JSFiddle - React, Tailwind, and code Playground

HTML

<div id="myDiv1">
    <table>
        <tr class="row">
        </tr>
    </table>
</div>
<div id="myDiv2">
    <table>
        <tr class="row">
        </tr>
    </table>
</div>

JavaScript

$('.row').append('<td>test</td>');