Introduction To Node.js

New to Node.js? This  article will help you to get to the basics of Node.js.



What is Node.js?

  • Node.js is an open source server framework and allows you to run JavaScript on the server.
  • Its almost free to use
  • It can run in many platforms 
    • Widows
    • Linux
    • Mac and so on.
  • Its package ecosystem is called 'npm'.
  • It can generate dynamic page content
  • Also can obtain the CRUD functionalities
  • Very Fast.
  • Good for real-time services like chats.

Lets Get started ....!

Here I use Atom as my text editor. You can download and install it.Also you should download Node.js from the Node.js Official Website .

After installing Node.js open your command prompt and type the following command to get to know the version
node -v
Now create a project folder in your root folder.

Hello World! 

Now lets type our first Node.js command to print Hello World! To  this open a js file called test,js in your project folder and type the following command.
console.log('Hello World!');

Now to run the file get the file path from the command line and type the following code.
node test
In here my file name is test.js. So I used test which is my file name. Then you will get an output as below.






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