JSFiddle - React, Tailwind, and code Playground

by scumah

HTML

<table border="1">
    <tr>
        <td>row 1, cell 1</td>
        <td>row 1, cell 2</td>
        <td>row 1, cell 3</td>
        <td>row 1, cell 4</td>
    </tr>
    <tr>
        <td>row 2, cell 1</td>
        <td>row 2, cell 2</td>
        <td>row 2, cell 3</td>
        <td>row 2, cell 4</td>
    </tr>
</table>

CSS

table { width:100%; }

JavaScript

var cols       = $('table tr:first td').size(),
    width      = 90 / cols,
    last_width = 10;

$('table td').css('width', width + "%");
$('table tr > td:last-child').css('width', last_width + "%");