7. Netscape/Microsoft Extensions to HTML

Netscape and Microsoft have introduced their own special HTML extensions. some of these extensions were discussed eleswhere in this collection -- in particular when they involved new attributes to already existing elements. The following are more fundamental changes.

NOTE
In most cases, these new attributes are unlikely to become part of "official" HTML, so you should be cautious in their use.

7.1 Netscape/MS Elements List

1. CENTER - Centered blocks
2. FONT - Change font size/properties
3. BASEFONT - Set default font
4. APPLET - Embedded Java Applets (Netscape 2.0+ only)
5. MARQUEE - Scrolling Text Marquee (Microsoft 2.0+ only)
6. MAP - Client-side Imagemap
7. FRAME - FRAME documents (Netscape 2.0+ only)
8. SCRIPT - Document scripting program (Netscape 2.0+ only)