JavaScript: The Hard Parts, v2

Go under the hood of some of the most important aspects of JavaScript! You'll learn what you need to know to become a sought-after, versatile, problem-solving developer. Combining mental models of JavaScript's inner workings and hands-on programming challenges, this course will give you a solid understanding of callbacks and higher-order functions, closure, asynchronous JavaScript, and object-oriented JavaScript! This course is for developers with a basic to intermediate knowledge of JavaScript who wants to deepen their understanding of the fundamentals to the next level.

• Introduction
• Thread of Execution
• Functions
• Call Stack
• Generalized Functions
• Repeating Functionality
• Higher Order Functions
• Higher Order Functions Example
• Higher Order Functions Q&A
• Callbacks & Higher Order Functions
• Arrow Functions
• Pair Programming
• Closure Introduction
• Returning Functions
• Nested Function Scope
• Retaining Function Memory
• Function Closure
• Closure Q&A
• Closure Technical Definition & Review
• Multiple Closure Instances
• Practical Applications
• Closure Exercises
• Single Threaded Execution Review
• Asynchronicity in JavaScript
• Asynchronous Browser Features
• Web API Example
• Web API Rules
• Callback Queue & Event Loop
• Callback Queue and Event Loop Q&A
• Callback Hell & Async Exercises
• Promises Introduction
• Promises Example: fetch
• Promises Example: then
• Web APIs & Promises Example: fetch
• Web APIs & Promises Example: then
• Web APIs & Promises Example: Microtask Queue
• Promises and Asynchronous Q&A
• Promises Review
• Class & OOP Introduction
• Object Dot Notation
• Factory Functions
• Factory Functions Example
• Prototype Chain
• Prototype Chain Example: Prototypal Link
• Prototype Chain Example: Implicit Parameters
• hasOwnProperty Method
• this Keyword
• Arrow Function Scope & this
• Prototype Chain Review
• new Keyword
• new Keyword Example
• class Keyword
• Wrapping Up