HTMLCollection and Nodelist removeClass() - KirkGarcia182/domExtend GitHub Wiki
Removes single or multiple classes from all elements within the collection, when removing multiple classes just separate each class names with a white-space.
collection.removeClass(classNames);
classNames - A String
containing the class name or class names which will be removed, separated by a white-space.
The collection you just manipulated so you can chain these methods.
<!DOCTYPE html>
<html>
<head>
<title>domExt Examples</title>
</head>
<body>
<div id="app">
<div class="menus">
<ul id='menuList1'>
<li><a class='menuLink'>Menu 1</a></li>
<li><a class='menuLink'>Menu 2</a></li>
<li><a class='menuLink'>Menu 3</a></li>
</ul>
</div>
</div>
<script type="text/javascript" src="domExt.js"></script>
<script type="text/javascript">
window.$ = document;
let collection = $.qsa('.menuLink');
collection.addClass('class1 class2 class3');
console.log(collection);
/* Result
<li><a class='menuLink class1 class2 class3'>Menu 1</a></li>
<li><a class='menuLink class1 class2 class3'>Menu 2</a></li>
<li><a class='menuLink class1 class2 class3'>Menu 3</a></li>
*/
collection.removeClass('class1 class3');
console.log(collection);
/* Result
<li><a class='menuLink class2'>Menu 1</a></li>
<li><a class='menuLink class2'>Menu 2</a></li>
<li><a class='menuLink class2'>Menu 3</a></li>
*/
</script>
</body>
</html>