JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://inorganik.github.io/countUp.js/dist/countUp.min.js"></script>
<h2 id="countUp-1"></h2>
<h2 id="countUp-2">33,021</h2>

JavaScript

var theval = 5000;
var demo = new CountUp("countUp-1", 0, theval, 0, 2.5);
demo.start();

var theval2 = parseInt($('#countUp-2').html().split(',').join(''));
var demo2 = new CountUp("countUp-2", 0, theval2, 0, 2.5);
demo2.start();