		var contents, divStyle,
-			documentElement = document.documentElement;
-
-		// Setup
-		documentElement.appendChild( container );
-
-		div.style.cssText =
+		},
+		reliableMarginRight: function() {
 
 			// Support: Android 2.3
-			// Vendor-prefix box-sizing
-			"-webkit-box-sizing:border-box;box-sizing:border-box;" +
-			"position:relative;display:block;" +
-			"margin:auto;border:1px;padding:1px;" +
-			"top:1%;width:50%";
-
-		// Support: IE<9
-		// Assume reasonable values in the absence of getComputedStyle
-		pixelPositionVal = boxSizingReliableVal = reliableMarginLeftVal = false;
-		pixelMarginRightVal = reliableMarginRightVal = true;
-
-		// Check for getComputedStyle so that this code is not run in IE<9.
-		if ( window.getComputedStyle ) {
-			divStyle = window.getComputedStyle( div );
-			pixelPositionVal = ( divStyle || {} ).top !== "1%";
-			reliableMarginLeftVal = ( divStyle || {} ).marginLeft === "2px";
-			boxSizingReliableVal = ( divStyle || { width: "4px" } ).width === "4px";
-
-			// Support: Android 4.0 - 4.3 only
-			// Some styles come back with percentage values, even though they shouldn't
-			div.style.marginRight = "50%";
-			pixelMarginRightVal = ( divStyle || { marginRight: "4px" } ).marginRight === "4px";
-
-			// Support: Android 2.3 only
-			// Div with explicit width and no margin-right incorrectly
-			// gets computed margin-right based on width of container (#3333)
+			// Check if div with explicit width and no margin-right incorrectly
+			// gets computed margin-right based on width of container. (#3333)
 			// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
-			contents = div.appendChild( document.createElement( "div" ) );
+			// This support function is only executed once so no memoizing is needed.
+			var ret,
+				marginDiv = div.appendChild( document.createElement( "div" ) );
 
 			// Reset CSS: box-sizing; display; margin; border; padding
-			contents.style.cssText = div.style.cssText =
+			marginDiv.style.cssText = div.style.cssText =
 
 				// Support: Android 2.3
 				// Vendor-prefix box-sizing
-				"-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
-				"box-sizing:content-box;display:block;margin:0;border:0;padding:0";
-			contents.style.marginRight = contents.style.width = "0";
+				"-webkit-box-sizing:content-box;box-sizing:content-box;" +
+				"display:block;margin:0;border:0;padding:0";
+			marginDiv.style.marginRight = marginDiv.style.width = "0";
 			div.style.width = "1px";
+			documentElement.appendChild( container );
 
-			reliableMarginRightVal =
-				!parseFloat( ( window.getComputedStyle( contents ) || {} ).marginRight );
+			ret = !parseFloat( window.getComputedStyle( marginDiv ).marginRight );
 
-			div.removeChild( contents );
-		}
+			documentElement.removeChild( container );
+			div.removeChild( marginDiv );
 
-		// Support: IE6-8
-		// First check that getClientRects works as expected
-		// Check if table cells still have offsetWidth/Height when they are set
-		// to display:none and there are still other visible table cells in a
-		// table row; if so, offsetWidth/Height are not reliable for use when
-		// determining if an element has been hidden directly using
-		// display:none (it is still safe to use offsets if a parent element is
-		// hidden; don safety goggles and see bug #4512 for more information).
-		div.style.display = "none";
-		reliableHiddenOffsetsVal = div.getClientRects().length === 0;
-		if ( reliableHiddenOffsetsVal ) {
-			div.style.display = "";
-			div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
-			div.childNodes[ 0 ].style.borderCollapse = "separate";
-			contents = div.getElementsByTagName( "td" );
-			contents[ 0 ].style.cssText = "margin:0;border:0;padding:0;display:none";
-			reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
-			if ( reliableHiddenOffsetsVal ) {
-				contents[ 0 ].style.display = "";
-				contents[ 1 ].style.display = "none";
-				reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
-			}
+			return ret;
 		}
-
-		// Teardown
-		documentElement.removeChild( container );
-	}
-
+	} );
 } )();
 
 return support;

src/css/var/getStyles.js

+define( function() {
+	return function( elem ) {
+
+		// Support: IE<=11+, Firefox<=30+ (#15098, #14150)
+		// IE throws on elements created in popups
+		// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
+		var view = elem.ownerDocument.defaultView;
+
+		if ( !view || !view.opener ) {
+			view = window;
+		}
+
+		return view.getComputedStyle( elem );
+	};
+} );

src/data/Data.js

+define( [
+	"../core",
+	"../var/rnotwhite",
+	"./var/acceptData"
+], function( jQuery, rnotwhite, acceptData ) {
+
+function Data() {
+	this.expando = jQuery.expando + Data.uid++;
+}
+
+Data.uid = 1;
+
+Data.prototype = {
+
+	register: function( owner, initial ) {
+		var value = initial || {};
+
+		// If it is a node unlikely to be stringify-ed or looped over
+		// use plain assignment
+		if ( owner.nodeType ) {
+			owner[ this.expando ] = value;
+
+		// Otherwise secure it in a non-enumerable, non-writable property
+		// configurability must be true to allow the property to be
+		// deleted with the delete operator
+		} else {
+			Object.defineProperty( owner, this.expando, {
+				value: value,
+				writable: true,
+				configurable: true
+			} );
+		}
+		return owner[ this.expando ];
+	},
+	cache: function( owner ) {
+
+		// We can accept data for non-element nodes in modern browsers,
+		// but we should not, see #8335.
+		// Always return an empty object.
+		if ( !acceptData( owner ) ) {
+			return {};
+		}
+
+		// Check if the owner object already has a cache
+		var value = owner[ this.expando ];
+
+		// If not, create one
+		if ( !value ) {
+			value = {};
+
+			// We can accept data for non-element nodes in modern browsers,
+			// but we should not, see #8335.
+			// Always return an empty object.
+			if ( acceptData( owner ) ) {
+
+				// If it is a node unlikely to be stringify-ed or looped over
+				// use plain assignment
+				if ( owner.nodeType ) {
+					owner[ this.expando ] = value;
+
+				// Otherwise secure it in a non-enumerable property
+				// configurable must be true to allow the property to be
+				// deleted when data is removed
+				} else {
+					Object.defineProperty( owner, this.expando, {
+						value: value,
+						configurable: true
+					} );
+				}
+			}
+		}
+
+		return value;
+	},
+	set: function( owner, data, value ) {
+		var prop,
+			cache = this.cache( owner );
+
+		// Handle: [ owner, key, value ] args
+		if ( typeof data === "string" ) {
+			cache[ data ] = value;
+
+		// Handle: [ owner, { properties } ] args
+		} else {
+
+			// Copy the properties one-by-one to the cache object
+			for ( prop in data ) {
+				cache[ prop ] = data[ prop ];
+			}
+		}
+		return cache;
+	},
+	get: function( owner, key ) {
+		return key === undefined ?
+			this.cache( owner ) :
+			owner[ this.expando ] && owner[ this.expando ][ key ];
+	},
+	access: function( owner, key, value ) {
+		var stored;
+
+		// In cases where either:
+		//
+		//   1. No key was specified
+		//   2. A string key was specified, but no value provided
+		//
+		// Take the "read" path and allow the get method to determine
+		// which value to return, respectively either:
+		//
+		//   1. The entire cache object
+		//   2. The data stored at the key
+		//
+		if ( key === undefined ||
+				( ( key && typeof key === "string" ) && value === undefined ) ) {
+
+			stored = this.get( owner, key );
+
+			return stored !== undefined ?
+				stored : this.get( owner, jQuery.camelCase( key ) );
+		}
+
+		// When the key is not a string, or both a key and value
+		// are specified, set or extend (existing objects) with either:
+		//
+		//   1. An object of properties
+		//   2. A key and value
+		//
+		this.set( owner, key, value );
+
+		// Since the "set" path can have two possible entry points
+		// return the expected data based on which path was taken[*]
+		return value !== undefined ? value : key;
+	},
+	remove: function( owner, key ) {
+		var i, name, camel,
+			cache = owner[ this.expando ];
+
+		if ( cache === undefined ) {
+			return;
+		}
+
+		if ( key === undefined ) {
+			this.register( owner );
+
+		} else {
+
+			// Support array or space separated string of keys
+			if ( jQuery.isArray( key ) ) {
+
+				// If "name" is an array of keys...
+				// When data is initially created, via ("key", "val") signature,
+				// keys will be converted to camelCase.
+				// Since there is no way to tell _how_ a key was added, remove
+				// both plain key and camelCase key. #12786
+				// This will only penalize the array argument path.
+				name = key.concat( key.map( jQuery.camelCase ) );
+			} else {
+				camel = jQuery.camelCase( key );
+
+				// Try the string as a key before any manipulation
+				if ( key in cache ) {
+					name = [ key, camel ];
+				} else {
+
+					// If a key with the spaces exists, use it.
+					// Otherwise, create an array by matching non-whitespace
+					name = camel;
+					name = name in cache ?
+						[ name ] : ( name.match( rnotwhite ) || [] );
+				}
+			}
+
+			i = name.length;
+
+			while ( i-- ) {
+				delete cache[ name[ i ] ];
+			}
+		}
+
+		// Remove the expando if there's no more data
+		if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
+
+			// Support: Chrome <= 35-45+
+			// Webkit & Blink performance suffers when deleting properties
+			// from DOM nodes, so set to undefined instead
+			// https://code.google.com/p/chromium/issues/detail?id=378607
+			if ( owner.nodeType ) {
+				owner[ this.expando ] = undefined;
+			} else {
+				delete owner[ this.expando ];
+			}
+		}
+	},
+	hasData: function( owner ) {
+		var cache = owner[ this.expando ];
+		return cache !== undefined && !jQuery.isEmptyObject( cache );
+	}
+};
+
+return Data;
+} );

src/data/support.js

-define( [
-	"../var/document",
-	"../var/support"
-], function( document, support ) {
-
-( function() {
-	var div = document.createElement( "div" );
-
-	// Support: IE<9
-	support.deleteExpando = true;
-	try {
-		delete div.test;
-	} catch ( e ) {
-		support.deleteExpando = false;
-	}
-
-	// Null elements to avoid leaks in IE.
-	div = null;
-} )();
-
-return support;
-
-} );

src/data/var/acceptData.js

-define( [
-	"../../core"
-], function( jQuery ) {
+define( function() {
 
 /**
  * Determines whether an object can have data
  */
-return function( elem ) {
-	var noData = jQuery.noData[ ( elem.nodeName + " " ).toLowerCase() ],
-		nodeType = +elem.nodeType || 1;
+return function( owner ) {
 
-	// Do not set data on non-element DOM nodes because it will not be cleared (#8335).
-	return nodeType !== 1 && nodeType !== 9 ?
-		false :
-
-		// Nodes accept data unless otherwise specified; rejection can be conditional
-		!noData || noData !== true && elem.getAttribute( "classid" ) === noData;
+	// Accepts only:
+	//  - Node
+	//    - Node.ELEMENT_NODE
+	//    - Node.DOCUMENT_NODE
+	//  - Object
+	//    - Any
+	/* jshint -W018 */
+	return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
 };
 
 } );

src/data/var/dataPriv.js

+define( [
+	"../Data"
+], function( Data ) {
+	return new Data();
+} );

src/data/var/dataUser.js

+define( [
+	"../Data"
+], function( Data ) {
+	return new Data();
+} );

src/deferred.js

@@ -120,7 +120,6 @@ jQuery.extend( {
 					values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
 					if ( values === progressValues ) {
 						deferred.notifyWith( contexts, values );
-
 					} else if ( !( --remaining ) ) {
 						deferred.resolveWith( contexts, values );
 					}
@@ -129,7 +128,7 @@ jQuery.extend( {
 
 			progressValues, progressContexts, resolveContexts;
 
-		// add listeners to Deferred subordinates; treat others as resolved
+		// Add listeners to Deferred subordinates; treat others as resolved
 		if ( length > 1 ) {
 			progressValues = new Array( length );
 			progressContexts = new Array( length );
@@ -146,7 +145,7 @@ jQuery.extend( {
 			}
 		}
 
-		// if we're not waiting on anything, resolve the master
+		// If we're not waiting on anything, resolve the master
 		if ( !remaining ) {
 			deferred.resolveWith( resolveContexts, resolveValues );
 		}

src/deprecated.js

 define( [
-	"./core",
-	"./traversing"
+	"./core"
 ], function( jQuery ) {
 
 jQuery.fn.extend( {
@@ -21,14 +20,13 @@ jQuery.fn.extend( {
 		return arguments.length === 1 ?
 			this.off( selector, "**" ) :
 			this.off( types, selector || "**", fn );
+	},
+	size: function() {
+		return this.length;
 	}
 } );
 
-// The number of elements contained in the matched element set
-jQuery.fn.size = function() {
-	return this.length;
-};
-
 jQuery.fn.andSelf = jQuery.fn.addBack;
 
 } );
+

src/dimensions.js

@@ -7,9 +7,9 @@ define( [
 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
 	jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
-	function( defaultExtra, funcName ) {
+		function( defaultExtra, funcName ) {
 
-		// margin is only for outerHeight, outerWidth
+		// Margin is only for outerHeight, outerWidth
 		jQuery.fn[ funcName ] = function( margin, value ) {
 			var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
 				extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
@@ -31,8 +31,6 @@ jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
 
 					// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
 					// whichever is greatest
-					// unfortunately, this causes bug #3838 in IE6/8 only,
-					// but there is currently no good, small way to fix it.
 					return Math.max(
 						elem.body[ "scroll" + name ], doc[ "scroll" + name ],
 						elem.body[ "offset" + name ], doc[ "offset" + name ],

src/effects/Tween.js

@@ -66,10 +66,10 @@ Tween.propHooks = {
 				return tween.elem[ tween.prop ];
 			}
 
-			// passing an empty string as a 3rd parameter to .css will automatically
-			// attempt a parseFloat and fallback to a string if the parse fails
-			// so, simple values such as "10px" are parsed to Float.
-			// complex values such as "rotate(1rad)" are returned as is.
+			// Passing an empty string as a 3rd parameter to .css will automatically
+			// attempt a parseFloat and fallback to a string if the parse fails.
+			// Simple values such as "10px" are parsed to Float;
+			// complex values such as "rotate(1rad)" are returned as-is.
 			result = jQuery.css( tween.elem, tween.prop, "" );
 
 			// Empty strings, null, undefined and "auto" are converted to 0.
@@ -77,8 +77,9 @@ Tween.propHooks = {
 		},
 		set: function( tween ) {
 
-			// use step hook for back compat - use cssHook if its there - use .style if its
-			// available and use plain properties where available
+			// Use step hook for back compat.
+			// Use cssHook if its there.
+			// Use .style if available and use plain properties where available.
 			if ( jQuery.fx.step[ tween.prop ] ) {
 				jQuery.fx.step[ tween.prop ]( tween );
 			} else if ( tween.elem.nodeType === 1 &&
@@ -92,9 +93,8 @@ Tween.propHooks = {
 	}
 };
 
-// Support: IE <=9
+// Support: IE9
 // Panic based approach to setting things on disconnected nodes
-
 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
 	set: function( tween ) {
 		if ( tween.elem.nodeType && tween.elem.parentNode ) {

src/effects/support.js

-define( [
-	"../var/support",
-	"../var/document"
-], function( support, document ) {
-
-( function() {
-	var shrinkWrapBlocksVal;
-
-	support.shrinkWrapBlocks = function() {
-		if ( shrinkWrapBlocksVal != null ) {
-			return shrinkWrapBlocksVal;
-		}
-
-		// Will be changed later if needed.
-		shrinkWrapBlocksVal = false;
-
-		// Minified: var b,c,d
-		var div, body, container;
-
-		body = document.getElementsByTagName( "body" )[ 0 ];
-		if ( !body || !body.style ) {
-
-			// Test fired too early or in an unsupported environment, exit.
-			return;
-		}
-
-		// Setup
-		div = document.createElement( "div" );
-		container = document.createElement( "div" );
-		container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
-		body.appendChild( container ).appendChild( div );
-
-		// Support: IE6
-		// Check if elements with layout shrink-wrap their children
-		if ( typeof div.style.zoom !== "undefined" ) {
-
-			// Reset CSS: box-sizing; display; margin; border
-			div.style.cssText =
-
-				// Support: Firefox<29, Android 2.3
-				// Vendor-prefix box-sizing
-				"-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
-				"box-sizing:content-box;display:block;margin:0;border:0;" +
-				"padding:1px;width:1px;zoom:1";
-			div.appendChild( document.createElement( "div" ) ).style.width = "5px";
-			shrinkWrapBlocksVal = div.offsetWidth !== 3;
-		}
-
-		body.removeChild( container );
-
-		return shrinkWrapBlocksVal;
-	};
-
-} )();
-
-return support;
-
-} );

src/event/alias.js

 define( [
 	"../core",
-	"../event"
+
+	"../event",
+	"./trigger"
 ], function( jQuery ) {
 
 jQuery.each( ( "blur focus focusin focusout load resize scroll unload click dblclick " +

src/event/focusin.js

+define( [
+	"../core",
+	"../data/var/dataPriv",
+	"./support",
+
+	"../event",
+	"./trigger"
+], function( jQuery, dataPriv, support ) {
+
+// Support: Firefox
+// Firefox doesn't have focus(in | out) events
+// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
+//
+// Support: Chrome, Safari
+// 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://code.google.com/p/chromium/issues/detail?id=449857
+if ( !support.focusin ) {
+	jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
+
+		// Attach a single capturing handler on the document while someone wants focusin/focusout
+		var handler = function( event ) {
+			jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
+		};
+
+		jQuery.event.special[ fix ] = {
+			setup: function() {
+				var doc = this.ownerDocument || this,
+					attaches = dataPriv.access( doc, fix );
+
+				if ( !attaches ) {
+					doc.addEventListener( orig, handler, true );
+				}
+				dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
+			},
+			teardown: function() {
+				var doc = this.ownerDocument || this,
+					attaches = dataPriv.access( doc, fix ) - 1;
+
+				if ( !attaches ) {
+					doc.removeEventListener( orig, handler, true );
+					dataPriv.remove( doc, fix );
+
+				} else {
+					dataPriv.access( doc, fix, attaches );
+				}
+			}
+		};
+	} );
+}
+
+return jQuery;
+} );

src/event/support.js

 define( [
-	"../var/document",
 	"../var/support"
-], function( document, support ) {
+], function( support ) {
 
-( function() {
-	var i, eventName,
-		div = document.createElement( "div" );
-
-	// Support: IE<9 (lack submit/change bubble), Firefox (lack focus(in | out) events)
-	for ( i in { submit: true, change: true, focusin: true } ) {
-		eventName = "on" + i;
-
-		if ( !( support[ i ] = eventName in window ) ) {
-
-			// Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
-			div.setAttribute( eventName, "t" );
-			support[ i ] = div.attributes[ eventName ].expando === false;
-		}
-	}
-
-	// Null elements to avoid leaks in IE.
-	div = null;
-} )();
+support.focusin = "onfocusin" in window;
 
 return support;
 

src/exports/global.js

@@ -18,8 +18,8 @@ jQuery.noConflict = function( deep ) {
 	return jQuery;
 };
 
-// Expose jQuery and $ identifiers, even in
-// AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
+// Expose jQuery and $ identifiers, even in AMD
+// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
 // and CommonJS for browser emulators (#13566)
 if ( !noGlobal ) {
 	window.jQuery = window.$ = jQuery;

src/jquery.js

@@ -5,13 +5,13 @@ define( [
 	"./callbacks",
 	"./deferred",
 	"./core/ready",
-	"./support",
 	"./data",
 	"./queue",
 	"./queue/delay",
 	"./attributes",
 	"./event",
 	"./event/alias",
+	"./event/focusin",
 	"./manipulation",
 	"./manipulation/_evalUrl",
 	"./wrap",

src/manipulation/_evalUrl.js

@@ -9,7 +9,6 @@ jQuery._evalUrl = function( url ) {
 		// Make this explicit, since user can override this through ajaxSetup (#11264)
 		type: "GET",
 		dataType: "script",
-		cache: true,
 		async: false,
 		global: false,
 		"throws": true

src/manipulation/createSafeFragment.js

-define( [
-	"./var/nodeNames"
-], function( nodeNames ) {
-
-function createSafeFragment( document ) {
-	var list = nodeNames.split( "|" ),
-		safeFrag = document.createDocumentFragment();
-
-	if ( safeFrag.createElement ) {
-		while ( list.length ) {
-			safeFrag.createElement(
-				list.pop()
-			);
-		}
-	}
-	return safeFrag;
-}
-
-return createSafeFragment;
-} );

src/manipulation/var/nodeNames.js

-define( function() {
-	return "abbr|article|aside|audio|bdi|canvas|data|datalist|" +
-		"details|dialog|figcaption|figure|footer|header|hgroup|main|" +
-		"mark|meter|nav|output|picture|progress|section|summary|template|time|video";
-} );

src/manipulation/var/rleadingWhitespace.js

-define( function() {
-	return ( /^\s+/ );
-} );