JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr><td>some content</td></tr>
</table>

JavaScript

var count = 0;
jQuery('table tr').live('click', function(){
    count += 1;
    jQuery(this).after('<tr><td>some content'+count+'</td></tr>')
        .find('td')
        .wrapInner('<div style="display: none;" />')
        .parent()
        .find('td > div')
        .slideDown(700, function(){
            var $set = $(this);
            $set.replaceWith($set.contents());
        });
});