HTML 4.0 added several new Elements, removed some, deprecated the use of others as well as some attributes and added new attributes. This Technote gives a summary of the support for the Elements in HTML 4.0 across Netscape Navigator 4.x, Netscape 6, Internet Explorer 3.x-5.x, HTML 3.2 and HTML 4.0.
The definitive references for HTML 4.01 are:
-
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd"> -
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd"> -
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN"
"http://www.w3.org/TR/html4/frameset.dtd">
New Attributes in HTML 4.0
- CLASS
- DIR
- ID
- LANG
- STYLE
- TITLE
- onclick
- ondblclick
- onkeydown
- onkeypress
- onkeyup
- onmousedown
- onmousemove
- onmouseout
- onmouseover
- onmouseup
Key
| NN4 | Netscape Navigator 4.x |
| NS6 | Netscape 6 |
| IE3 | Internet Explorer 3.x |
| IE4 | Internet Explorer 4.x |
| IE5 | Internet Explorer 5.x |
| HTML3 | HTML 3.2 |
| HTML4 | HTML 4.0 |
| Element | Comments | Deprecated Attributes | |||||||
| A | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| ABBR | NS6 | HTML4 | |||||||
| ACRONYM | NS6 | IE4 | IE5 | HTML4 | |||||
| ADDRESS | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| APPLET | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | deprecated in HTML 4.0 | ALIGN, ARCHIVE, CODE, CODEBASE, HEIGHT, NAME, OBJECT, WIDTH |
| AREA | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| B | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| BASE | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| BASEFONT | NN4 | IE3 | IE4 | IE5 | HTML3 | HTML4 | deprecated in HTML 4.0 Not supported in NS6 See Bugzilla Bug 3875 |
COLOR, FACE, SIZE | |
| BDO | IE5 | HTML4 | not supported in NS6 | ||||||
| BGSOUND | IE3 | IE4 | IE5 | ||||||
| BIG | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| BLINK | NN4 | ||||||||
| BLOCKQUOTE | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| BODY | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALINK, BACKGROUND, BGCOLOR, LINK, TEXT, VLINK | |
| BR | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | CLEAR | |
| BUTTON | NS6 | IE4 | IE5 | HTML4 | |||||
| CAPTION | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN | |
| CENTER | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | deprecated in HTML 4.0 | |
| CITE | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| CODE | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| COL | NS6 | IE3 | IE4 | IE5 | HTML4 | ||||
| COLGROUP | NS6 | IE3 | IE4 | IE5 | HTML4 | ||||
| COMMENT | IE3 | IE4 | IE5 | ||||||
| DD | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| DEL | NS6 | IE4 | IE5 | HTML4 | |||||
| DFN | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | |||
| DIR | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | deprecated in HTML 4.0 | COMPACT |
| DIV | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| DL | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | COMPACT | |
| DT | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| EM | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| EMBED | NN4 | NS6 | IE3 | IE4 | IE5 | ||||
| FIELDSET | NS6 | IE4 | IE5 | HTML4 | |||||
| FONT | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | deprecated in HTML 4.0 | COLOR, FACE, SIZE |
| FORM | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| FRAME | NN4 | NS6 | IE3 | IE4 | IE5 | HTML4 | |||
| FRAMESET | NN4 | NS6 | IE3 | IE4 | IE5 | HTML4 | |||
| H1 | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN | |
| H2 | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN | |
| H3 | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN | |
| H4 | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN | |
| H5 | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN | |
| H6 | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN | |
| HEAD | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| HR | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN, NOSHADE, SIZE, WIDTH | |
| HTML | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | VERSION | |
| I | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| IFRAME | NS6 | IE3 | IE4 | IE5 | HTML4 | ALIGN | |||
| ILAYER | NN4 | Replace with relatively positioned DIVs instead | |||||||
| IMG | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN, BORDER, HSPACE, VSPACE | |
| INPUT | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN | |
| INS | NS6 | IE4 | IE5 | HTML4 | |||||
| ISINDEX | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | deprecated in HTML 4.0 | PROMPT |
| KBD | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| KEYGEN | NN4 | ||||||||
| LABEL | NS6 | IE4 | IE5 | HTML4 | |||||
| LAYER | NN4 | Replace with absolutely positioned DIVs instead | |||||||
| LEGEND | NS6 | IE4 | IE5 | HTML4 | ALIGN | ||||
| LI | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | TYPE, VALUE | |
| LINK | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| LISTING | NN4 | IE3 | IE4 | IE5 | HTML3 | removed from HTML 4.0 | |||
| MAP | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| MARQUEE | IE3 | IE4 | IE5 | ||||||
| MENU | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | deprecated in HTML 4.0 | COMPACT |
| META | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| MULTICOL | NN4 | ||||||||
| NOBR | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| NOEMBED | NN4 | ||||||||
| NOFRAMES | NN4 | NS6 | IE3 | IE4 | IE5 | HTML4 | |||
| NOLAYER | NN4 | Remove altogether | |||||||
| NOSCRIPT | NN4 | NS6 | IE4 | IE5 | HTML4 | ||||
| OBJECT | NN4 | NS6 | IE3 | IE4 | IE5 | HTML4 | ALIGN, BORDER, HSPACE, VSPACE | ||
| OL | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | COMPACT, START, TYPE | |
| OPTIONGROUP | NS6 | HTML4 | |||||||
| OPTION | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| P | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN | |
| PARAM | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| PLAINTEXT | NN4 | IE3 | IE4 | IE5 | HTML3 | removed from HTML 4.0 | |||
| PRE | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| Q | NS6 | IE3 | IE4 | IE5 | HTML4 | ||||
| RT | IE5 | ||||||||
| RUBY | IE5 | ||||||||
| S | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | deprecated in HTML 4.0 | |
| SAMP | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| SCRIPT | NN4 | NS6 | IE3 | IE4 | IE5 | HTML4 | |||
| SELECT | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| SERVER | NN4 | ||||||||
| SMALL | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| SPACER | NN4 | ||||||||
| SPAN | NN4 | NS6 | IE3 | IE4 | IE5 | HTML4 | |||
| STRIKE | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | deprecated in HTML 4.0 | |
| STRONG | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| STYLE | NN4 | NS6 | IE3 | IE4 | IE5 | HTML4 | |||
| SUB | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| SUP | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| TABLE | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ALIGN, BGCOLOR | |
| TBODY | NN4 | NS6 | IE3 | IE4 | IE5 | HTML4 | |||
| TD | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | BGCOLOR, HEIGHT, NOWRAP, WIDTH | |
| TEXTAREA | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| TFOOT | NS6 | IE3 | IE4 | IE5 | HTML4 | ||||
| TH | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | BGCOLOR, HEIGHT, NOWRAP, WIDTH | |
| THEAD | NS6 | IE3 | IE4 | IE5 | HTML4 | ||||
| TITLE | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| TR | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | BGCOLOR | |
| TT | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| U | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | deprecated in HTML 4.0 | |
| UL | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | COMPACT, TYPE | |
| VAR | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | HTML4 | ||
| WBR | NN4 | NS6 | IE3 | IE4 | IE5 | ||||
| XML | IE5 | ||||||||
| XMP | NN4 | NS6 | IE3 | IE4 | IE5 | HTML3 | removed from HTML 4.0 |