module.exports require

modules:

  • os
  • fs : readstream,writestream,pipe,duplexStream

http

const http = require('http');
const
server = http.createServer((req, res) = {
	console.log('request made');
	});
server. listen(3000, 'localhost', () => {
console.log('listening for requests on port 3000');
});

Status Code

100 Range - informational responses 200 Range - success codes 300 Range - codes for redirects 400 Range - user or client error codes 500 Range - server error codes