From 41c58d2466a489f98d5f49ce0bc08c6bc692cedf Mon Sep 17 00:00:00 2001
From: Arthurk12 <arthur_bockmann@hotmail.com>
Date: Tue, 16 Apr 2024 11:22:20 -0300
Subject: [PATCH] fix(user-list): validate before getting element attribute

Implements check for getAttribute type before calling it.
---
 .../user-list/user-list-content/user-participants/component.jsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/user-participants/component.jsx b/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/user-participants/component.jsx
index ff8e0f3cf2..4d529ed398 100755
--- a/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/user-participants/component.jsx
+++ b/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/user-participants/component.jsx
@@ -92,7 +92,7 @@ class UserParticipants extends Component {
 
   selectEl(el) {
     if (!el) return null;
-    if (el.getAttribute('tabindex')) return el?.focus();
+    if (typeof el.getAttribute === 'function' && el.getAttribute('tabindex')) return el?.focus();
     this.selectEl(el?.firstChild);
   }