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-rw-r--r--misc/drupal.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/misc/drupal.js b/misc/drupal.js
index 02ea60493..7a726c2a8 100644
--- a/misc/drupal.js
+++ b/misc/drupal.js
@@ -2,7 +2,7 @@
* Only enable Javascript functionality if all required features are supported.
*/
function isJsEnabled() {
- if (document.jsEnabled == undefined) {
+ if (typeof document.jsEnabled == 'undefined') {
// Note: ! casts to boolean implicitly.
document.jsEnabled = !(
!document.getElementsByTagName ||