Detect JSON Ajax requests by the response content-type (like is done with XML). Fixes...
[jquery.git] / src / ajax.js
index b5adf2c..6d4026b 100644 (file)
@@ -557,6 +557,7 @@ jQuery.extend({
        httpData: function( xhr, type, s ) {
                var ct = xhr.getResponseHeader("content-type"),
                        xml = type === "xml" || !type && ct && ct.indexOf("xml") >= 0,
+                       json = type === "json" || !type && ct && ct.indexOf("json") >= 0,
                        data = xml ? xhr.responseXML : xhr.responseText;
 
                if ( xml && data.documentElement.nodeName === "parsererror" ) {
@@ -578,10 +579,12 @@ jQuery.extend({
                        }
 
                        // Get the JavaScript object, if JSON is used.
-                       if ( type === "json" ) {
-                               if ( typeof JSON === "object" && JSON.parse ) {
+                       if ( json ) {
+                               // Try to use the native JSON parser first
+                               try {
                                        data = JSON.parse( data );
-                               } else {
+
+                               } catch(e) {
                                        data = (new Function("return " + data))();
                                }
                        }