NodeJS Introduction

NodeJS is JavaScript based platform.It is used to build IO intensive web-application like video streaming sites, single-page applications, and other web applications.

Node.js = Runtime Environment + JavaScript Library

It is not advisable to use Node.js for CPU intensive applications.

Following are the Topics covered:

1. Environment setup
2. Node terminal – the playground for Nodejs
3. Node Components

Environment setup:

You require just two thing to set nodeJS up and running & ready to develop :

1. Text Editor
2. NodeJS binary installation (it comes by default bundled with package manager – npm)

Set the Environment variable in windows to point to bin: e.g C:\Program Files\nodejs\bin

To check if installed properly: use command

node -version or node -v

NodeJS Runtime:

The source code written in source file is simply JavaScript. The Node.js interpreter will be used to interpret and execute your JavaScript code