Changeset 39050

Timestamp:

10/31/2016 06:16:15 AM (9 years ago)

Author:

peterwilsoncc

Message:

Themes: Exit wp-custom-header.js early in browsers wihout modern events.

Adds a check for window.addEventListener support before attempting to use it. In browsers without support, the file is exited early to avoid throwing a JavaScript error.

Fixes #38585.

File:

• trunk/src/wp-includes/js/wp-custom-header.js (modified) (1 diff)

trunk/src/wp-includes/js/wp-custom-header.js

@@ -1 +1 @@
 (function( window, $, settings ) {
+
+    if ( ! ( 'addEventListener' in window ) ) {
+        // Fail gracefully in unsupported browsers.
+        return;
+    }
 
     function wpCustomHeader() {