JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>celll</td>
        <td>celll</td>
        <td>celll</td>
    </tr>
    <tr>
        <td>celll</td>
        <td class="test"> <span><input type='text' /></span> 
        </td>
        <td> <span><input type='text' /></span> 
        </td>
    </tr>
</table>

JavaScript

$('.test').find('input').each(function(){
    var parent = $(this).closest('td');
    alert(parent);
})