<!doctype html>
<html>
<head>
<script src='https://cdn.firebase.com/js/client/2.2.1/firebase.js'></script>
<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js'></script>
<link rel='stylesheet' type='text/css' href='/resources/tutorial/css/example.css'>
</head>
<body>
<div id='messagesDiv'></div>
<input type='text' id='nameInput' placeholder='Name'>
<input type='text' id='messageInput' placeholder='Message'>
<script>
var myDataRef = new Firebase('https://hbw30ob2a8y.firebaseio-demo.com/');
$('#messageInput').keypress(function (e) {
if (e.keyCode == 13) {
var name = $('#nameInput').val();
var text = $('#messageInput').val();
myDataRef.push({name: name, text: text});
$('#messageInput').val('');
}
});
myDataRef.on('child_added', function(snapshot) {
var message = snapshot.val();
displayChatMessage(message.name, message.text);
});
function displayChatMessage(name, text) {
$('<div/>').text(text).prepend($('<em/>').text(name+': ')).appendTo($('#messagesDiv'));
$('#messagesDiv')[0].scrollTop = $('#messagesDiv')[0].scrollHeight;
};
</script>
</body>
</html>
sprawdz na firebase.com