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出版者:CreateSpace

作者:Trevor Burnham

出品人:

页数:86

译者:

出版时间:2012-4-26

价格:USD 15.99

装帧:Paperback

isbn号码:9781475247367

丛书系列:

图书标签:

JavaScript
异步
javascript
Programming
前端开发
前端
web开发
编程
JavaScript
Async
Promise
Await
Event Loop
Concurrency
Node
js
Browser
Web Development
Performance
Scalability

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具体描述

"Async JavaScript is the first full book I've seen dedicated to a key topic in JavaScript development today: how to deal with concurrency and concurrent tasks without going crazy! For the sake of your sanity, check this out."

—Peter Cooper, creator of JavaScript Weekly

JavaScript is a single-threaded language living in a multimedia, multi-tasking, multi-core world. Even experienced JavaScripters sometimes find themselves overwhelmed as complex apps grow into a tangled web of callbacks.

With Async JavaScript, you'll learn about:

•Event scheduling

•The PubSub pattern

•Promises and Deferred objects

•Flow control with Async.js

•Recipes for common async scenarios

•Multi-threading with Web Workers

•AltJS languages

and more, with examples tailored to jQuery and Node.js.

作者简介

Trevor is a freelance web developer, author, and speaker living in Cambridge, MA. His first book, CoffeeScript: Accelerated JavaScript Development, was published by PragProg.

目录信息

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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