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

diff --git a/src/ajax.js b/src/ajax.js
index 6d4026b9d3f78b5e44f0d72726e6015a7fa3ef27..9501e8a07eb0189fd6078a706ebec3a578e8b000 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 );

diff --git a/test/data/script.php b/test/data/script.php
new file mode 100644 (file)
index 0000000..55d7bc2
--- /dev/null
+++ b/test/data/script.php
@@ -0,0 +1,7 @@
+<?php
+error_reporting(0);
+if ( $_REQUEST['header'] ) {
+       header("Content-type: text/javascript");
+}
+?>
+ok( true, "Script executed correctly." );

diff --git a/test/unit/ajax.js b/test/unit/ajax.js
index b1cb486bd8bc7ec9e0b0da78149a53df2ffd75bb..9b1e3238f2670cd60d2ffe4ff7cc53692cc34c56 100644 (file)
--- a/test/unit/ajax.js
+++ b/test/unit/ajax.js
@@ -797,6 +797,20 @@ test("jQuery.ajax() - script, Remote with scheme-less URL", function() {
        });
 });
 
+test("jQuery.ajax() - script by content-type", function() {
+       expect(1);
+
+       stop();
+
+       jQuery.ajax({
+               url: "data/script.php",
+               data: { header: "script" },
+               success: function() {
+                       start();
+               }
+       });
+});
+
 test("jQuery.ajax() - json by content-type", function() {
        expect(5);