JSFiddle - React, Tailwind, and code Playground
HTML
<title>jQuery UI Datepicker - Default functionality</title>
<script src="https://code.jquery.com/jquery-1.12.4.js"></script>
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<p>Date: <input type="text" id="datepicker"></p>
CSS
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
JavaScript
$( function() {
$( "#datepicker" ).datepicker();
} );