Untitled

<!DOCTYPE html>
<html>
<head>
<script src="http://code.jquery.com/jquery-1.9.0.min.js"></script>
</head>
<body>

  <div class='printchatbox'>CHANGE ME</div>
  <input type='text' name='fname' class='chatinput'>
</body>
<script type="script/javascript">
  $('.chatinput').keyup(function(event) {
    newText = event.target.value;
    $('.printchatbox').text(newText);
  });
</script>
</html>