Node.js - Environment Setup

Installing Node.js for Windows

Go to Node.js official website https://nodejs.org/en/

Download node.js for windows by clicking on 12.16.3 LTS or 14.2.0 Current button.

After you download the node.js, double-click on it to start the installation and follow it.

Verify Installation

After installing node.js you can verify it.

Open the command prompt(CMD) and typing node -v

If Node.js is installed successfully then CMD display the version of the Node.js

Installing Node.js for Windows

Go to Node.js official website https://nodejs.org/en/download/

Download node.js for mac by clicking on macOS installer button.

After you download the node.js, double-click on it to start the installation and follow it.

Verify Installation

After installing node.js you can verify it.

Open the terminal window and typing node -v

If Node.js is installed successfully then it will display the version number of Node.js installed on your Mac.

TextEditor

Node.js uses JavaScript to develop an application.

Node.js uses any text editor tool that supports JavaScript syntax

Node.js can use Visual Studio,Visual Studio Code, Sublime text, Eclipse, etc.

Node.js Console

Node.js comes with virtual environment called Read-Eval-Print-Loop(REPL)

REPL is quick and easy way to test simple Node.js/JavaScript code in command prompt

Example

Open command prompt (in Windows) or terminal (in Mac or UNIX/Linux)