Removed unnecessary cleanup in isEventSupported

bobbymanuel · Dec 24, 2013 · 63ca84e · 63ca84e
1 parent 9e0987c
commit 63ca84e
Showing 1 changed file with 0 additions and 5 deletions.
diff --git a/src/dom/isEventSupported.js b/src/dom/isEventSupported.js
@@ -56,18 +56,13 @@ function isEventSupported(eventNameSuffix, capture) {
   if (!isSupported) {
     element.setAttribute(eventName, 'return;');
     isSupported = typeof element[eventName] === 'function';
-    if (typeof element[eventName] !== 'undefined') {
-      element[eventName] = undefined;
-    }
-    element.removeAttribute(eventName);
   }
 
   if (!isSupported && useHasFeature && eventNameSuffix === 'wheel') {
     // This is the only way to test support for the `wheel` event in IE9+.
     isSupported = document.implementation.hasFeature('Events.wheel', '3.0');
   }
 
-  element = null;
   return isSupported;
 }