From 41074b0e7e97401f387f70c4df684d49c75792bf Mon Sep 17 00:00:00 2001
From: Cagatay Civici <cagatay.civici@gmail.com>
Date: Wed, 21 Oct 2020 13:58:07 +0300
Subject: [PATCH] Fixed #586 - Dropdown inside datable using showClear causing:
 Cannot read property 'classList' of null

---
 src/components/utils/DomHandler.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/components/utils/DomHandler.js b/src/components/utils/DomHandler.js
index e7eeaebe8..5cab381f8 100755
--- a/src/components/utils/DomHandler.js
+++ b/src/components/utils/DomHandler.js
@@ -143,10 +143,14 @@ export default class DomHandler {
     }
 
     static hasClass(element, className) {
-        if (element.classList)
-            return element.classList.contains(className);
-        else
-            return new RegExp('(^| )' + className + '( |$)', 'gi').test(element.className);
+        if (element) {
+            if (element.classList)
+                return element.classList.contains(className);
+            else
+                return new RegExp('(^| )' + className + '( |$)', 'gi').test(element.className);
+        }
+        
+        return false;
     }
 
     static find(element, selector) {