JSFiddle - React, Tailwind, and code Playground

HTML

<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8" />
    <link rel="stylesheet" href="http://code.jquery.com/ui/1.9.0/themes/base/jquery-ui.css" />
    <script src="http://code.jquery.com/jquery-1.8.2.js"></script>
    <script src="http://code.jquery.com/ui/1.9.0/jquery-ui.js"></script>

    <script>
    $(function() {
        $( "#datepicker" ).datepicker();
        $( "#spinner" ).spinner();
    });
    </script>
</head>
<body>
    <input type="text" id="datepicker" /><br>
    <input id="spinner" name="value" />
</body>
</html>

CSS

#datepicker {
    position: relative;
    z-index: 100;
}