JSFiddle - React, Tailwind, and code Playground

by Manoj kumar Lakshman

HTML

<table id="Tbl">
    <tr>
        <th>Hello</th>
        <th>...</th>
        <th>...</th>
        <th>...</th>
        <th>...</th>
        <th>...</th>
    </tr>
</table>

JavaScript

alert($('#Tbl').html());
$('th:eq(0)').replaceWith('<td>'+$('th:eq(0)').html()+'</td>');
alert($('#Tbl').html());