ajinux / node-practice

Documenting the advanced things that I am learning in node js

What is Node?

Node is JavaScript runtime environment that runs on the V8 engine (by default) and executes JavaScript code outside a web browser. Latest version: 18.7.0 (as of Aug, 2022)

Difference between Node and JavaScript?

They are not comparable. JavaScript is a programming language but Node is a runtime environment (Just like a brower)

What is V8 engine and what are all it's alternative?

V8 is a Javascript engine which runs the JavaScript code. alternatives : SpiderMonkey (FireFox), Chakara (MicroSoft)

CallBack vs Promises

async await

JavaScript vs EcmaScript?

Reference

• What the heck is event loop
• The Node.js Event Loop: Not So Single Threaded
  • It's true that all JavaScript executed by Node.js is run in a single thread, but JS isn't all. The event loop (libuv), written in C++, is multi-threaded! Come learn how the event loop works, how it affects performance, and how you can use it your advantage!
  • Walks over multiple benchmark examples on how event loop works
  • Event loop is not part of v8 engine 🤔