diff -r 01d180987d90 Lib/mimetypes.py
--- a/Lib/mimetypes.py	Tue Jun 26 20:05:12 2012 +0800
+++ b/Lib/mimetypes.py	Wed Jun 27 09:09:23 2012 +0200
@@ -437,7 +437,7 @@
         '.jpe'    : 'image/jpeg',
         '.jpeg'   : 'image/jpeg',
         '.jpg'    : 'image/jpeg',
-        '.js'     : 'application/x-javascript',
+        '.js'     : 'application/javascript',
         '.ksh'    : 'text/plain',
         '.latex'  : 'application/x-latex',
         '.m1v'    : 'video/mpeg',