server.js

var express = require('express');
var app = express();
var http = require('http').Server(app);
var io = require('socket.io')(http);
var path = require('path');

// Initialize appication with route / (that means root of the application)
// app.get('/', function(req, res){
//  var express=require('express');
//  app.use(express.static(path.join(__dirname)));
//  res.sendFile(path.join(__dirname, '', 'index.html'));
// });

var voteStats = [0, 0, 0, 0, 0];

app.use(express.static('./'));

var userSockets = [""];

// Register events on socket connection
io.on('connection', function(socket) {
	userSockets.push(socket);
	//console.log(socket);
	socket.on('chatMessage', function(from, msg) {
		io.emit('chatMessage', from, msg);
	});
	socket.on('notifyUser', function(user) {
		//console.log(user)
		io.emit('notifyUser', user);
	});

	socket.on('caroPlay', function(posX, posY) {
		//console.log('caroPlay: ', posX, ' ', posY);
		socket.broadcast.emit('caroPlay', posX, posY);
	})

	socket.on('getData', function() {
		socket.emit('returnData', voteStats);
	});

	socket.on('p', function(x) {
		socket.broadcast.emit('p', x);
		voteStats[x]++;
		//console.log(voteStats);
	});

	socket.on('m', function(x) {
		socket.broadcast.emit('m', x);
		voteStats[x]--;
	});
});

// Listen application request on port 3000
var port = 8124;
http.listen(port, function() {
	console.log('listening on *: ', port);
})