From 1f510bc32210f14d4cf5a13979de871fe71f4b42 Mon Sep 17 00:00:00 2001
From: alaineman <belasting-dienst@live.nl>
Date: Fri, 24 Mar 2017 17:24:37 +0100
Subject: [PATCH] Replace unique by uniqueSort

According to the new jquery 3+
---
 ui/widget.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui/widget.js b/ui/widget.js
index 726f70735c9..439e709d1ad 100644
--- a/ui/widget.js
+++ b/ui/widget.js
@@ -498,7 +498,7 @@ $.Widget.prototype = {
 			for ( i = 0; i < classes.length; i++ ) {
 				current = that.classesElementLookup[ classes[ i ] ] || $();
 				if ( options.add ) {
-					current = $( $.unique( current.get().concat( options.element.get() ) ) );
+					current = $( $.uniqueSort( current.get().concat( options.element.get() ) ) );
 				} else {
 					current = $( current.not( options.element ).get() );
 				}