node-tutorial

Simple tutorial for anyone who never worked with node

This is a public repository.

How to use it

"Startup" topics are on the master branch. Other topics would be stored under topic/<name> branch once ready.

List of tutorials

01 helpers

• Basic node syntax
• Helpers used in this tutorial
• Syntax convention for this tutorial

02 helpers-lib

• Simpe node library
• Use of require

03 single threaded

• Node is NOT multi-threaded

04 single threaded but asynchronous

• Node is asynchronous to achieve multiple operations running in parallel
• System operations (I/O) can work in parallel

05 classes

• JavaScript class example (definition and usage)

06 event queue

• Event based asynchronous processing with node (basic concept of Node)

07 null, undefined

• Null, undefined and similar concepts in JavaScript

08 typeOf

• Basic types in JavaScript (weakly typed language)

09 promises

• Basic concept of a promise in JavaScript still used often (though often not very developer friendly)

10 await vs promise

• Advantage of await over promise

11 promise chaining

• Advantage of promises

12 error handling

• How to handle errors in JavaScript (with promise, with await)

13 promise reject

• Failing a promise

14 context and arrows

• Execution context
• Arrow functions

16 strange arrows

• Bonus: strange topics of arrows in JavaScript