JSFiddle - React, Tailwind, and code Playground

HTML

<table border=1 id="table">
    <tr>
        <td rowspan="2">0</td>
        <td>1</td>
        <td>2</td>
        <td>3</td>
    </tr>
    <tr>
        <td id="td">5</td>
        <td>6</td>
        <td>7</td> 
    </tr>
</table>