Javascript

How This Book Is Organized

This book contains five major parts. Each part contains several chapters, and each chapter contains several sections. You can read the book from start to finish if you like, or you can dive in whenever you need help on a particular topic. (If you’re brand-new to JavaScript, however, skimming through Part I first sure couldn’t hurt.) Here’s a breakdown of what you can find in each of the five parts.

Part I: Building Killer Web Pages for Fun and Profit

This part explains how to turn JavaScript from an abstract concept to some¬thing happening on the screen in front of you. It takes you step by step through obtaining your choice of Netscape Navigator or Microsoft Internet Explorer, discovering how to access and modify the document object model, and writing and testing your first script. Part I also includes an overview of the JavaScript language itself.

Part II: Creating Dynamic Web Pages

In this part, I demonstrate practical ways to create Web pages that appear differently to different users. By the time you finish Part II, you’ll have seen sample code for such common applications as detecting your users’ browsers on-the-fly, formatting and displaying times and dates, and storing information for repeat visitors by using cookies.

Part III: Making Your Site Easy for Visitors to Navigate and Use

The chapters in Part III are devoted to helping you create Web pages that visi¬tors can interact with easily and efficiently. You find out how to use JavaScript’s event model and function declaration support to create hot buttons, clickable images, mouse rollovers, and intelligent (automatically validated) HTML forms.

Part IV: Interacting with Users

JavaScript is evolving by leaps and bounds, and Part IV keeps you up-to-date with the latest and greatest feats you can accomplish with JavaScript, including brand-new support for dynamic HTML and cascading style sheets. In this part you also find a double handful of the most popular JavaScript and DHTML effects, including pull-down menus, expandable site maps, and custom tooltips.

Part V: The Part of Tens

The concluding part pulls together tidbits from the rest of the book, organized in lists of ten. The categories include great JavaScript-related online resources, common mistakes, and debugging tips.

Part VI: Appendixes

At the back of the book you find a handful of indispensable references, includ¬ing JavaScript reserved words, color values, document objects, and special characters. There’s also a nifty how-to section that describes all the cool tools you find on the companion CD.
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