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

About the Author

Kyle Simpson is an Open Web Evangelist from Austin, TX. He's passionate about JavaScript, HTML5, real-time/peer-to-peer communications, and web performance. Otherwise, he's probably bored by it. Kyle is an author, workshop trainer, tech speaker, and avid OSS community member.

"About this title" may belong to another edition of this title.

Store Description

In 2002, World of Books Group was founded on an ethos to do good, protect the planet and support charities by enabling more goods to be reused. Since then, we've grown into to a global company pioneering the circular economy. Today, we drive the circular economy through three re-commerce brands: - Wob: Through Wob, we sell. We provide affordable, preloved books and media to customers all over the world. A book leaves our collection of over seven million titles and begins a new chapter every two seconds, enabling more goods to be reused. - Ziffit: Through Ziffit, we buy. We give people around the world the opportunity to contribute to the circular economy, earn money and protect the planet, by trading their unwanted books and media. - Shopiago: Through Shopiago, we help others. By sharing the technology that has grown World of Books Group into the business it is today, we?re helping charities increase revenue and reduce waste through re-commerce.

Visit Seller's Storefront

Seller's business information

World of Books Ltd
Mulberry House, Woods Way Trading Estate, Goring-By-Sea, BN12 4QY, United Kingdom

Sale & Shipping Terms

Terms of Sale

WorldofBooks.com fully embraces the AbeBooks terms and conditions and we will do
what we can to resolve any issues.

Shipping Terms

Orders ship within 2 business days. Shipping costs are based on books weighing 2.2 LB, or 1 KG. If your book order is heavy or oversized, we may contact you to let you know extra shipping is required.

Shipping rates from United Kingdom to U.S.A.

Shipping rates from United Kingdom to U.S.A.
Order quantity	7 to 12 business days	5 to 9 business days
First item	US$ 7.52	US$ 16.12

Delivery times are set by sellers and vary by carrier and location. Orders passing through Customs may face delays and buyers are responsible for any associated duties or fees. Sellers may contact you regarding additional charges to cover any increased costs to ship your items.