NODE.JS

SUMARY

¿What is Node.js?, Origins and philosophy. 

Node.js is a JavaScript runtime enviroment created in 2009 , it is oriented to servers. 

Features:

• Single thread with asynchronous inpust and outputs. 
• V8 engine.
• module centric.
• event oriented.

EventLoop: asynchronous by design

A process with a loop that asynchronously manages all events of your aplication.

you imagine a circle, it will go round and round. 

Event Queue It is everything you have in the line of code. (function,Request, Event).

Thread Pool: For each request, it spins up a thread.