From dd02ac4253e5c3c1cccc1e47d58691d699ab4731 Mon Sep 17 00:00:00 2001
From: Claude Brisson <claude@renegat.net>
Date: Wed, 27 Dec 2023 08:49:16 +0100
Subject: [PATCH] bugfix

---
 view-webapp/src/main/webapp/js/domhelper.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/view-webapp/src/main/webapp/js/domhelper.js b/view-webapp/src/main/webapp/js/domhelper.js
index 148954f..e2c54d8 100644
--- a/view-webapp/src/main/webapp/js/domhelper.js
+++ b/view-webapp/src/main/webapp/js/domhelper.js
@@ -47,6 +47,7 @@ Element.prototype.toggleClass = function(className) {
   return this;
 }
 NodeList.prototype.hasClass = function(className) {
+  if (this.length === 0) return false;
   return this.item(0).classList.contains(className);
 }
 Element.prototype.hasClass = function(className) {