X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=src%2Fajax.js;h=885c8193e03341c37583d548b97d26be5b05b0c3;hb=c66aa570299459ea948eb123a442da6e22a9611b;hp=42d0b280ca41478cc7f2f81acba382d69a2a50f4;hpb=335b8816c2f1e66de1fa245278794f8c7fdb1e01;p=jquery.git

diff --git a/src/ajax.js b/src/ajax.js
index 42d0b28..885c819 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -97,6 +97,7 @@ 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 +152,12 @@ 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",
@@ -273,9 +280,8 @@ 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)
@@ -470,17 +476,22 @@ 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;
 	},