JSFiddle - React, Tailwind, and code Playground

HTML

<ul id="level1">
     <li id="level21">item1</li>
     <li id="level22">item2</li>
</ul>

JavaScript

$('#level1').on('click', function(event){
         alert($(this) + ',' + event);
    });

$('#level21').on('click', function(event){
         alert($(this) + ',' + event);
    });