Learning jQuery Deferreds: Taming Callback Hell with Deferreds and Promises

by Terry Jones, Nicholas H. Tollervey

Orchestrating asynchronous function calls in JavaScript often leads to callback hell, but there is a reliable way to avoid this painful state of affairs. With this concise and simple guide, you’ll learn how to use jQuery deferreds and promises, an elegant approach for managing asynchronous calls in both client and server applications. This book contains 18 examples that use deferreds to solve progressively challenging real-world programming problems, along with 75 stimulating puzzles (and their solutions) that will help you understand how and when to use deferreds. Experienced JavaScript programmers will learn new tricks in a fun way, and become immersed in the practice of event-based programming.

132 pages, Paperback

First published December 27, 2013

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Reviews

[Scott Erickson · Rating 5 out of 5]

Good, concise book on the topic. The first section defines the basics and walks you through it, the second section is a mini-cookbook with plenty of real world examples. Well done!