JSFiddle - React, Tailwind, and code Playground

HTML

<div class="sub-menu">
    <ul>
        <li><a href="#">Link 1</a></li>
        <li><a href="#">Link 2</a></li>
        <li><a href="#">Link 3</a></li>
        <li><a href="#">Link 4</a></li>
    </ul>
</div>

CSS

.sub-menu{
	padding: 20px;
	background-color: #ccf;
}

JavaScript

$(".sub-menu").click(function(e) {
	console.log(e.target, this, e.target == this);
});