JSFiddle - React, Tailwind, and code Playground

HTML

<div id="p">p
    <div id="c1">c1
        <div id="c2">c2</div>
        <div id="c3">c3</div>
    <div id="c4">c4
        <div id="c5">c5</div>
    </div>
</div>

JavaScript

$('#p').on('click', function(event) {
    alert(event.target.id);
});