JSFiddle - React, Tailwind, and code Playground
HTML
<table>
<tr>
<td class="column-text">column 1</td>
<td class="column-text">column 2</td>
<td class="column-text">column 3</td>
<td class="column-text">column 4</td>
<td>last column has not class</td>
</tr>
</table>
<html>
JavaScript
$("td.column-text").last().css("color", "red");