JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://fancyapps.com/fancybox/source/jquery.fancybox.js"></script>
<link rel="stylesheet" href="http://fancyapps.com/fancybox/source/jquery.fancybox.css">
<div id="a1" style="display:none">
    <p>Click on the box</p>
    <div class="r"></div>
</div>

JavaScript

$(document).ready(function () {
    $('html').append('<a class="fancybox" style="display:none" href="#a1"></a>');
    $('.fancybox').fancybox({
        afterClose: function () {
            $('a[href="#a1"]').remove();
        }
    });
    $('a[href="#a1"]').trigger('click');
});