JSFiddle - React, Tailwind, and code Playground

HTML

<html>
<head>
    <link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/themes/base/jquery-ui.css" type="text/css" media="all" /> 
     <script src="//ajax.googleapis.com/ajax/libs/jqueryui/1.9.1/jquery-ui.min.js"></script>
</head>
<body>
    
    <input type="text" id="dateField">
    <script>
        $( "#dateField" ).datepicker({ firstDay: 4 });
    </script>
</body>
</html>