by David Flanagan
Activate Your Web Pages
SIXTH EDITION
 |
| JavaScript The Definitive Guide 6th Edition |
Many people have helped me with the creation of this book. I’d like to thank my editor,
Mike Loukides, for trying to keep me on schedule and for his insightful comments.
Thanks also to my technical reviewers: Zachary Kessin, who reviewed many of the
chapters in Part I, and Raffaele Cecco, who reviewed Chapter 19 and the <canvas>
material in Chapter 21. The production team at O’Reilly has done their usual fine job:
Dan Fauxsmith managed the production process, Teresa Elsey was the production
editor, Rob Romano drew the figures, and Ellen Troutman Zaig created the index.
In this era of effortless electronic communication, it is impossible to keep track of all
those who influence and inform us. I’d like to thank everyone who has answered my
questions on the es5, w3c, and whatwg mailing lists, and everyone who has shared their
insightful ideas about JavaScript programming online. I’m sorry I can’t list you all by
name, but it is a pleasure to work within such a vibrant community of JavaScript programmers.
Editors, reviewers, and contributors to previous editions of this book have included:
Andrew Schulman, Angelo Sirigos, Aristotle Pagaltzis, Brendan Eich, Christian
Heilmann, Dan Shafer, Dave C. Mitchell, Deb Cameron, Douglas Crockford, Dr.
Tankred Hirschmann, Dylan Schiemann, Frank Willison, Geoff Stearns, Herman Venter,
Jay Hodges, Jeff Yates, Joseph Kesselman, Ken Cooper, Larry Sullivan, Lynn Rollins,
Neil Berkman, Nick Thompson, Norris Boyd, Paula Ferguson, Peter-Paul Koch,
Philippe Le Hegaret, Richard Yaker, Sanders Kleinfeld, Scott Furman, Scott Issacs,
Shon Katzenberger, Terry Allen, Todd Ditchendorf, Vidur Apparao, and Waldemar Horwat.
This edition of the book is substantially rewritten and kept me away from my family
for many late nights. My love to them and my thanks for putting up with my absences.
— David Flanagan (davidflanagan.com), March 2011
Conventions Used in This Book
I use the following typographical conventions in this book:
Italic
Is used for emphasis and to indicate the first use of a term. Italic is also used for
email addresses, URLs and file names.
Constant width
Is used in all JavaScript code and CSS and HTML listings, and generally for anything
that you would type literally when programming.
Constant width italic
Is used for the names of function parameters, and generally as a placeholder to
indicate an item that should be replaced with an actual value in your program.
Preface
This book covers the JavaScript language and the JavaScript APIs implemented by web
browsers. I wrote it for readers with at least some prior programming experience who
want to learn JavaScript and also for programmers who already use JavaScript but want
to take their understanding to a new level and really master the language and the web
platform. My goal with this book is to document the JavaScript language and platform
comprehensively and definitively. As a result, this is a large and detailed book. My hope,
however, is that it will reward careful study, and that the time you spend reading it will
be easily recouped in the form of higher programming productivity.
This book is divided into four parts. Part I covers the JavaScript language itself.
Part II covers client-side JavaScript: the JavaScript APIs defined by HTML5 and related
standards and implemented by web browsers. Part III is the reference section for the
core language, and Part IV is the reference for client-side JavaScript. Chapter 1 includes
an outline of the chapters in Parts I and II (see §1.1).
This sixth edition of the book covers both ECMAScript 5 (the latest version of the core
language) and HTML5 (the latest version of the web platform). You’ll find
ECMAScript 5 material throughout Part I. The new material on HTML5 is mostly in
the chapters at the end of Part II, but there is also some in other chapters as well.
Completely new chapters in this edition include Chapter 11, JavaScript Subsets and
Extensions; Chapter 12, Server-Side JavaScript; Chapter 19, The jQuery Library; and
Chapter 22, HTML5 APIs.
Readers of previous editions may notice that I have completely rewritten many of the
chapters in this book for the sixth edition.
The core of Part I—the chapters covering
objects, arrays, functions, and classes—is all new and brings the book in line with
current programming styles and best practices. Similarly, key chapters of Part II, such
as those covering documents and events, have been completely rewritten to bring them up-to-date.
A Note About Piracy
_______________________________________
If you are reading a digital version of this book that you (or your employer) did not pay
for (or borrow from someone who did) then you probably have an illegally pirated copy.
Writing the sixth edition of this book was a full-time job, and it took more than a year.
The only way I get paid for that time is when readers actually buy the book. And the
only way I can afford to work on a seventh edition is if I get paid for the sixth.
I do not condone piracy, but if you have a pirated copy, go ahead and read a couple of
chapters. I think that you’ll find that this is a valuable source of information about
JavaScript, better organized and of higher quality than what you can find freely (and
legally) available on the Web. If you agree that this is a valuable source of information,
then please pay for that value by purchasing a legal copy (either digital or print) of the
book. On the other hand, if you find that this book is no more valuable than the free
information on the web, then please discard your pirated copy and use those free
information sources.
________________________________________________
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Product details
Price
|
||
|---|---|---|
File Size
| 13,498 KB | |
Pages
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1098 p | |
File Type
|
PDF format | |
ISBN
| 978-0-596-80552-4 | |
Copyright
| 2011 David Flanagan |
Table of Contents
Preface . . . . . . . . . xiii
1. Introduction to JavaScript
1.1 Core JavaScript 4
1.2 Client-Side JavaScript 8
Part I. Core JavaScript
2. Lexical Structure
2.1 Character Set 21
2.2 Comments 23
2.3 Literals 23
2.4 Identifiers and Reserved Words 23
2.5 Optional Semicolons 25
3. Types, Values, and Variables
3.1 Numbers 31
3.2 Text 36
3.3 Boolean Values 40
3.4 null and undefined 41
3.5 The Global Object 42
3.6 Wrapper Objects 43
3.7 Immutable Primitive Values and Mutable Object References 44
3.8 Type Conversions 45
3.9 Variable Declaration 52
3.10 Variable Scope 53
4. Expressions and Operators
4.1 Primary Expressions 57
4.2 Object and Array Initializers 58
4.3 Function Definition Expressions 59
4.4 Property Access Expressions 60
4.5 Invocation Expressions 61
4.6 Object Creation Expressions 61
4.7 Operator Overview 62
4.8 Arithmetic Expressions 66
4.9 Relational Expressions 71
4.10 Logical Expressions 75
4.11 Assignment Expressions 77
4.12 Evaluation Expressions 79
4.13 Miscellaneous Operators 82
5. Statements
5.1 Expression Statements 88
5.2 Compound and Empty Statements 88
5.3 Declaration Statements 89
5.4 Conditionals 92
5.5 Loops 97
5.6 Jumps 102
5.7 Miscellaneous Statements 108
5.8 Summary of JavaScript Statements 112
6. Objects
6.1 Creating Objects 116
6.2 Querying and Setting Properties 120
6.3 Deleting Properties 124
6.4 Testing Properties 125
6.5 Enumerating Properties 126
6.6 Property Getters and Setters 128
6.7 Property Attributes 131
6.8 Object Attributes 135
6.9 Serializing Objects 138
6.10 Object Methods 138
7. Arrays
7.1 Creating Arrays 141
7.2 Reading and Writing Array Elements 142
7.3 Sparse Arrays 144
7.4 Array Length 144
7.5 Adding and Deleting Array Elements 145
7.6 Iterating Arrays 146
7.7 Multidimensional Arrays 148
7.8 Array Methods 148
7.9 ECMAScript 5 Array Methods 153
7.10 Array Type 157
7.11 Array-Like Objects 158
7.12 Strings As Arrays 160
8. Functions
8.1 Defining Functions 164
8.2 Invoking Functions 166
8.3 Function Arguments and Parameters 171
8.4 Functions As Values 176
8.5 Functions As Namespaces 178
8.6 Closures 180
8.7 Function Properties, Methods, and Constructor 186
8.8 Functional Programming 191
9. Classes and Modules
9.1 Classes and Prototypes 200
9.2 Classes and Constructors 201
9.3 Java-Style Classes in JavaScript 205
9.4 Augmenting Classes 208
9.5 Classes and Types 209
9.6 Object-Oriented Techniques in JavaScript 215
9.7 Subclasses 228
9.8 Classes in ECMAScript 5 238
9.9 Modules 246
10. Pattern Matching with Regular Expressions
10.1 Defining Regular Expressions 251
10.2 String Methods for Pattern Matching 259
10.3 The RegExp Object 261
11. JavaScript Subsets and Extensions
11.1 JavaScript Subsets 266
11.2 Constants and Scoped Variables 269
11.3 Destructuring Assignment 271
11.4 Iteration 274
11.5 Shorthand Functions 282
11.6 Multiple Catch Clauses 283
11.7 E4X: ECMAScript for XML 283
12. Server-Side JavaScript
12.1 Scripting Java with Rhino 289
12.2 Asynchronous I/O with Node 296
Part II. Client-Side JavaScript
13. JavaScript in Web Browsers
13.1 Client-Side JavaScript 307
13.2 Embedding JavaScript in HTML 311
13.3 Execution of JavaScript Programs 317
13.4 Compatibility and Interoperability 325
13.5 Accessibility 332
13.6 Security 332
13.7 Client-Side Frameworks 338
14. The Window Object
14.1 Timers 341
14.2 Browser Location and Navigation 343
14.3 Browsing History 345
14.4 Browser and Screen Information 346
14.5 Dialog Boxes 348
14.6 Error Handling 351
14.7 Document Elements As Window Properties 351
14.8 Multiple Windows and Frames 353
15. Scripting Documents
15.1 Overview of the DOM 361
15.2 Selecting Document Elements 364
15.3 Document Structure and Traversal 371
15.4 Attributes 375
15.5 Element Content 378
15.6 Creating, Inserting, and Deleting Nodes 382
15.7 Example: Generating a Table of Contents 387
15.8 Document and Element Geometry and Scrolling 389
15.9 HTML Forms 396
15.10 Other Document Features 405
16. Scripting CSS
16.1 Overview of CSS 414
16.2 Important CSS Properties 419
16.3 Scripting Inline Styles 431
16.4 Querying Computed Styles 435
16.5 Scripting CSS Classes 437
16.6 Scripting Stylesheets 440
17. Handling Events
17.1 Types of Events 447
17.2 Registering Event Handlers 456
17.3 Event Handler Invocation 460
17.4 Document Load Events 465
17.5 Mouse Events 467
17.6 Mousewheel Events 471
17.7 Drag and Drop Events 474
17.8 Text Events 481
17.9 Keyboard Events 484
18. Scripted HTTP
18.1 Using XMLHttpRequest 494
18.2 HTTP by <script>: JSONP 513
18.3 Comet with Server-Sent Events 515
19. The jQuery Library
19.1 jQuery Basics 524
19.2 jQuery Getters and Setters 531
19.3 Altering Document Structure 537
19.4 Handling Events with jQuery 540
19.5 Animated Effects 551
19.6 Ajax with jQuery 558
19.7 Utility Functions 571
19.8 jQuery Selectors and Selection Methods 574
19.9 Extending jQuery with Plug-ins 582
19.10 The jQuery UI Library 585
20. Client-Side Storage
20.1 localStorage and sessionStorage 589
20.2 Cookies 593
20.3 IE userData Persistence 599
20.4 Application Storage and Offline Webapps 601
21. Scripted Media and Graphics
21.1 Scripting Images 613
21.2 Scripting Audio and Video 615
21.3 SVG: Scalable Vector Graphics 622
21.4 Graphics in a <canvas> 630
22. HTML5 APIs
22.1 Geolocation 668
22.2 History Management 671
22.3 Cross-Origin Messaging 676
22.4 Web Workers 680
22.5 Typed Arrays and ArrayBuffers 687
22.6 Blobs 691
22.7 The Filesystem API 700
22.8 Client-Side Databases 705
22.9 Web Sockets 712
Part III. Core JavaScript Reference
Core JavaScript Reference . . .. 719
Part IV. Client-Side JavaScript Reference
Client-Side JavaScript Reference . . . . . 859
Index . . . . . . . 1019
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