JSFiddle - React, Tailwind, and code Playground

HTML

<p> Test Interval Function </p>
<div id="testInterval">1</div>

CSS

p
{
    color:#EFBBBD;
    padding-bottom:10px;
}

JavaScript

setInterval(function () {
    $('#testInterval').text(parseInt($('#testInterval').text(), 10) + 1);
}, 1000);