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出版者:CreateSpace

作者:Trevor Burnham

出品人:

頁數:86

译者:

出版時間:2012-4-26

價格:USD 15.99

裝幀:Paperback

isbn號碼:9781475247367

叢書系列:

圖書標籤:

JavaScript
異步
javascript
Programming
前端開發
前端
web開發
編程
JavaScript
Async
Promise
Await
Event Loop
Concurrency
Node
js
Browser
Web Development
Performance
Scalability

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具體描述

"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.

著者簡介

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

圖書目錄

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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