JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://code.jquery.com/jquery-git2.js"></script>
<script src="https://getfirebug.com/firebug-lite-debug.js"></script>
<table>
    <tbody>
        <tr>
            <td>1x1</td>
            <td>1x2</td>
        </tr>
    </tbody>
</table>

CSS

td {
    background: green;
}

JavaScript

$('table').append('<tr><td>2x1</td><td>2x2</td></tr>');
console.log($('table').get(0).outerHTML);