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Frontend Masters

JavaScript: The Hard Parts, v2

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Overview

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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.

Syllabus

  • 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

Taught by

Will Sentance

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