JSFiddle - React, Tailwind, and code Playground

by shooter

HTML

<table>
    <tr><td></td><td></td><td></td></tr>
    <tr><td></td><td></td><td></td></tr>
    <tr><td></td><td></td><td></td></tr>
    <tr><td></td><td></td><td></td></tr>
    <tr><td></td><td></td><td></td></tr>
</table>

CSS

td {
 width: 50px;
 height: 10px;  
 border: solid 1px black;   
}

JavaScript

$('table tr:not(:last) td:nth-child(2)').css('backgroundColor', 'Red');