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Professional
JavaScript
®
for Web Developers
2nd Edition
Nicholas C. Zakas
Wrox Programmer to Programmer
TM
Professional
JavaScript
®
for Web Developers, 2nd Edition
Enhance Your Knowledge
Advance Your Career
Professional JavaScript for Web Developers, 2nd Edition
978-0-470-22780-0
This updated bestseller offers an in-depth look at the JavaScript language,
and covers such topics as debugging tools in Microsoft Visual Studio,
FireBug, and Drosera; client-side data storage with cookies, the DOM,
and Flash; client-side graphics with JavaScript including SVG, VML, and
Canvas; and design patterns including creational, structural, and behavorial
patterns.
Professional Ajax, 2nd Edition
978-0-470-10949-6
Professional Ajax, 2nd Edition is written for Web application developers
looking to enhance the usability of their web sites and Web applications
and intermediate JavaScript developers looking to further understand
the language. This second edition is updated to cover Prototype, jQuery,
FireBug, Microsoft Fiddler, ASP.NET AJAX Extensions, and much more.
Concise Guide to Dojo
978-0-470-45202-8
Dojo has rapidly become one of the hottest JavaScript based Web
development frameworks. It provides you with the power and flexibility to
create attractive and useful dynamic Web applications quickly and easily.
In this fast-paced, code-intensive guide, you’ll discover how to quickly start
taking advantage of Dojo. The pages are packed with useful information
and insightful examples that will help you.
Beginning JavaScript and CSS Development with jQuery
978-0-470-22779-4
Beginning JavaScript and CSS Development with jQuery presents the
world of dynamic Web applications to Web developers from the standpoint
of modern standards. The author shows new JavaScript developers how
working with the standard jQuery library will help them to do more with less
code and fewer errors.
Beginning JavaScript, 3rd Edition
978-0-470-05151-1
This book aims to teach you all you need to know to start experimenting with JavaScript: what it is, how it works, and what you
can do with it. Starting from the basic syntax, you'll move on to learn how to create powerful Web applications.
Beginning CSS, 2nd Edition
978-0-470-17708-2
Updated and revised, this book offers a hands-on look at designing standards-based, large-scale, professional-level CSS Web
sites. Understand designers’ processes from start to finish and gain insight into how designers overcome a site’s unique set of
challenges and obstacles. Become comfortable with solving common problems, learn the best practices for using XHMTL with
CSS, orchestrate a new look for a blog, tackle browser-compatibility issues, and develop functional navigational structures.
Professional JavaScript
®
for Web Developers
Introduction xxix
Chapter 1: What Is JavaScript? 1
Chapter 2: JavaScript in HTML 13
Chapter 3: Language Basics 23
Chapter 4: Variables, Scope, and Memory 79
Chapter 5: Reference Types 97
Chapter 6: Object-Oriented Programming 151
Chapter 7: Anonymous Functions 183
Chapter 8: The Browser Object Model 201
Chapter 9: Client Detection 229
Chapter 10: The Document Object Model 261
Chapter 11: DOM Levels 2 and 3 317
Chapter 12: Events 365
Chapter 13: Scripting Forms 433
Chapter 14: Error Handling and Debugging 465
Chapter 15: XML in JavaScript 515
Chapter 16: ECMAScript for XML 547
Chapter 17: Ajax and JSON 567
Chapter 18: Advanced Techniques 589
Chapter 19: Client-Side Storage 617
Chapter 20: Best Practices 635
Chapter 21: Upcoming APIs 669
Chapter 22: The Evolution of JavaScript 703
Appendix A: JavaScript Libraries 759
Appendix B: JavaScript Tools 765
Index 773
Professional
JavaScript
®
for Web Developers
2nd Edition
Professional
JavaScript
®
for Web Developers
2nd Edition
Nicholas C. Zakas
Wiley Publishing, Inc.
Professional JavaScript
®
for Web Developers, 2nd Edition
Published by
Wiley Publishing, Inc.
10475 Crosspoint Boulevard
Indianapolis, IN 46256
www.wiley.com
Copyright © 2009 by Wiley Publishing, Inc., Indianapolis, Indiana
Published simultaneously in Canada
ISBN: 978-0-470-22780-0
Manufactured in the United States of America
10 9 8 7 6 5 4 3 2 1
Library of Congress Cataloging-in-Publication Data
Zakas, Nicholas C.
Professional JavaScript for web developers/Nicholas C. Zakas. — 2nd ed.
p. cm.
Includes index.
ISBN 978-0-470-22780-0 (paper/website)
1. Web site development. 2. JavaScript (Computer program language) I. Title.
TK5105.8885.J38Z34 2008
005.2'762 — dc22
2008045552
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Dedicated to my family:
mom, dad, Greg, Yiayia, and Papou.
We may be few in numbers, but we are mighty!
Your constant love and support have made the past couple of years possible.
[...]... Detection User-Agent Detection History Working with User-Agent Detection The Complete Script Usage Summary Chapter 10: The Document Object Model Hierarchy of Nodes The The The The The The The The The Node Type Document Type Element Type Text Type Comment Type CDATASection Type DocumentType Type DocumentFragment Type Attr Type DOM Extensions 224 226 227 229 229 231 232 233 240 255 258 258 261 261 263 269 279... window, document, location, navigator, and screen Chapter 9, Client Detection — Explains various approaches to detecting the client machine and its capabilities Different techniques include capability detection and user-agent string detection This chapter discusses the pros and cons as well as the situational appropriateness of each approach Chapter 10, The Document Object Model — Introduces the Document... 1: What Is JavaScript? A Short History JavaScript Implementations ECMAScript The Document Object Model (DOM) The Browser Object Model (BOM) JavaScript Versions Summary Chapter 2: JavaScript in HTML The Element Tag Placement Deferred Scripts Changes in XHTML Deprecated Syntax Inline Code versus External Files Document Modes The Element Summary Chapter 3: Language Basics Syntax Case-sensitivity... Ajax was slowly being discovered, and a new paradigm of desktop-style user interaction was emerging within the browser The DOM APIs that allowed JavaScript to manipulate the structure and content of web documents had solidified CSS, for all the contortions, omissions, and the willful insanity of its implementations by browser vendors, had progressed far enough that beauty and responsiveness could be combined... was suddenly interesting all over again JavaScript, as the only programming language of the Web, became more interesting, too Interesting, but hard to do well JavaScript and its companion APIs in the Document Object Model (DOM) and Browser Object Model (BOM) were inconsistently implemented, making cross-browser implementations vastly more difficult than they needed to be The profession of front-end... JavaScript originated and evolved into what it is today A detailed discussion of the components that make up a JavaScript implementation follows, with specific focus on standards such as ECMAScript and the Document Object Model (DOM) The differences in JavaScript implementations used in different popular web browsers are also discussed Building on that base, the book moves on to cover basic concepts of JavaScript,... 1, What Is JavaScript? — Explains the origins of JavaScript: where it came from, how it evolved, and what it is today Concepts introduced include the relationship between JavaScript and ECMAScript, the Document Object Model (DOM), and the Browser Object Model (BOM) A discussion of the relevant standards from the European Computer Manufacturer ’s Association (ECMA) and the World Wide Web Consortium (W3C)... 21: Upcoming APIs The Selectors API The querySelector() Method The querySelectorAll() Method Support and the Future HTML 5 Character Set Properties Class-Related Additions Custom Data Attributes Cross-Document Messaging Media Elements The Element Offline Support Changes to History Database Storage Drag-and-Drop The WebSocket Type The Future of HTML 5 Summary Chapter 22: The Evolution of JavaScript .
Professional
JavaScript
®
for Web Developers, 2nd Edition
Enhance Your Knowledge
Advance Your Career
Professional JavaScript for Web Developers, 2nd Edition
978-0-470-22780-0
This. Developers
2nd Edition
Professional
JavaScript
®
for Web Developers
2nd Edition
Nicholas C. Zakas
Wiley Publishing, Inc.
Professional JavaScript
®
for Web Developers,
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