Ticket #52111: 52111.diff

src/wp-includes/class-wp-editor.php

@@ -1663 +1663 @@
                 ?>
 
                 ( function() {
-                        var init, id, $wrap;
+                        var initialize = function() {
+                                var init, id, $wrap;
 
-                        if ( typeof tinymce !== 'undefined' ) {
-                                if ( tinymce.Env.ie && tinymce.Env.ie < 11 ) {
-                                        tinymce.$( '.wp-editor-wrap ' ).removeClass( 'tmce-active' ).addClass( 'html-active' );
-                                        return;
-                                }
-
                                 for ( id in tinyMCEPreInit.mceInit ) {
                                         init = tinyMCEPreInit.mceInit[id];
                                         $wrap = tinymce.$( '#wp-' + id + '-wrap' );
@@ -1685 +1680 @@
                                 }
                         }
 
+                        if ( typeof tinymce !== 'undefined' ) {
+                                if ( tinymce.Env.ie && tinymce.Env.ie < 11 ) {
+                                        tinymce.$( '.wp-editor-wrap ' ).removeClass( 'tmce-active' ).addClass( 'html-active' );
+                                } else {
+                                        if ( document.readyState === 'complete' || document.readyState === 'interactive' ) {
+                                                initialize();
+                                        } else {
+                                                document.addEventListener( 'DOMContentLoaded', initialize );
+                                        }
+                                }
+                        }
+
                         if ( typeof quicktags !== 'undefined' ) {
                                 for ( id in tinyMCEPreInit.qtInit ) {
                                         quicktags( tinyMCEPreInit.qtInit[id] );