You Don t Know JS Yet Scope Closures 2nd Edition by Kyle Simpson, Simon Laurent, Sarah Drasner ISBN 979-8621536459 8621536459

You Don t Know JS Yet Scope Closures 2nd Edition by Kyle Simpson,  Simon St.Laurent, Sarah Drasner  – Ebook PDF Instant Download/Delivery: 979-8621536459,  8621536459 
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Product details: 

ISBN 10:   8621536459 

ISBN 13: 979-8621536459

Author: Kyle Simpson,  Simon St.Laurent, Sarah Drasner 

Are you looking for a better way to deeply learn the fundamentals of JavaScript? Look no further!The foundation of all programs is the organization of its variables and functions into different nested scopes. Yet, most developers haven’t deeply contemplated how and why these decisions are made and the impacts on code maintainability.The worldwide best selling “You Don’t Know JS” book series is back for a 2nd edition: “You Don’t Know JS Yet”. All 6 books are brand new, rewritten to cover all sides of JS for 2020 and beyond.”Scope & Closures” examines all aspects of lexical scope, then builds on these principles to leverage the power of closure, and finally digs into the module pattern for better program structure.

Table of contents: 

Chapter 1: What’s the Scope?
About This Book
Compiled vs. Interpreted
Compiling Code
Compiler Speak
Cheating: Runtime Scope Modifications
Lexical Scope
Chapter 2: Illustrating Lexical Scope
Marbles, and Buckets, and Bubbles… Oh My!
A Conversation Among Friends
Nested Scope
Continue the Conversation
Chapter 3: The Scope Chain
“Lookup” Is (Mostly) Conceptual
Shadowing
Function Name Scope
Arrow Functions
Backing Out
Chapter 4: Around the Global Scope
Why Global Scope?
Where Exactly is this Global Scope?
Global This
Globally Aware
Chapter 5: The (Not So) Secret Lifecycle of Variables
When Can I Use a Variable?
Hoisting: Yet Another Metaphor
Re-declaration?
Uninitialized Variables (aka, TDZ)
Finally Initialized
Chapter 6: Limiting Scope Exposure
Least Exposure
Hiding in Plain (Function) Scope
Scoping with Blocks
Function Declarations in Blocks (FiB)
Blocked Over
Chapter 7: Using Closures
See the Closure
The Closure Lifecycle and Garbage Collection (GC)
An Alternative Perspective
Why Closure?
Closer to Closure
Chapter 8: The Module Pattern
Encapsulation and Least Exposure (POLE)
What Is a Module?
Node CommonJS Modules
Modern ES Modules (ESM)
Exit Scope
Appendix A: Exploring Further
Implied Scopes
Anonymous vs. Named Functions
Hoisting: Functions and Variables
The Case for var
What’s the Deal with TDZ?
Are Synchronous Callbacks Still Closures?
Classic Module Variations
Appendix B: Practice
Buckets of Marbles
Closure (PART 1)
Closure (PART 2)
Closure (PART 3)
Modules
Suggested Solutions

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Tags: Kyle Simpson, Simon St.Laurent, Sarah Drasner, You Don t Know, Scope Closures