You-Dont-Know-JS

You Don’t Know JS: Async & Performance

Table of Contents

• Foreword
• Preface
• Chapter 1: Asynchrony: Now & Later
  • A Program In Chunks
  • Event Loop
  • Parallel Threading
  • Concurrency
  • Jobs
  • Statement Ordering
• Chapter 2: Callbacks
  • Continuations
  • Sequential Brain
  • Trust Issues
  • Trying To Save Callbacks
• Chapter 3: Promises
  • What is a Promise?
  • Thenable Duck-Typing
  • Promise Trust
  • Chain Flow
  • Error Handling
  • Promise Patterns
  • Promise API Recap
  • Promise Limitations
• Chapter 4: Generators
  • Breaking Run-to-completion
  • Generator’ing Values
  • Iterating Generators Asynchronously
  • Generators + Promises
  • Generator Delegation
  • Generator Concurrency
  • Thunks
  • Pre-ES6 Generators
• Chapter 5: Program Performance
  • Web Workers
  • SIMD
  • asm.js
• Chapter 6: Benchmarking & Tuning
  • Benchmarking
  • Context Is King
  • jsPerf.com
  • Writing Good Tests
  • Microperformance
  • Tail Call Optimization (TCO)
• Appendix A: asynquence Library
• Appendix B: Advanced Async Patterns
• Appendix C: Acknowledgments

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