JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
  <script src="//code.jquery.com/jquery-1.10.2.js"></script>
  <script src="//code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
<div id="dialog" title="Basic dialog">
  <p>This is the default dialog which is useful for displaying information. The dialog window can be moved, resized and closed with the 'x' icon.</p>
</div>


<iframe id="fr" src="://www.w3schools.com" style="height:400px;width:400px;">
</iframe>

JavaScript

$(document).ready(function(){
$("#dialog").dialog({
    autoOpen: true,
    resizable: false,
    modal: true,
    width: 100,
    height: 100,
    position: ['center', 40],
    close: function (event, ui) {
        $('#dialog').attr('src', '');
        var iframe = document.getElementById('fr');
        iframe.src = iframe.src;//Reloads the Iframe
    }
});
});