what is module in NO

what is module in NodeJS ?

module is a javascript library which contains set of function.

To include a module we need require function

example : var http = require(‘http’)

Now our application have access to http module .

we can do bellow

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