expressjsExample.js

//Copy this code to specific folder 
//Name the file to app.js
//Run fillowing command to install dependent modules and run application

//npm install express && node app.js

var express = require('express');

var app = express();

app.get('/', function (req, res) {
    res.send('hello, world!')
});

var port = 9999;

app.listen(port, function () {
    console.log('magic happen @ port')
});