Ticket #39134: 39134.diff

src/wp-admin/js/customize-controls.js

@@ -5300 +5300 @@
                                 } );
 
                                 $textarea.on( 'keydown', function onKeydown( event ) {
-                                        var selectionStart, selectionEnd, value, scroll, tabKeyCode = 9, escKeyCode = 27;
+                                        var selectionStart, selectionEnd, value, tabKeyCode = 9, escKeyCode = 27;
 
                                         if ( escKeyCode === event.keyCode ) {
                                                 if ( ! $textarea.data( 'next-tab-blurs' ) ) {
@@ -5325 +5325 @@
                                         value = textarea.value;
 
                                         if ( selectionStart >= 0 ) {
-                                                scroll = $textarea.scrollTop;
                                                 textarea.value = value.substring( 0, selectionStart ).concat( '\t', value.substring( selectionEnd ) );
                                                 $textarea.selectionStart = textarea.selectionEnd = selectionStart + 1;
-                                                textarea.scrollTop = scroll;
                                         }
 
                                         event.stopPropagation();