JavaScript™ 1.5 by Example

The Concepts and Features of DHTML

Microsoft and Netscape DHTML comprises the following:

• An object-oriented view of a Web page and all its elements

• Cascading style sheets (CSS) and layering of content

• Scripting that can address all (or at least most) of the page elements

• Dynamic fonts

NOTE

Dynamic fonts are not covered in this book.

TIP

Many of you might already be familiar with these technologies; if so, you're welcome to skip over this section or follow along with the rest of us.

An Object-Oriented View of Page Elements

Each element on the page (division or section, heading, paragraph, image, list, forms, and so on) is viewed as an object.

NOTE

Microsoft calls this the Dynamic HTML Object Model; Netscape calls it the HTML Object Model; and the ...