JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tbody>
        <tr>
            <td></td>
            <td>lorem</td>
            <td>dolor sit</td>
            <td>amet</td>
        </tr>
        <tr>
            <td></td>
            <td>lorem</td>
            <td>dolor sit</td>
            <td>amet</td>
        </tr>
    </tbody>
</table>
<span></span>

JavaScript

var wd  = $('table tr:eq(0) td:eq(0)').width();
var wd2 = $('table tr:eq(0) td:eq(0)').width();
$('span').text(wd2);