JSFiddle - React, Tailwind, and code Playground

HTML

<div id="box" style="width: 100px; height: 100px; background-color: red"></div>
<div id="results"></div>

JavaScript

var element = $("#box");
var h = "12.4";
$(element).height(h);
$("#results").text("Box height is " + $("#box").height() + " (should be 12)");