Added in support for content-type sniffing for scripts. Fixes #5718.

[jquery.git] / src / ajax.js

diff --git a/src/ajax.js b/src/ajax.js
index 6d4026b..9501e8a 100644 (file)
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -555,9 +555,8 @@ 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,
+               var ct = xhr.getResponseHeader("content-type") || "",
+                       xml = type === "xml" || !type && ct.indexOf("xml") >= 0,
                        data = xml ? xhr.responseXML : xhr.responseText;
 
                if ( xml && data.documentElement.nodeName === "parsererror" ) {
@@ -572,14 +571,13 @@ jQuery.extend({
 
                // The filter can actually parse the response
                if ( typeof data === "string" ) {
-
                        // If the type is "script", eval it in global context
-                       if ( type === "script" ) {
+                       if ( type === "script" || !type && ct.indexOf("javascript") >= 0 ) {
                                jQuery.globalEval( data );
                        }
 
                        // Get the JavaScript object, if JSON is used.
-                       if ( json ) {
+                       if ( type === "json" || !type && ct.indexOf("json") >= 0 ) {
                                // Try to use the native JSON parser first
                                try {
                                        data = JSON.parse( data );