From 7d60e97cc98ed9462f1ae4da5b6c3f3a85cf981b Mon Sep 17 00:00:00 2001
From: Pierre Ossman <ossman@cendio.se>
Date: Wed, 21 Mar 2018 15:33:14 +0100
Subject: [PATCH] Only show error stack if it is not empty

Parsing errors will not have a stack, and we don't want an empty
box in those cases.
---
 app/error-handler.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/error-handler.js b/app/error-handler.js
index e5a6adbe..5a2650fa 100644
--- a/app/error-handler.js
+++ b/app/error-handler.js
@@ -35,7 +35,7 @@
                 msg.appendChild(div);
             }
 
-            if (err && (err.stack !== undefined)) {
+            if (err && err.stack) {
                 div = document.createElement("div");
                 div.className = 'noVNC_stack';
                 div.appendChild(document.createTextNode(err.stack));