JSFiddle - React, Tailwind, and code Playground

HTML

<table id="correctionTable">
    <tr>
        <td></td>
        <td></td>
        <td></td>
        <td></td>
        <td></td>
        <td></td>
        <td></td>
        <td></td>
        <td></td>
    </tr>
</table>

JavaScript

var num = 0;
$("#correctionTable td").each(function () {
   num++;
   $(this).text(num);
});