From a72d3a09bf49ab32cac7265c5a6ac44a9f24b7d5 Mon Sep 17 00:00:00 2001
From: Cameron Fischer <fischer.cameron@gmail.com>
Date: Thu, 8 Jan 2026 04:13:16 -0500
Subject: [PATCH] Quick fix to some deprecated class methods (#9561)

---
 core/modules/utils/deprecated.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/core/modules/utils/deprecated.js b/core/modules/utils/deprecated.js
index ecf14e9b0..f6993224e 100644
--- a/core/modules/utils/deprecated.js
+++ b/core/modules/utils/deprecated.js
@@ -44,15 +44,15 @@ exports.domMatchesSelector = (node,selector) => node.matches(selector);
 exports.hasClass = (el,className) => el.classList && el.classList.contains(className);
 
 exports.addClass = function(el,className) {
-	el.classList && el.classList.add(className);
+	el.classList && className && el.classList.add(className);
 };
 
 exports.removeClass = function(el,className) {
-	el.classList && el.classList.remove(className);
+	el.classList && className && el.classList.remove(className);
 };
 
 exports.toggleClass = function(el,className,status) {
-	el.classList && el.classList.toggle(className, status);
+	el.classList && className && el.classList.toggle(className, status);
 };
 
 exports.getLocationPath = () => window.location.origin + window.location.pathname;
\ No newline at end of file