From: Matthias Schmidt <gravatronics@live.com>
Date: Sun, 31 Jul 2016 11:43:58 +0000 (+0200)
Subject: Fix potential error in UiPageAction.remove()
X-Git-Tag: 3.0.0_Beta_1~847
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=293e3724a2c1e21bb7d4bd8338b29acca7af6502;p=GitHub%2FWoltLab%2FWCF.git

Fix potential error in UiPageAction.remove()
---

diff --git a/wcfsetup/install/files/js/WoltLab/WCF/Ui/Page/Action.js b/wcfsetup/install/files/js/WoltLab/WCF/Ui/Page/Action.js
index 8314cd7d3b..12be9fa6e4 100644
--- a/wcfsetup/install/files/js/WoltLab/WCF/Ui/Page/Action.js
+++ b/wcfsetup/install/files/js/WoltLab/WCF/Ui/Page/Action.js
@@ -107,10 +107,15 @@ define(['Dictionary', 'Dom/Util'], function(Dictionary, DomUtil) {
 			if (button !== undefined) {
 				var listItem = button.parentNode;
 				listItem.addEventListener('animationend', function () {
-					_container.removeChild(listItem);
-					_buttons.delete(buttonName);
+					try {
+						_container.removeChild(listItem);
+						_buttons.delete(buttonName);
+					}
+					catch (e) {
+						// ignore errors if the element has already been removed
+					}
 				});
-					
+				
 				this.hide(buttonName);
 			}
 		},