You Don’t Know JS: Async & Performance Front Cover

You Don’t Know JS: Async & Performance

  • Length: 296 pages
  • Edition: 1
  • Publisher:
  • Publication Date: 2015-03-09
  • ISBN-10: 1491904224
  • ISBN-13: 9781491904220
  • Sales Rank: #155775 (See Top 100 Books)

No matter how much experience you have with JavaScript, odds are you don’t fully understand the language. As part of the “You Don’t Know JS” series, this concise yet in-depth guide focuses on new asynchronous features and performance techniques—including Promises, generators, and Web Workers—that let you create sophisticated single-page web applications and escape callback hell in the process.

Like other books in this series, You Don’t Know JS: Async & Performance dives into trickier parts of the language that many JavaScript programmers simply avoid. Armed with this knowledge, you can become a true JavaScript master.

With this book you will:

  • Explore old and new JavaScript methods for handling asynchronous programming
  • Understand how callbacks let third parties control your program’s execution
  • Address the “inversion of control” issue with JavaScript Promises
  • Use generators to express async flow in a sequential, synchronous-looking fashion
  • Tackle program-level performance with Web Workers, SIMD, and asm.js
  • Learn valuable resources and techniques for benchmarking and tuning your expressions and statements

Table of Contents

Chapter 01: Asynchrony: Now & Later
Chapter 02: Callbacks
Chapter 03: Promises
Chapter 04: Generators
Chapter 05: Program Performance
Chapter 06: Benchmarking & Tuning
Appendix A: `asynquence` Library
Appendix B: Advanced Async Patterns
Appendix C: Acknowledgments

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