JavaScript 24-Hour Trainer

Preface xix

Part I: Introduction to JavaScript

Lesson 1: Adding JavaScript to a Web Page 3

Lesson 2: Variables and JavaScript Syntax 9

Lesson 3: Functions 25

Lesson 4: Making Decisions 35

Lesson 5: Loops 49

Lesson 6: Scope 57

Lesson 7: Objects and Built-In Types 65

Lesson 8: Custom Objects 83

Lesson 9: Prototypes and Inheritance (The Function Object) 91

Part II: Programming the Browser

Lesson 10: The window Object 101

Lesson 11: Scripting Windows 109

Lesson 12: Scripting Frames 121

Lesson 13: The Document Object Model 129

Lesson 14: Adding HT ML with JavaScript 137

Lesson 15: Modifying Element Style 147

Lesson 16: Introduction to Events 155

Lesson 17: Assigning Event Handlers with HT ML Attributes 161

Lesson 18: Using Early DO M Event Handlers 173

Lesson 19: Using Standard DO M and IE Event Handlers 185

Lesson 20: Writing Cross-Browser Event Handlers 195

Lesson 21: The Standard Event Object 205

Lesson 22: Internet Explorer’s Event Object 217

Lesson 23: Writing Cross-Browser Event Code 225

Lesson 24: Dragging and Dropping 235

Lesson 25: Tim ers and Anim ating Elements 249

Lesson 26: Forms — A Primer 261

Lesson 27: Scripting Buttons 267

Lesson 28: Scripting Text Elements 273

Lesson 29: Scripting Selection Boxes 283

Lesson 30: Scripting Checkboxes and Radio Buttons 295

Lesson 31: An Introduction to Aj ax 305

Lesson 33: Making Ajax Requests Using GET 321

Lesson 34: Making Aj ax Requests Using POST 329

Lesson 35: JSON 339

Part III: Handling Errors, Debugging, and Best Practices

Lesson 36: Common Coding Mistakes 353

Lesson 37: Handling Errors 357

Lesson 38: Debugging With Firebug 367

Lesson 39: Coding Guidelines 377

Lesson 40: Separating JavaScript and HT ML 381

Lesson 41: Separating JavaScript and CSS 387

Lesson 42: Avoiding Global Scope 389

Lesson 43: Optimizing Your Code 399

Appendix: What’s on the DVD ? 413

Index 417