say hello – node js

What nodejs.org say, about nodejs?

Node.js is a platform built on Chrome’s JavaScript runtime for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.

By above text we can easily say that nodejs is really good platform if we are thinking about the real-time distributed application.

How to setup?

Very easy, download to the recent release are listed in

http://nodejs.org/download/

you can notice, it is available for all of the OS platform. Use your own and install.

Check if installation is fine?

node -v

in most of the case node come with npm.

npm -v

If you got the version no of node and npm, all are fine. Lets move to the programming world.

say-hello.js

Follow the steps

  • Ceate a file in your own location. File name should be say-hello with js as extension. (say-hello.js)
  • Open file in your own editor. I love sublime you can download here. you can also use notepad(windows) or gedit (linux)
  • Put following code in file and

console.log(‘hello, you are running nodejs application’);

  • Go to the command line and point to the path where you have placed file.
  • Run the command node say-hello.js

Output

hello, you are running nodejs application

Isn’t it easier then you think? Give it a try.

Leave a Reply

Your email address will not be published. Required fields are marked *