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Learn JavaScript Closures (PRO)

5h 15m 31s
English
Paid

Discover the power of JavaScript Closures, a fundamental yet complex concept in JavaScript that can revolutionize your approach to development. This course is designed to provide you with a deep understanding of closures, accelerating your ability to develop complete and efficient solutions.

Why Prioritize Learning Closures Over Frameworks?

Why learn Closures when I can learn Node or React?

In a world where frameworks like Node and React dominate, understanding the core concepts such as closures is crucial. Mastering closures means you become a developer who truly owns the tools at your disposal. Familiarity with underlying principles enables you to build more complex, reliable systems.

True mastery is about understanding basic principles and constructing upon them. Learning closures is an essential step that enriches your existing knowledge base, allowing you to grasp more advanced concepts easily.

Every concept you understand in depth is an investment in your future as a developer—offering you a more flexible and scalable system for efficient project building. The effort you invest in learning closures today will yield exponential benefits throughout your engineering career.

The Building Blocks of Modern Programming

Closures are a foundation for various programming concepts, acting as pillars for:

  • Efficient code practices like memoize and once for cleaner code.
  • Patterns such as Node's module pattern (CommonJS pattern).
  • Functional programming techniques including partial application, currying, and monads.
  • Managing asynchronous tasks using JavaScript's callback pattern.

Effective Learning Methods

So how do I study all this? Unlike traditional learning that often leaves students dazed, our course involves active participation. We've crafted our course to address complex concepts through visualizations, helping you to mentally map and understand every line of code.

Experience hundreds of workshops where concepts are made intuitive and approachable. By visualizing and constructing a well-grounded mental model of closures, even those with ten years of experience can consolidate all their daily-used ideas.

For new programmers, this course lays the groundwork for mastering JavaScript, React, and Node, while also preparing you for popular coding interviews where "What are Closures?" may be asked to assess your language comprehension.

Course Format and Learning Outcomes

We use an interactive, Socratic method—guiding you through the process as you learn alongside four other developers. This approach involves code walkthroughs, addressing real-time questions, and solving problems together.

By the end of this course, you will:

  • Possess a mature understanding of JavaScript.
  • Enhance your technical communication skills.
  • Acquire professional techniques for crafting more understandable code.

About the Author: codesmith.io

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Codesmith's Software Engineering Immersive programs are most successful when they push students to encounter the same technical challenges faced by some of the most significant companies in the country including Google, LinkedIn and Uber. The Codesmith Advisory Board members provide this ongoing insight and mentorship to ensure our coding bootcamp residents face these challenges and are always pushed to work on groundbreaking technology.

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#1: Course overview + introduction
All Course Lessons (26)
#Lesson TitleDurationAccess
1
Course overview + introduction Demo
01:43
2
Introduction to Closure
02:38
3
Principles of JavaScript
10:46
4
Functions can have multiple lables
14:15
5
Q & A
08:45
6
Closure - persisting state
03:44
7
Returning a function from a function
11:36
8
Q&A
08:53
9
Introduction to scope
03:12
10
The call stack
13:50
11
Closure, functions with permanent memories & the Backpack
20:22
12
Understanding the [[scope]] property
08:27
13
Closure terminology - Closed over variable environment
08:51
14
Q&A
13:06
15
Closure Summary
03:22
16
Closure - Multiple closures (individual backpacks)
15:10
17
Q&A
12:19
18
Conclusion - Using closure in professional engineering environment
11:23
19
Introduction to Closure Advanced Problem Sets
03:42
20
Using Closure to create a Once function
25:24
21
Rebuilding and diagraming the Once function in Javascript
19:38
22
Q&A - Rebuilding the Once function
06:59
23
Using Closure to create a Memoize function
29:02
24
Q&A - Using Closure to create a Memoize function
03:33
25
Using Closure in the Module Pattern
26:04
26
Interview: Olivier De Meulder
28:47
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