JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <head>
        <style type="text/css">
            #dropzone {
                border: 2px dashed #ccc;
                width: 300px;
                height: 200px;
            }
        </style>
        <script src="//ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
        <script type="text/javascript">
            jQuery(document).ready(function($) {
                $('#dropzone').on({
                    dragenter: function(e) {
                        $(this).css('background-color', 'lightBlue');
                    },
                    dragleave: function(e) {
                        $(this).css('background-color', 'white');
                    },
                    drop: function(e) {
                        e.stopPropagation();
                        e.preventDefault();
                        console.log(e.dataTransfer.files);
                    }
                });
            });
        </script>
    </head>
    <body>
        <div id="dropzone">
            Drop files here
        </div>
    </body>
</html>