Ticket #22053: 22053-2.diff

wp-includes/class-wp-editor.php

@@ -608 +608 @@
                                                 try { tinymce.init(init); } catch(e){}
                                 }
                         } else {
-                                el = document.getElementsByClassName('wp-editor-wrap');
+                                if( document.getElementsByClassName ) {
+                                        el = document.getElementsByClassName('wp-editor-wrap');
+                                }
+                                else {
+                                        el = document.querySelectorAll('.wp-editor-wrap');
+                                }
+
                                 for ( i in el ) {
                                         if ( typeof(el[i]) == 'object' )
                                                 el[i].onmousedown = function(){ wpActiveEditor = this.id.slice(3, -5); }