JSFiddle - React, Tailwind, and code Playground
HTML
<div id="testdiv">
</div>
JavaScript
var div = document.getElementById('testdiv');
div.innerHTML += parseInt(10.6, 10) + '<br/>';
div.innerHTML += parseInt(10, 10) + '<br/>';
div.innerHTML += parseInt(5.4, 10) + '<br/>';