JSS is a Netscape invention. In fact, for a short time, Netscape appeared ready to eschew the CSS methodology, which Internet Explorer already had implemented, and use JSS exclusively for HTML document designers with its then-current browser, Navigator 4. In the end, Netscape supported both JSS and CSS technologies. Today, Netscape 6 eschews support for JSS entirely in favor of the standard CSS2. At this point, CSS should be seen as Netscape’s long-term direction.
We are strong proponents of reasonable standards, and now that the CSS2 model is fully supported in HTML 4 and XHTML, we can’t recommend that you use anything but CSS-standard style sheets. Evidently, Netscape now agrees with us on this point.
We thoroughly discuss the concepts and ideas behind style sheets — specifically, Cascading Style Sheets — in Chapter 8, so we won’t repeat ourselves here. Rather, we address only how to create and ...