JSFiddle - React, Tailwind, and code Playground
HTML
<div class="main">
<p class='cl'>1</p>
<p>2</p>
<p class='cl'>3</p>
<p>4</p>
</div>
JavaScript
$( ".main" ).on('click', '.cl', function() { alert('clicked'); });
$( ".main" ).append( "<p class='cl'>Test</p>" );