JSFiddle - React, Tailwind, and code Playground

HTML

<table><tr>
    <td id="my"></td>
</tr></table>
<div id="log"></div>

CSS

#my {
    border: 5px solid red;
}

JavaScript

$("#my").width(200).height(100);
$("#log").append("Width = " + $("#my").width() + "<br />");
$("#log").append("Height = " + $("#my").height());