Async JavaScript

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Last updated on 2012-06-18

About the Book

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Async JavaScript is now a PragProg book! The PragProg edition is revised, updated, and better than ever. You can find it at http://pragprog.com/book/tbajs/async-javascript.

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Trevor Burnham

Trevor is a web developer and tech evangelist at HubSpot in Cambridge, MA. His first book, CoffeeScript: Accelerated JavaScript Development, was published by PragProg.

Praise for Async JavaScript
Dedication
Acknowledgments
Preface
Who is this book for?
Code style in this book
A word on “altJS”
1 The JavaScript Event Model
1.1 Now or later
1.2 When is a function async?
1.3 Async primitives
1.4 Nested callbacks
1.5 Exceptions in callbacks
1.6 Tools for taming JavaScript
2 Distributed Events
2.1 PubSub
2.2 Evented models
2.3 Custom jQuery events
2.4 Piping events with LucidJS
3 Promises and Deferreds
3.1 A very brief history of Promises
3.2 Making Promises
3.3 Passing arguments to callbacks
3.4 Progress notifications
3.5 Animation Promises
3.6 Combining Promises with when
3.7 Binding to the future with pipe
3.8 jQuery vs. Promises/A
3.9 Replacing callbacks with Promises
4 Flow Control with Async.js
4.1 The async ordering problem
4.2 Async collection methods
4.3 Chaining async functions
4.4 Parallelizing async functions
4.5 Dynamic async queueing
4.6 On autopilot
4.7 Minimalist flow control with Step
4.8 Other flow control libraries
5 Multi-threading with Workers
5.1 Web Workers
5.2 Node Workers with cluster
6 Async Problems and Solutions
6.1 Problem: Where’d this go?
6.2 Problem: Retrying async tasks
6.3 Problem: Testing async code
6.4 Problem: Aggregating events
6.5 Problem: Handling requests
6.6 Problem: Ajax spaghetti

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