JSFiddle - React, Tailwind, and code Playground

HTML

<table>
<tbody>
<tr>
<td>
<h2>About</h2>
</td>
</tr>
</tbody>
</table>

<table>
<tbody>
<tr>
<td>
<h2>Services</h2>
</td>
</tr>
</tbody>
</table>

<table>
<tbody>
<tr>
<td>
<h2>News</h2>
</td>
</tr>
</tbody>
</table>

JavaScript

$(document).ready(function() {
    var section = $("<section>");
        $("table").each(function(){
            $("td").each(function(){
                var content = $('<div class="content">').html(this.innerHTML);
                section.append(content);
            });
        $("table").replaceWith(section);  
    });
});