Follow the style guide, lose 72 bytes! Closes gh-840.

src/ajax.js

@@ -1,4 +1,9 @@
-var r20 = /%20/g,
+var // Document location
+	ajaxLocation,
+	// Document location segments
+	ajaxLocParts,
+
+	r20 = /%20/g,
 	rbracket = /\[\]$/,
 	rCRLF = /\r?\n/g,
 	rhash = /#.*$/,
@@ -35,12 +40,6 @@ var r20 = /%20/g,
 	 */
 	transports = {},
 
-	// Document location
-	ajaxLocation,
-
-	// Document location segments
-	ajaxLocParts,
-
 	// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
 	allTypes = ["*/"] + ["*"];
 
@@ -70,14 +69,12 @@ function addToPrefiltersOrTransports( structure ) {
 			dataTypeExpression = "*";
 		}
 
-		if ( jQuery.isFunction( func ) ) {
-			var dataTypes = dataTypeExpression.toLowerCase().split( core_rspace ),
-				i = 0,
-				length = dataTypes.length,
-				dataType,
-				list,
-				placeBefore;
+		var dataType, list, placeBefore,
+			dataTypes = dataTypeExpression.toLowerCase().split( core_rspace ),
+			i = 0,
+			length = dataTypes.length;
 
+		if ( jQuery.isFunction( func ) ) {
 			// For each dataType in the dataTypeExpression
 			for ( ; i < length; i++ ) {
 				dataType = dataTypes[ i ];
@@ -104,11 +101,11 @@ function inspectPrefiltersOrTransports( structure, options, originalOptions, jqX
 
 	inspected[ dataType ] = true;
 
-	var list = structure[ dataType ],
+	var selection,
+		list = structure[ dataType ],
 		i = 0,
 		length = list ? list.length : 0,
-		executeOnly = ( structure === prefilters ),
-		selection;
+		executeOnly = ( structure === prefilters );
 
 	for ( ; i < length && ( executeOnly || !selection ); i++ ) {
 		selection = list[ i ]( options, originalOptions, jqXHR );
@@ -383,7 +380,22 @@ jQuery.extend({
 		// Force options to be an object
 		options = options || {};
 
-		var // Create the final options object
+		var // ifModified key
+			ifModifiedKey,
+			// Response headers
+			responseHeadersString,
+			responseHeaders,
+			// transport
+			transport,
+			// timeout handle
+			timeoutTimer,
+			// Cross-domain detection vars
+			parts,
+			// To know if global events are to be dispatched
+			fireGlobals,
+			// Loop variable
+			i,
+			// Create the final options object
 			s = jQuery.ajaxSetup( {}, options ),
 			// Callbacks context
 			callbackContext = s.context || s,
@@ -398,26 +410,11 @@ jQuery.extend({
 			completeDeferred = jQuery.Callbacks( "once memory" ),
 			// Status-dependent callbacks
 			statusCode = s.statusCode || {},
-			// ifModified key
-			ifModifiedKey,
 			// Headers (they are sent all at once)
 			requestHeaders = {},
 			requestHeadersNames = {},
-			// Response headers
-			responseHeadersString,
-			responseHeaders,
-			// transport
-			transport,
-			// timeout handle
-			timeoutTimer,
-			// Cross-domain detection vars
-			parts,
 			// The jqXHR state
 			state = 0,
-			// To know if global events are to be dispatched
-			fireGlobals,
-			// Loop variable
-			i,
 			// Default abort message
 			strAbort = "canceled",
 			// Fake xhr
@@ -759,7 +756,8 @@ jQuery.extend({
 	// Serialize an array of form elements or a set of
 	// key/values into a query string
 	param: function( a, traditional ) {
-		var s = [],
+		var prefix,
+			s = [],
 			add = function( key, value ) {
 				// If value is a function, invoke it and return its value
 				value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
@@ -781,7 +779,7 @@ jQuery.extend({
 		} else {
 			// If traditional, encode the "old" way (the way 1.3.2 or older
 			// did it), otherwise encode params recursively.
-			for ( var prefix in a ) {
+			for ( prefix in a ) {
 				buildParams( prefix, a[ prefix ], traditional, add );
 			}
 		}
@@ -792,6 +790,8 @@ jQuery.extend({
 });
 
 function buildParams( prefix, obj, traditional, add ) {
+	var name;
+
 	if ( jQuery.isArray( obj ) ) {
 		// Serialize array item.
 		jQuery.each( obj, function( i, v ) {
@@ -813,7 +813,7 @@ function buildParams( prefix, obj, traditional, add ) {
 
 	} else if ( !traditional && jQuery.type( obj ) === "object" ) {
 		// Serialize object item.
-		for ( var name in obj ) {
+		for ( name in obj ) {
 			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
 		}
 
@@ -843,13 +843,10 @@ jQuery.extend({
  */
 function ajaxHandleResponses( s, jqXHR, responses ) {
 
-	var contents = s.contents,
+	var ct, type, finalDataType, firstDataType,
+		contents = s.contents,
 		dataTypes = s.dataTypes,
-		responseFields = s.responseFields,
-		ct,
-		type,
-		finalDataType,
-		firstDataType;
+		responseFields = s.responseFields;
 
 	// Fill responseXXX fields
 	for ( type in responseFields ) {

src/ajax/xhr.js

@@ -1,12 +1,12 @@
-var // #5280: Internet Explorer will keep connections alive if we don't abort on unload
+var xhrCallbacks,
+	// #5280: Internet Explorer will keep connections alive if we don't abort on unload
 	xhrOnUnloadAbort = window.ActiveXObject ? function() {
 		// Abort all pending requests
 		for ( var key in xhrCallbacks ) {
 			xhrCallbacks[ key ]( 0, 1 );
 		}
 	} : false,
-	xhrId = 0,
-	xhrCallbacks;
+	xhrId = 0;
 
 // Functions to create xhrs
 function createStandardXHR() {
@@ -57,9 +57,8 @@ if ( jQuery.support.ajax ) {
 				send: function( headers, complete ) {
 
 					// Get a new xhr
-					var xhr = s.xhr(),
-						handle,
-						i;
+					var handle, i,
+						xhr = s.xhr();
 
 					// Open the socket
 					// Passing null username, generates a login popup on Opera (#2865)

src/attributes.js

@@ -1,11 +1,11 @@
-var rclass = /[\n\t\r]/g,
+var nodeHook, boolHook, fixSpecified,
+	rclass = /[\n\t\r]/g,
 	rreturn = /\r/g,
 	rtype = /^(?:button|input)$/i,
 	rfocusable = /^(?:button|input|object|select|textarea)$/i,
 	rclickable = /^a(?:rea)?$/i,
 	rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,
-	getSetAttribute = jQuery.support.getSetAttribute,
-	nodeHook, boolHook, fixSpecified;
+	getSetAttribute = jQuery.support.getSetAttribute;
 
 jQuery.fn.extend({
 	attr: function( name, value ) {
@@ -179,7 +179,8 @@ jQuery.fn.extend({
 		isFunction = jQuery.isFunction( value );
 
 		return this.each(function( i ) {
-			var self = jQuery(this), val;
+			var val,
+				self = jQuery(this);
 
 			if ( this.nodeType !== 1 ) {
 				return;

src/callbacks.js

@@ -40,11 +40,7 @@ jQuery.Callbacks = function( options ) {
 		( optionsCache[ options ] || createOptions( options ) ) :
 		jQuery.extend( {}, options );
 
-	var // Actual callback list
-		list = [],
-		// Stack of fire calls for repeatable lists
-		stack = !options.once && [],
-		// Last fire value (for non-forgettable lists)
+	var // Last fire value (for non-forgettable lists)
 		memory,
 		// Flag to know if list was already fired
 		fired,
@@ -56,6 +52,10 @@ jQuery.Callbacks = function( options ) {
 		firingLength,
 		// Index of currently firing callback (modified by remove if needed)
 		firingIndex,
+		// Actual callback list
+		list = [],
+		// Stack of fire calls for repeatable lists
+		stack = !options.once && [],
 		// Fire callbacks
 		fire = function( data ) {
 			memory = options.memory && data;

src/core.js

@@ -1,4 +1,10 @@
 var
+	// A central reference to the root jQuery(document)
+	rootjQuery,
+
+	// The deferred used on DOM ready
+	readyList,
+
 	// Use the correct document accordingly with window argument (sandbox)
 	document = window.document,
 	location = window.location,
@@ -24,12 +30,6 @@ var
 		return new jQuery.fn.init( selector, context, rootjQuery );
 	},
 
-	// A central reference to the root jQuery(document)
-	rootjQuery,
-
-	// The deferred used on DOM ready
-	readyList,
-
 	// Used for detecting and trimming whitespace
 	core_rnotwhite = /\S/,
 	core_rspace = /\s+/,
@@ -449,7 +449,8 @@ jQuery.extend({
 	},
 
 	isEmptyObject: function( obj ) {
-		for ( var name in obj ) {
+		var name;
+		for ( name in obj ) {
 			return false;
 		}
 		return true;
@@ -560,7 +561,8 @@ jQuery.extend({
 
 	// args is for internal usage only
 	each: function( obj, callback, args ) {
-		var name, i = 0,
+		var name,
+			i = 0,
 			length = obj.length,
 			isObj = length === undefined || jQuery.isFunction( obj );
 
@@ -616,12 +618,13 @@ jQuery.extend({
 
 	// results is for internal usage only
 	makeArray: function( arr, results ) {
-		var ret = results || [];
+		var type,
+			ret = results || [];
 
 		if ( arr != null ) {
 			// The window, strings (and functions) also have 'length'
 			// Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930
-			var type = jQuery.type( arr );
+			type = jQuery.type( arr );
 
 			if ( arr.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( arr ) ) {
 				core_push.call( ret, arr );
@@ -656,11 +659,12 @@ jQuery.extend({
 	},
 
 	merge: function( first, second ) {
-		var i = first.length,
+		var l = second.length,
+			i = first.length,
 			j = 0;
 
-		if ( typeof second.length === "number" ) {
-			for ( var l = second.length; j < l; j++ ) {
+		if ( typeof l === "number" ) {
+			for ( ; j < l; j++ ) {
 				first[ i++ ] = second[ j ];
 			}
 
@@ -676,12 +680,15 @@ jQuery.extend({
 	},
 
 	grep: function( elems, callback, inv ) {
-		var ret = [], retVal;
+		var retVal,
+			ret = [],
+			i = 0,
+			length = elems.length;
 		inv = !!inv;
 
 		// Go through the array, only saving the items
 		// that pass the validator function
-		for ( var i = 0, length = elems.length; i < length; i++ ) {
+		for ( ; i < length; i++ ) {
 			retVal = !!callback( elems[ i ], i );
 			if ( inv !== retVal ) {
 				ret.push( elems[ i ] );
@@ -693,7 +700,8 @@ jQuery.extend({
 
 	// arg is for internal usage only
 	map: function( elems, callback, arg ) {
-		var value, key, ret = [],
+		var value, key,
+			ret = [],
 			i = 0,
 			length = elems.length,
 			// jquery objects are treated as arrays
@@ -730,8 +738,10 @@ jQuery.extend({
 	// Bind a function to a context, optionally partially applying any
 	// arguments.
 	proxy: function( fn, context ) {
+		var tmp, args, proxy;
+
 		if ( typeof context === "string" ) {
-			var tmp = fn[ context ];
+			tmp = fn[ context ];
 			context = fn;
 			fn = tmp;
 		}
@@ -743,10 +753,10 @@ jQuery.extend({
 		}
 
 		// Simulated bind
-		var args = core_slice.call( arguments, 2 ),
-			proxy = function() {
-				return fn.apply( context, args.concat( core_slice.call( arguments ) ) );
-			};
+		args = core_slice.call( arguments, 2 );
+		proxy = function() {
+			return fn.apply( context, args.concat( core_slice.call( arguments ) ) );
+		};
 
 		// Set the guid of unique handler to the same of original handler, so it can be removed
 		proxy.guid = fn.guid = fn.guid || proxy.guid || jQuery.guid++;