From 51b2e5f8cf0e0602646c67841916a12af5b41102 Mon Sep 17 00:00:00 2001
From: Hadi Nategh <hnategh@gmail.com>
Date: Mon, 18 Mar 2019 16:39:14 +0100
Subject: [PATCH] Use a better check for ES6 detection

---
 api/js/login.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/js/login.js b/api/js/login.js
index b613fd5354..53120cfaa5 100644
--- a/api/js/login.js
+++ b/api/js/login.js
@@ -17,7 +17,7 @@ egw_LAB.wait(function()
 	{
 		// check if the browser supports ES6 and try to warn user
 		try {
-			Symbol();
+			Function ("() => {};");
 		}
 		catch (exception){
 			alert(egw.lang('Your browser is not new enough (JS ES6 compatible), you may experience some of the feautres not working.'));