Issue #2245331 by bendikrb: Use of reserved word in ajax.js breaks IE8.

2 files changed, 4 insertions, 1 deletions

diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 84e2f4806..569b7e5c1 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,6 +1,9 @@
 
 Drupal 7.28, xxxx-xx-xx (development version)
 -----------------------
+- Fixed a regression introduced in Drupal 7.27 that caused JavaScript to break
+  on older browsers (such as Internet Explorer 8 and earlier) when Ajax was
+  used.
 - Increased the timeout used by the Update Manager module when it fetches data
   from drupal.org (from 5 seconds to 30 seconds), to work around a problem
   which causes incomplete information about security updates to be presented to
diff --git a/misc/ajax.js b/misc/ajax.js
index 63dd65fdd..29483b498 100644
--- a/misc/ajax.js
+++ b/misc/ajax.js
@@ -622,7 +622,7 @@ Drupal.ajax.prototype.commands = {
    * Command to update a form's build ID.
    */
   updateBuildId: function(ajax, response, status) {
-    $('input[name="form_build_id"][value="' + response.old + '"]').val(response.new);
+    $('input[name="form_build_id"][value="' + response['old'] + '"]').val(response['new']);
   }
 };