Napriklad cez websockety s pouzitim firebase by to mohlo byt takto nejako. Text sa synchronizuje pri
stlaceni SPACE/ENTER. Pre jednoduchsot som to dal do jedneho html, ale boli by so samozrejme dva,
jeden pre prepisovatela a druhy pre klienta..
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title></title>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
<script src='https://cdn.firebase.com/js/client/1.0.15/firebase.js'></script>
</head>
<body>
<textArea id='prepisovatel' rows='20' cols='50'></textArea>
<textArea id='klient' rows='20' cols='50' readonly='true'></textArea>
<script>
var fb = new Firebase('https://crackling-fire-7803.firebaseio.com/');
$('#prepisovatel').keypress(function (e) {
if (e.keyCode == 13 || e.keyCode == 32) {
fb.set($('#prepisovatel').val());
}
});
fb.on('value', function(data) {
$('#klient').val(data.val());
});
</script>
</body>
</html>