JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <body>
        <div id="result"></div>
    </body>
</html>

JavaScript

$(function(){
         
             $(document)
                 .keydown(function(event){
                     var keyCode = event.which;
                     var result = 'Keycode ' + keyCode + ' down!<br />';
                     $('#result').append(result);
                     event.stopPropagation();
                 });
         });