- open source server environment.
- JavaScript on the server.
- Node.js is a very powerful JavaScript-based platform built on Google Chrome's JavaScript V8 Engine
- npm init - npm inisalation
- new filename.js
- node filename
- nodemon
- npm packager Automatic re-running(detect changes)
- "scripts": { "start": "node fileName", "watch": "nodemon fileName" }
- npm run watch
- global
- modules