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<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
  $("input").keyup(function(event){ 
    $("div").html("Key: " + event.which);
  });
});
</script>
</head>
<body>
Enter your name: <input type="text">
<p>When you type in the field above, the div below will display the key number.</p>
<div />
</body>
</html>