Node.js + express + socket.io base project.

app.js

;(function () {
    var app = require('express')();
    var server = require('http').createServer(app);
    var io = require('socket.io').listen(server);
    
    server.listen(3000);
    
    app.use(express.static(__dirname + '/public'));
    app.use(express.bodyParser());
    app.use(express.cookieParser('cookieparsersecret'));
    app.use(express.cookieSession({secret: 'cookiesessionsecret'}));
    app.use(express.methodOverride());
    
    io.sockets.on('connection', function (socket) {
        socket.emit('news', { hello: 'world' });
        socket.on('my other event', function (data) {
            console.log(data);
        });
    });
})();

index.html

<script src="/socket.io/socket.io.js"></script>
<script>
    var socket = io.connect('');
    socket.on('news', function (data) {
        console.log(data);
        socket.emit('my other event', { my: 'data' });
    });
</script>