JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.the-art-of-web.com/hilitor.js"></script>
<div class="content">
<h1>My First JavaScript</h1>

<p>Click to highlight text.</p>

</div>
<button type="button" onclick="find()">Click</button>

JavaScript

function find(){    
    var myHilitor = new Hilitor("content");
    myHilitor.apply('First');
 }