JSFiddle - React, Tailwind, and code Playground
HTML
<ul id='myid'>
<li id='1'>First</li>
<li id='2'>Second</li>
<li id='3'>Third</li>
<li id='4'>Fourth</li>
<li id='5'>Fifth</li>
</ul>
JavaScript
$("#myid li").click(function() {
alert(this.id); // get id of clicked li
});