JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td rowspan="2">First</td>
        <td> First 1 1 </td>
        <td> First 2 1 </td>
    </tr>
    <tr>
         <td> First 2 1 </td>
         <td> First 2 2 </td>
    </tr>
    <tr>
        <td rowspan="2">Second</td>
        <td> Second 1 1 </td>
        <td> Second 2 1 </td>
    </tr>
    <tr>
         <td> Second 2 1 </td>
         <td> Second 2 2 </td>
    </tr>
</table>

JavaScript

var tdWithRow = $('td').siblings('td[rowspan]').length ?  $('td').siblings('td[rowspan]') : $('td').parent().prev('tr').find('td[rowspan]');
console.log(tdWithRow);