JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.5/themes/cupertino/jquery-ui.css">
<div id="dialog" title="foo">bar</div>

JavaScript

(function($) {
    $.widget("ui.mydialog", $.ui.dialog, {
        _create: function() {
        	console.log(this);
            // Your code before calling the overridden method.
            $.ui.dialog.prototype._create.call(this);
            // Your code after calling the overridden method.
        }
    });

})(jQuery);

$(function() {
    $('div#dialog').mydialog();
});