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20 Things JavaScript Developers Should Know

VIDEOS

EPISODE 1
JavaScript Prototypal Inheritance
How inheritance works in JavaScript
EPISODE 2
JavaScript Prototypes
What is a Prototype and how is it different from __proto__?
EPISODE 3
Factory Functions
What are Factory Functions in JavaScript
EPISODE 4
Constructor Functions
What are Constructor Functions in JavaScript and why?
EPISODE 5
Factory Function vs. Constructor
What is the difference between Factories and Constructors in JavaScript?
EPISODE 6
JavaScript THIS keyword
The original f*cking a**hole of JavaScript: The THIS keyword!
EPISODE 7
Arrow Functions
An in-depth look into JavaScript Arrow Functions
EPISODE 8
Higher Order Functions
What are Higher Order Functions and why are they useful?
EPISODE 9
Closures
What are Closures in JavaScript and why they are so incredibly powerful
EPISODE 10
Value vs. reference
What do you mean when we say copy by Value vs. copy by Reference?
EPISODE 11
Async JavaScript
Synchronous vs. Asynchronous in JavaScript
EPISODE 12
JavaScript Promises
What are Promises and how do they work in JavaScript?
EPISODE 13
Async Await
What is Async/Await and how do we use them with Promises?
EPISODE 14
Fetch API
JavaScript Fetch API, how to use in with Promises, how it is different from XHR?

Last Updated: May 27, 2023

JavaScript Promises

What are Promises and how do they work in JavaScript?