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

7.1 Netscape, Microsoft and Advanced Standard Elements List

The following are the newer Netscape/Microsoft Elements:

1. CENTER - Centered blocks
2. FONT - Change font size/properties
3. BASEFONT - Set default font
4. APPLET - Embedded Java Applets
5. MARQUEE - Scrolling Text Marquee (Microsoft 2.0+ only)
6. MAP - Client-side Imagemap
7. FRAME - FRAME documents
8. EMBED and NOEMBED - Embedded data objects
9. OBJECT - Document scripting program (Standard HTML 4.0)
10. MULTICOL - Multi-column text
11. SPACER - Horizontal and Vertical Spacers
12. WBR and NOBR - Word Break and No Word Break