Mega Code Archive
Unicode of the key pressed
<![CDATA[
<html>
<head>
<script type="text/javascript">
function whichButton(event){
alert(event.keyCode)
}
</script>
</head>
<body onkeyup="whichButton(event)">
<p>Press a key on your keyboard. </p>
</body>
</html>
]]>