JSFiddle - React, Tailwind, and code Playground

by mpalmerlee

HTML

<html>
<body>
    <span id="textHeight" />
</body>
</html>

JavaScript

var d = document.createElement("span");
d.font = "20px arial";
d.textContent = "Hello world!";
document.body.appendChild(d);
var emHeight = d.offsetHeight;
document.body.removeChild(d);
$('#textHeight').text(emHeight);