Elements on() - KirkGarcia182/domExtend GitHub Wiki
Is a shortcut to addEventListener().
element.on(type, listener[, options]);
The element 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='menuList'>
<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 link = $.qs('.menuLink');
link.on('click', e => console.log('Menu 1 clicked!'));
/* Result
Menu 1 clicked!
*/
</script>
</body>
</html>