JSFiddle - React, Tailwind, and code Playground
by jensgram
HTML
<table title="outer">
<tr>
<td>
<table title="inner">
<tr>
<td>
<input type='button' id='myId' />
</td>
</tr>
</table>
<table title="sibling">
<tr>
<td>
</td>
</tr>
</table>
</td>
</tr>
</table>
JavaScript
alert($('#myId').closest('table').attr('title'));