JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <head>
    </head>
    <body>
        <button>Click me!</button>
        <table>
            <tr><td>a</td><td>c</td></tr>
        </table>
    </body>    
</html>

CSS

table{
    width:100%;
    background:#eeeeee;
}

JavaScript

function addRowToTable(table, row) {
    table.append(row);
}

$(document).ready(function() {
    $('button').click(function() {
        var row = "<tr><td>cell 1</td><td>cell 2</td></tr>";
        addRowToTable($('table'), row);
    });
});