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);
})