JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://code.jquery.com/jquery-latest.min.js"></script>
<button>Add class to Text 1</button>
<br />
<a href="#">Text 1</a>
<br />
<a href="#" class="myClass">Text 2</a>

JavaScript

$("button").click(function() {
  $("a").addClass("myClass");
});
$(document).on('click', ".myClass", function() {
  alert("clicked!");
});