From 09df948303306da440d794d009622c495afe3c24 Mon Sep 17 00:00:00 2001
From: Weston Ruter <westonruter@git.wordpress.org>
Date: Sat, 10 Dec 2016 00:43:34 +0000
Subject: [PATCH] Customize: Prevent scrolling `custom_css` textarea to top
 when pressing tab.

Props tyxla, sstoqnov for testing, celloexpressions for testing.
See #38667.
Fixes #39134.


git-svn-id: https://develop.svn.wordpress.org/trunk@39557 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/js/customize-controls.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/wp-admin/js/customize-controls.js b/src/wp-admin/js/customize-controls.js
index 65f5584e8a..9f385a003b 100644
--- a/src/wp-admin/js/customize-controls.js
+++ b/src/wp-admin/js/customize-controls.js
@@ -5300,7 +5300,7 @@
 				} );
 
 				$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' ) ) {
@@ -5325,10 +5325,8 @@
 					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();