JSFiddle - React, Tailwind, and code Playground

HTML

<html>
<head>
<title>keyCode example</title>

<script type="text/javascript">

function showKeyCode(e)
{
alert("keyCode for the key pressed: " + e.keyCode + "\n");
}

</script>
</head>

<body onkeypress="showKeyCode(event);">
<p>Press any key.</p>
</body>
</html>