JSFiddle - React, Tailwind, and code Playground
HTML
<ul>
<li>a</li>
<li>b
<ul>
<li>b.1</li>
<li>b.2
<ul>
<li>b.2.1</li>
<li>b.2.2</li>
</ul>
</li>
<li>b.3</li>
</ul>
</li>
<li>c</li>
<li>d</li>
<li>e</li>
</ul>
JavaScript
$(document).ready(function(){
$('li').click(function(){
alert('hi');
});
});