Elements addClass() - KirkGarcia182/domExtend GitHub Wiki

addClass()

Description

Adds a new class or classes to the element.

Syntax

element.addClass(classNames);

Parameters

classNames- A String containing the class or classes you want to add to the element, classes should be separated by a white space

Return Value

The element you just manipulated so you can chain these methods.

Example

<!DOCTYPE html>
<html>
<head>
	<title>domExt Examples</title>
</head>
<body>
	<div id="app">
		<div class="menus">
			<ul id='menuList'>
				<li><a>Menu 1</a></li>
				<li><a>Menu 2</a></li>
				<li><a>Menu 3</a></li>
			</ul>
		</div>
	</div>
	<script type="text/javascript" src="domExt.js"></script>
	<script type="text/javascript">
		window.$ = document;

		let app = $.byId('app');
		app.addClass('class1 class2 class3');
		console.log(app); 
		/* Result 
			<div id='app' class='class1 class2 class3'>
		*/
	</script>
</body>
</html>