JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <head>
    </head>
    <body>
        <div class="wraper">
        <div class="row">hi</div>
    </div>
    <button>Add Row</button>
    </body>
</html>

CSS

.row{
    width: 100%;
    height: 20px;
    background-color: yellow;
    margin-bottom: 5px;
}
.hidden{
    display: none;
}

JavaScript

$(function() {
            $('button').on('click', function() {
                $row = $('div.row:first').clone();
                $('div.wraper').append($row);
            });
        });