Node JS

• A javascript runtime environment that executes the Javascript code outside of a browser. It can run on various platforms (Windows, Linux, Unix, Mac OS X, etc..)

Basic

• Save the below code in a "firstNode.js" file

var http = require('http');
http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/html'});
  res.end('Hello World!');
}).listen(8080);

• run the below command and open http://localhost:8080 in browser

d:\> node firstNode.js