You-Dont-Know-JS

You Don’t Know JS: Scope & Closures

Table of Contents

• Foreword
• Preface
• Chapter 1: What is Scope?
  • Compiler Theory
  • Understanding Scope
  • Nested Scope
  • Errors
• Chapter 2: Lexical Scope
  • Lex-time
  • Cheating Lexical
• Chapter 3: Function vs. Block Scope
  • Scope From Functions
  • Hiding In Plain Scope
  • Functions As Scopes
  • Blocks As Scopes
• Chapter 4: Hoisting
  • Chicken Or The Egg?
  • The Compiler Strikes Again
  • Functions First
• Chapter 5: Scope Closures
  • Enlightenment
  • Nitty Gritty
  • Now I Can See
  • Loops + Closure
  • Modules
• Appendix A: Dynamic Scope
• Appendix B: Polyfilling Block Scope
• Appendix C: Lexical-this
• Appendix D: Acknowledgments

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