JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#" id="contactUs">Contact Us</a>                   
<div id="dialog" title="Contact form">
   <p>appear now</p>
</div>

CSS

#dialog {
    display: none;
}

JavaScript

$(document).ready(function() {
    $("#contactUs").click(function() {
        $("#dialog").dialog();
        return false;
    });
});