Preface xv Chapter 1: Introduction to JavaScript 1 1.1 What JavaScript Is 1 1.2 What JavaScript Is Not 2 1.3 What JavaScript Is Used For 3 1.4 JavaScript and Its Place in a Web Page 4 1.5 What Is Ajax? 5 1.6 What JavaScript Looks Like 7 1.7 JavaScript and Its Role in Web Development 8 1.

8 JavaScript and Events 10 1.9 Standardizing JavaScript and the W3C 12 1.10 What Browser? 15 1.11 Where to Put JavaScript 20 1.12 Validating Your Markup 24 1.13 What You Should Know 26 Chapter 2: Script Setup 29 2.1 The HTML Document and JavaScript 29 2.2 Syntactical Details 33 2.

3 Generating HTML and Printing Output 37 2.4 About Debugging 40 2.5 Debugging Tools 41 2.6 JavaScript and Old or Disabled Browsers 47 2.7 What You Should Know 50 Chapter 3: The Building Blocks: Data Types, Literals, and Variables 53 3.1 Data Types 53 3.2 Variables 59 3.3 Constants 67 3.

4 Bugs to Watch For 69 3.5 What You Should Know 70 Chapter 4: Dialog Boxes 73 4.1 Interacting with the User 73 4.2 What You Should Know 80 Chapter 5: Operators 83 5.1 About JavaScript Operators and Expressions 83 5.2 Types of Operators 88 5.3 Number, String, or Boolean? Data Type Conversion 112 5.4 Special Operators 119 5.

5 What You Should Know 120 Chapter 6: Under Certain Conditions 123 6.1 Control Structures, Blocks, and Compound Statements 123 6.2 Conditionals 123 6.3 Loops 131 6.4 What You Should Know 140 Chapter 7: Functions 143 7.1 What Is a Function? 143 7.2 Debugging Techniques 166 7.3 What You Should Know 172 Chapter 8: Objects 175 8.

1 What Are Objects? 175 8.2 Classes and User-Defined Functions 182 8.3 Object Literals 187 8.4 Manipulating Objects 191 8.5 Extending Objects with Prototypes 196 8.6 What You Should Know 210 Chapter 9: JavaScript Core Objects 213 9.1 What Are Core Objects? 213 9.2 Array Objects 213 9.

3 Array Methods 227 9.4 The Date Object 234 9.5 The Math Object 241 9.6 What You Should Know 267 Chapter 10: It''s the BOM! Browser Objects 271 10.1 JavaScript and the Browser Object Model 271 10.2 What You Should Know 325 Chapter 11: Working with Forms and Input Devices 327 11.1 The Document Object Model and the Legacy DOM 0 327 11.2 The JavaScript Hierarchy 328 11.

3 About HTML Forms 334 11.4 JavaScript and the form Object 341 11.5 Programming Input Devices (Controls) 372 11.6 What You Should Know 409 Chapter 12: Working with Images (and Links) 413 12.1 Introduction to Images 413 12.2 Reviewing Links 417 12.3 Working with Imagemaps 422 12.4 Resizing an Image to Fit the Window 438 12.

5 Introduction to Slideshows 441 12.6 Animation and Timers 449 12.7 What You Should Know 452 Chapter 13: Handling Events 455 13.1 Introduction to Event Handlers 455 13.2 The Inline Model for Handling Events 455 13.3 Handling a Window or Frame Event 465 13.4 Handling Mouse Events 474 13.5 Handling Link Events 481 13.

6 Handling a Form Event 482 13.7 The event Object 499 13.8 The Scripting Model for Handling Events 517 13.9 What You Should Know 523 Chapter 14: Introduction to CSS (Cascading Style Sheets) with JavaScript 527 14.1 What Is CSS? 527 14.2 What Is a Style Sheet? 527 14.3 CSS Program Structure 530 14.4 Common Style Sheet Properties 532 14.

5 Types of Style Sheets 550 14.6 The External Type with a Link 555 14.7 Creating a Style Class 558 14.8 The ID Selector and the ID Attribute 564 14.9 Overriding or Adding a Style with the Tag 566 14.10 Positioning Elements and Layers 572 14.11 Where Does JavaScript Fit In? 585 14.12 What You Should Know 609 Chapter 15: The W3C DOM and JavaScript 611 15.

1 The W3C DOM 611 15.2 How the DOM Works with Nodes 612 15.3 Nodes 613 15.4 Walking with the DOM 618 15.5 DOM Inspectors 621 15.6 Methods to Shorten the DOM Walk 622 15.7 Modifying the DOM (Appending, Copying, and Removing Nodes) 629 15.8 Event Handling and the DOM 661 15.

9 Event Listeners with the W3C Model 668 15.10 Unobtrusive JavaScript 682 15.11 What You Should Know 690 Chapter 16: Cookies 695 16.1 What Are Cookies? 695 16.2 Creating a Cookie with JavaScript 701 16.3 What You Should Know 714 Chapter 17: Regular Expressions and Pattern Matching 717 17.1 What Is a Regular Expression? 717 17.2 Creating a Regular Expression 719 17.

3 String Methods Using Regular Expressions 727 17.4 Getting Control-The Metacharacters 733 17.5 Form Validation with Regular Expressions 765 17.6 What You Should Know 795 Chapter 18: An Introduction to Ajax (with JSON) 797 18.1 Why Ajax? 797 18.2 Why Is Ajax Covered Last? 798 18.3 The Steps for Creating Ajax Communication 799 18.4 Putting It All Together 812 18.

5 Ajax and JSON 834 18.6 Debugging Ajax with Firebug 848 Index 855.