X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=src%2Fajax.js;h=e4545335e895823e31fa9712e0857b061121c4d5;hb=0865b073f81513056f46296cd2a236ab2ca35703;hp=dbe731b294502665fde9f5c9188e6d6e39ea72d7;hpb=c90fe0283bac94327a8a8ec75e7292322c77dd01;p=jquery.git

diff --git a/src/ajax.js b/src/ajax.js
index dbe731b..e454533 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -12,8 +12,6 @@ jQuery.fn.extend({
 			url = url.slice(0, off);
 		}
 
-		callback = callback || function(){};
-
 		// Default to a GET request
 		var type = "GET";
 
@@ -56,7 +54,8 @@ jQuery.fn.extend({
 						// If not, just inject the full result
 						res.responseText );
 
-				self.each( callback, [res.responseText, status, res] );
+				if( callback )
+					self.each( callback, [res.responseText, status, res] );
 			}
 		});
 		return this;
@@ -67,8 +66,7 @@ jQuery.fn.extend({
 	},
 	serializeArray: function() {
 		return this.map(function(){
-			return jQuery.nodeName(this, "form") ?
-				jQuery.makeArray(this.elements) : this;
+			return this.elements ? jQuery.makeArray(this.elements) : this;
 		})
 		.filter(function(){
 			return this.name && !this.disabled &&
@@ -97,6 +95,7 @@ jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".sp
 var jsc = now();
 
 jQuery.extend({
+  
 	get: function( url, data, callback, type ) {
 		// shift arguments if data argument was ommited
 		if ( jQuery.isFunction( data ) ) {
@@ -151,6 +150,12 @@ jQuery.extend({
 		data: null,
 		username: null,
 		password: null,
+		// Create the request object; Microsoft failed to properly
+		// implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
+		// This function can be overriden by calling jQuery.ajaxSetup
+		xhr:function(){
+			return window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
+		},
 		accepts: {
 			xml: "application/xml, text/xml",
 			html: "text/html",
@@ -236,12 +241,13 @@ jQuery.extend({
 			jQuery.event.trigger( "ajaxStart" );
 
 		// Matches an absolute URL, and saves the domain
-		var remote = /^(?:\w+:)?\/\/([^\/?#]+)/;
+		var parts = /^(\w+:)?\/\/([^\/?#]+)/.exec( s.url );
 
 		// If we're requesting a remote document
 		// and trying to load JSON or Script with a GET
-		if ( s.dataType == "script" && type == "GET"
-				&& remote.test(s.url) && remote.exec(s.url)[1] != location.host ){
+		if ( s.dataType == "script" && type == "GET" && parts
+			&& ( parts[1] && parts[1] != location.protocol || parts[2] != location.host )){
+
 			var head = document.getElementsByTagName("head")[0];
 			var script = document.createElement("script");
 			script.src = s.url;
@@ -272,9 +278,8 @@ jQuery.extend({
 
 		var requestDone = false;
 
-		// Create the request object; Microsoft failed to properly
-		// implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
-		var xhr = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
+		// Create the request object
+		var xhr = s.xhr();
 
 		// Open the socket
 		// Passing null username, generates a login popup on Opera (#2865)
@@ -469,17 +474,22 @@ jQuery.extend({
 			throw "parsererror";
 			
 		// Allow a pre-filtering function to sanitize the response
-		if( s.dataFilter )
+		// s != null is checked to keep backwards compatibility
+		if( s && s.dataFilter )
 			data = s.dataFilter( data, type );
 
-		// If the type is "script", eval it in global context
-		if ( type == "script" )
-			jQuery.globalEval( data );
+		// The filter can actually parse the response
+		if( typeof data == 'string' ){
 
-		// Get the JavaScript object, if JSON is used.
-		if ( type == "json" )
-			data = eval("(" + data + ")");
+			// If the type is "script", eval it in global context
+			if ( type == "script" )
+				jQuery.globalEval( data );
 
+			// Get the JavaScript object, if JSON is used.
+			if ( type == "json" )
+				data = eval("(" + data + ")");
+		}
+		
 		return data;
 	},