This is hello World in NodeJs with Socket.IO

hello.js

var http = require('http'),
    url = require('url'),
    ios = require('socket.io'),
    fs = require('fs');


var server = http.createServer(function(req, res) {
  res.writeHead(200, {'Content-Type': 'text/html'});
  res.end('<h1>Hello NodeJs</h1>');
});

server.listen(80);
var io = ios.listen(80);