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出版者:Pragmatic Bookshelf

作者:Trevor Burnham

出品人:

页数:104

译者:

出版时间:2012-12-8

价格:USD 17.00

装帧:Paperback

isbn号码:9781937785277

丛书系列:

图书标签:

编程
计算机
async
Web开发
Frontend
计算机科学
原版/影印
nodejs
JavaScript
Async
Promise
Await
Event Loop
Concurrency
Node
js
Browser
Web Development
Performance
Scalability

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具体描述

With Async JavaScript, you’ll develop a deeper understanding of the JavaScript language. You’ll start with a ground-up primer on the JavaScript event model—key to avoiding many of the most common mistakes JavaScripters make. From there you’ll see tools and design patterns for turning that conceptual understanding into practical code.

The concepts in the book are illustrated with runnable examples drawn from both the browser and the Node.js server framework, incorporating complementary libraries including jQuery, Backbone.js, and Async.js. You’ll learn how to create dynamic web pages and highly concurrent servers by mastering the art of distributing events to where they need to be handled, rather than nesting callbacks within callbacks within callbacks.

Async JavaScript will get you up and running with real web development quickly. By the time you’ve finished the Promises chapter, you’ll be parallelizing Ajax requests or running animations in sequence. By the end of the book, you’ll even know how to leverage Web Workers and AMD for JavaScript applications with cutting-edge performance. Most importantly, you’ll have the knowledge you need to write async code with confidence.

What You Need:

Basic knowledge of JavaScript is recommended. If you feel that you’re not up to speed, see the “Resources for Learning JavaScript” section in the preface.

作者简介

Trevor Burnham is a JavaScript developer for HubSpot in Cambridge, MA. He speaks at conferences including RailsConf, Øredev, and FluentConf. His first book, CoffeeScript: Accelerated JavaScript Development, was published by Pragmatic Bookshelf. You can follow him on Twitter at @TrevorBurnham.

目录信息

Contents and Extracts
Acknowledgments
Introduction
Trouble in Paradise
Who Is This Book For?
Resources for Learning JavaScript
Where to Turn for Help?
Running the Code Examples
Code Style in This Book
A Word on altJS
Resources for This Book
Understanding JavaScript Events
Scheduling Events
Types of Async Functions
Writing Async Functions
Handling Async Errors
Un-nesting Callbacks
What We’ve Learned
Distributing Events
PubSub
Evented Models
Custom jQuery Events
What We’ve Learned
Promises and Deferreds excerpt
A Very Brief History of Promises
Making Promises
Passing Data to Callbacks
Progress Notifications
Combining Promises
Binding to the Future with pipe
jQuery vs. Promises/A
Replacing Callbacks with Promises
What We’ve Learned
Flow Control with Async.js
The Async Ordering Problem
Async Collection Methods
Organizing Tasks with Async.js
Dynamic Async Queuing
Minimalist Flow Control with Step
What We’ve Learned
Multithreading with Workers excerpt
Web Workers
Node Workers with cluster
What We’ve Learned
Async Script Loading
Limitations and Caveats
Reintroducing the <script> Tag
Programmatic Loading
What We’ve Learned
Tools for Taming JavaScript
TameJS
StratifiedJS
Kaffeine
Streamline.js
Node-Fibers
The Future of JavaScript: Generators
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