Node.js

• its runtime built on Chrome’s V8 JSengine.
• event-based
• non-blocking
• Asynchronous
• I/O runtime
• uses
• Google’s Chorme V8

• libuv library

• creator Ryan Dahl
• he enhanced V8
• version manager allows you to switch between different versions

Hello, World!

• ECMAScript 2015 (ES6) ?

• less compatibility issues
• npm = package manager
• local package install “npm init -y”

Async

• its instead of being bogged down node sets a callback to process other incoming request without need more threads or servers.
• there are cloning strats for scaling capabilites.apps
• async waiting now helps to write things the wont crash due to async running

Node

• good for real time apps!
• good for API/databases
• good boilerplates
• fast and scalable
• can make ROBOTS!