JSFiddle - React, Tailwind, and code Playground

HTML

<div id="main">
    <div id="first"></div>
    <div id="second"></div>
</div>

CSS

#first {
    background: #ff0;
    height : 100px;
}
#second {
    position: absolute;
    left: 50px;
    top: 50px;
    height: 50px;
    width: 50px;
    background: #f00;
}

JavaScript

$('#main').click(function (ev) {alert(ev.target.id);})