JavaScript Web应用深度解析

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"JavaScriptWebApplications" 本书《JavaScript Web Applications》由Alex MacCaw撰写，主要探讨了使用JavaScript构建Web应用程序的各个方面。JavaScript作为客户端编程语言，对于创建动态、交互式的Web应用至关重要。这本书可能涵盖了从基础概念到高级技术，包括DOM操作、事件处理、AJAX异步通信、框架应用（如jQuery或React）、以及Web存储和API的使用。在描述中，作者可能详细讲解了如何利用JavaScript提高用户体验，创建响应式设计，并实现页面与服务器之间的无缝数据交换。此外，书中可能还讨论了关于性能优化、代码组织和模块化的方法，这些都是开发大型、复杂Web应用时需要考虑的关键点。标签"javascript"表明内容专注于JavaScript语言本身，涵盖了语法、函数、对象、闭包等核心概念，也可能涉及到ES6及后续版本的新特性，如箭头函数、类、模板字符串等。部分内容提及了出版商O'Reilly Media，它是一家知名的科技图书出版商，其书籍以深入浅出的风格和技术权威性著称。该书的编辑团队、生产编辑、校对者和索引员都是出版行业的专业人士，确保了书籍的质量和准确性。此外，封面设计和内页设计也是O'Reilly标志性的风格，通常包含一个动物插图，这本书中提到的是长耳猫头鹰，这可能代表了开发者在Web开发领域的洞察力和智慧。书的印刷历史显示，第一版在2011年8月发布，意味着内容可能反映了当时的JavaScript最佳实践和技术趋势。《JavaScript Web Applications》是一本面向Web开发者的技术书籍，全面介绍了使用JavaScript构建现代Web应用所需的技术和策略，对于想要提升JavaScript技能或者深入理解Web开发的读者来说，是一份宝贵的参考资料。

Chapter 12

Backbone is an extremely popular library for building JavaScript applications, and

this chapter will give you a thorough introduction. We’ll take you through the core

concepts and classes of Backbone, such as models, collections, controllers, and

views. Next, we’ll explore syncing model data with the server using RESTful JSON

queries and how to respond to Backbone appropriately server side. Finally, we’ll

build an example to-do list application that will demonstrate much of the library.

Chapter 13

This chapter explores the JavaScriptMVC library, a popular jQuery-based

framework for building JavaScript web applications. You’ll learn all the basics of

JavaScriptMVC, such as classes, models, and controllers, as well as using client-

side templates to render views. The chapter ends with a practical CRUD list ex-

ample, demonstrating how easy it is to create abstract, reusable, memory-safe

widgets with JavaScriptMVC.

Appendix A

This appendix provides a brief introduction to jQuery, which is useful if you feel

you need to brush up on the library. Most of the book’s examples use jQuery, so

it’s important to be familiar with it. We’ll cover most of the core API, such as

traversing the DOM, manipulating the DOM, and event binding, triggering, and

delegating. Next, we’ll approach jQuery’s Ajax API, making GET and POST JSON

requests. We’ll then cover jQuery extensions and how to use encapsulation to

ensure you’re being a good web citizen. Finally, we’ll take a look at a practical

example: creating a Growl jQuery plug-in.

Appendix B

Appendix B covers Less, a superset of CSS that extends its syntax with variables,

mixins, operations, and nested rules. Less can really reduce the amount of CSS you

need to write—especially when it comes to CSS3 vendor–specific rules. This ap-

pendix covers Less’s major syntax enhancements and how to use the command

line’s tools and JavaScript library to compile Less files down to CSS.

Appendix C

The last appendix is a CSS3 reference. It provides a bit of background on CSS3,

explains vendor prefixes, and then takes you through the major additions to the

specification. Among other CSS3 features, this appendix covers rounded corners,

rgba colors, drop shadows, gradients, transitions, and transformations. It ends with

a discussion about graceful degradation using Modernizr and a practical example

of using the new box-sizing specification.

xiv | Preface

and blossoming trees, and some even on remote Cambodian islands. In short, I had a

great time writing this, and I hope reading it gives you just as much pleasure.

Some people deserve their share of the blame. Thanks go to Stuart Eccles, Tim Malbon,

Ben Griffins, and Sean O’Halpin for giving me the chances and opportunity to find my

passion; and to James Adam, Paul Battley, and Jonah Fox for mentoring and putting

up with my asininities.

Thanks also to the technical reviewers, who really helped shape the book: Henrik Jor-

eteg, Justin Meyer, Lea Verou, Addy Osmani, Alex Barbara, Max Williams, and Julio

Cesar Ody.

Most importantly, thanks to my parents for their unwavering support.

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xviii | Preface

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