From a272b054ad6f461267e605f15282fabab9c9fb64 Mon Sep 17 00:00:00 2001
From: Mark Eaton <MarkEEaton@users.noreply.github.com>
Date: Mon, 23 Feb 2026 10:26:38 -0500
Subject: [PATCH] fix TypeError on obsolete_browser_alert innerHTML access

Add null check before accessing innerHTML, since the element may not
exist in the DOM when the CMS renders the page.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 groups/home/bootstrap5/home1.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/groups/home/bootstrap5/home1.js b/groups/home/bootstrap5/home1.js
index 3e62a25..26cff0d 100644
--- a/groups/home/bootstrap5/home1.js
+++ b/groups/home/bootstrap5/home1.js
@@ -36,7 +36,8 @@
 // Display warning if ES6 detection failed
 window.onload = function () {
   if (window.isES6 == false) {
-    document.getElementById("obsolete_browser_alert").innerHTML =
+    var alertEl = document.getElementById("obsolete_browser_alert");
+    if (alertEl) alertEl.innerHTML =
       '<div class="alert alert-danger" role="alert" style="text-align: center;"><strong>WARNING! Unsupported browser!</strong><br />It looks like you\'re using an old browser.<br />This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge.<br />If you continue with this browser, many parts of this site will not work and you will see unexpected results.</div>';
   }
 };