Nodejs creating a basic HTTP Server

The content is simple, but the foundation, write to share with you, forget can find out

Create a server with the following code: Create a server with the following code:

var http=require (' http '); Http.createserver (function (req,res)) {Res.writeheader (200,{' content-type ': ' text/html '}) ; Res.write (' 
Access to input http://127.0.01:3000
The port is the port value entered in the code at listen.

To add, how do I close after we've built it, Nodejs won't quit the event loop. Press CTRL + C at the command prompt to exit the server creation
Access will not be accessible.
Nodejs creating a basic HTTP Server