JSFiddle - React, Tailwind, and code Playground

HTML

<table>
  <td>ABC</td>
</table>

<div style="display: none">
  <form>DEF</form>
</div>

CSS

/* https://html.spec.whatwg.org/#tables-2" 

   In HTML documents, 
   the following rules are also expected to apply:

:matches(table, thead, tbody, tfoot, tr) > form {  display: none !important; } 
*/

JavaScript

document.querySelector('tr').appendChild(
	document.querySelector('form')
);