From 1a7bb2330fba1e8b85d4ea2fa288b19c2d717b52 Mon Sep 17 00:00:00 2001
From: Cagatay Civici <cagatay.civici@gmail.com>
Date: Tue, 17 Nov 2020 17:03:57 +0300
Subject: [PATCH] Fixed #9497 - DOM Exception trigger with ButtonDirective
 afterViewInit

---
 src/app/components/dom/domhandler.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/app/components/dom/domhandler.ts b/src/app/components/dom/domhandler.ts
index 717e52f09fb..e437b1519bc 100755
--- a/src/app/components/dom/domhandler.ts
+++ b/src/app/components/dom/domhandler.ts
@@ -26,7 +26,7 @@ export class DomHandler {
 
     public static addMultipleClasses(element: any, className: string): void {
         if (element.classList) {
-            let styles: string[] = className.split(' ');
+            let styles: string[] = className.trim().split(' ');
             for (let i = 0; i < styles.length; i++) {
                 element.classList.add(styles[i]);
             }