From: Matthias Schmidt <gravatronics@live.com>
Date: Mon, 22 Aug 2016 15:37:39 +0000 (+0200)
Subject: Harden UiSimpleDropdown.destroy() against changed DOM
X-Git-Tag: 3.0.0_Beta_1~576^2~8
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fd5b9debf1538630fbe15844aff4c1930e068552;p=GitHub%2FWoltLab%2FWCF.git

Harden UiSimpleDropdown.destroy() against changed DOM
---

diff --git a/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Dropdown/Simple.js b/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Dropdown/Simple.js
index 2bd4c4f88a..0eb7819672 100644
--- a/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Dropdown/Simple.js
+++ b/wcfsetup/install/files/js/WoltLabSuite/Core/Ui/Dropdown/Simple.js
@@ -281,10 +281,15 @@ define(
 				return false;
 			}
 			
-			this.close(containerId);
-			
-			var menu = _menus.get(containerId);
-			_menus.parentNode.removeChild(menu);
+			try {
+				this.close(containerId);
+				
+				var menu = _menus.get(containerId);
+				_menus.parentNode.removeChild(menu);
+			}
+			catch (e) {
+				// the elements might not exist anymore thus ignore all errors cleaning up
+			}
 			
 			_menus['delete'](containerId);
 			_dropdowns['delete'](containerId);