JSFiddle - React, Tailwind, and code Playground
HTML
<table>
<tr><td>A</td><td>B</td><td>C</td></tr>
<tr><td>D</td><td>E</td><td>F</td></tr>
<tr><td>G</td><td class='test'>H</td><td>I</td></tr>
<tr><td>J</td><td>K</td><td>L</td></tr>
<tr><td>M</td><td>N</td><td>O</td></tr>
<tr><td>P</td><td>Q</td><td>R</td></tr>
</table>
JavaScript
var $H = $('test'); // H
var $temp = $H;
while( $temp = $temp.closest('tr').next() )
{
//alert($temp.val());
}