Make sure we do the malformed JSON check for all both JSON.parse and new...

Make sure we do the malformed JSON check for all both JSON.parse and new Function (this helps to create uniformity between browser implementations of JSON.parse - like where Chrome allows some malformed strings. Thanks to DBJDBJ for the heads-up.

src/ajax.js

@@ -572,19 +572,22 @@ jQuery.extend({
 		if ( typeof data === "string" ) {
 			// Get the JavaScript object, if JSON is used.
 			if ( type === "json" || !type && ct.indexOf("json") >= 0 ) {
-				// Try to use the native JSON parser first
-				if ( window.JSON && window.JSON.parse ) {
-					data = window.JSON.parse( data );
-
 				// Make sure the incoming data is actual JSON
 				// Logic borrowed from http://json.org/json2.js
-				} else if (/^[\],:{}\s]*$/.test(data.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, "@")
+				if (/^[\],:{}\s]*$/.test(data.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, "@")
 					.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]")
 					.replace(/(?:^|:|,)(?:\s*\[)+/g, ""))) {
+
+					// Try to use the native JSON parser first
+					if ( window.JSON && window.JSON.parse ) {
+						data = window.JSON.parse( data );
+
+					} else {
 						data = (new Function("return " + data))();
+					}
 
 				} else {
-					throw "JSON.parse";
+					throw "Invalid JSON: " + data;
 				}
 
 			// If the type is "script", eval it in global context