JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tbody>
    </tbody>
</table>
<input type="button" value="Click me" />

JavaScript

$('input').click(function() {    
    var select1 = $('<select>');
    var select2 = $('</select>');
    
    wrapWithTd(select1).add(wrapWithTd(select2)).wrapAll('<tr>');        
        
    $('table tbody').append(select1.parents('tr'));
    
    function wrapWithTd(el) {
        el.wrap('<td>');
        return el.parent();
    }
    
    return false;
});