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| Ãû³Æ | Ïà¹ØÔªËØ | ÀàÐÍ | ȱʡֵ | ±¸×¢ |
|---|---|---|---|---|
| accept-charset | FORM | CDATA | #IMPLIED | ÌṩµÄ×Ö·ûÁбí |
| accept | INPUT | CDATA | #IMPLIED | ÎļþÉÏÔØµÄ MIME ÀàÐÍÁбí |
| accesskey | A, LABEL, LEGEND | CDATA | #IMPLIED | Èȼü×Ö·û |
| action | FORM | %URL | #REQUIRED | ·þÎñÆ÷¶Ë±íµ¥´¦Àí |
| align | CAPTION | %CAlign | #IMPLIED | ±í¸ñ¶ÔÆ뷽ʽ |
| align | APPLET, IFRAME, IMG, INPUT | %IAlign | #IMPLIED | ´¹Ö±»òˮƽ¶ÔÆë |
| align | LEGEND | %LAlign | #IMPLIED | Ïà¶ÔÓòÉèÖà |
| align | OBJECT | %OAlign | #IMPLIED | ÎĵµÄÚ²¿Î»Öà |
| align | TABLE | %TAlign | #IMPLIED | Ïà¶ÔÓÚÊÓ´°µÄ±í¸ñλÖà |
| align | DIV, H1, H2, H3, H4, H5, H6, P | (left | center | right | justify) | #IMPLIED | ¶ÔÆ뷽ʽ, Îı¾¶ÔÆ뷽ʽ |
| align | COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR | (left | center | right | justify | char) | #IMPLIED | |
| align | HR | (left | right | center) | #IMPLIED | |
| alink | BODY | CDATA | #IMPLIED | bgcolor, text, link, vlink, alink |
| alt | APPLET, IMG, INPUT | CDATA | #IMPLIED | Õë¶ÔÖ»ÌṩÎı¾µÄä¯ÀÀÆ÷µÄÃèÊö |
| alt | AREA | CDATA | #REQUIRED | Õë¶ÔÖ»ÌṩÎı¾µÄä¯ÀÀÆ÷µÄÃèÊö |
| archive | APPLET | CDATA | #IMPLIED | ¶ººÅ·ÖÁеĵµ°¸Áбí |
| axes | TD, TH | CDATA | #IMPLIED | axis Ãû³ÆÁбí |
| axis | TD, TH | CDATA | #IMPLIED | ȱʡµ¥ÔªÄÚÈÝ |
| background | BODY | %URL | #IMPLIED | texture tile for document background |
| bgcolor | TABLE | %Color | #IMPLIED | background color for cells |
| bgcolor | TR | %Color | #IMPLIED | background color for row |
| bgcolor | TD, TH | %Color | #IMPLIED | cell background color |
| bgcolor | BODY | CDATA | #IMPLIED | |
| border | OBJECT | %Length | #IMPLIED | suggested link border width |
| border | IMG | %Pixels | #IMPLIED | suggested link border width |
| border | TABLE | CDATA | #IMPLIED | controls frame width around table |
| cellpadding | TABLE | CDATA | #IMPLIED | spacing within cells |
| cellspacing | TABLE | CDATA | #IMPLIED | spacing between cells |
| char | COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR | CDATA | #IMPLIED | alignment char, e.g. char=':' |
| charoff | COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR | CDATA | #IMPLIED | offset for alignment char |
| charset | A | CDATA | #IMPLIED | char encoding of linked resource |
| checked | INPUT | (checked) | #IMPLIED | for radio buttons and check boxes |
| cite | BLOCKQUOTE, Q | %URL | #IMPLIED | URL for source document or msg |
| cite | DEL, INS | %URL | #IMPLIED | info on reason for change |
| class | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BR, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, ISINDEX, KBD, LABEL, LEGEND, LI, LINK, MAP, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | space separated list of classes |
| classid | OBJECT | %URL | #IMPLIED | identifies an implementation |
| clear | BR | (left | all | right | none) | none | control of text flow |
| code | APPLET | CDATA | #IMPLIED | applet class file |
| codebase | APPLET | %URL | #IMPLIED | optional base URL for applet |
| codebase | OBJECT | %URL | #IMPLIED | some systems need an additional URL |
| codetype | OBJECT | %ContentType | #IMPLIED | Internet content type for code |
| color | BASEFONT, FONT | CDATA | #IMPLIED | #RRGGBB in hex, e.g. red: "#FF0000" |
| cols | FRAMESET | CDATA | #IMPLIED | if not given, default is 1 column |
| cols | TABLE | NUMBER | #IMPLIED | used for immediate display mode |
| cols | TEXTAREA | NUMBER | #REQUIRED | |
| colspan | TD, TH | NUMBER | 1 | number of cols spanned by cell |
| compact | DIR, MENU | (compact) | #IMPLIED | |
| compact | DL, OL, UL | (compact) | #IMPLIED | reduced interitem spacing |
| content | META | CDATA | #REQUIRED | associated information |
| coords | AREA | %Coords | #IMPLIED | comma separated list of values |
| coords | A | %Coords | #IMPLIED | for use with OBJECT SHAPES |
| data | OBJECT | %URL | #IMPLIED | reference to object's data |
| datetime | DEL, INS | CDATA | #IMPLIED | when changed: ISO date format |
| declare | OBJECT | (declare) | #IMPLIED | declare but don't instantiate flag |
| dir | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HEAD, HTML, I, IMG, INPUT, INS, ISINDEX, KBD, LABEL, LEGEND, LI, LINK, MENU, META, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, STYLE, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TITLE, TR, TT, U, UL, VAR | (ltr | rtl) | #IMPLIED | direction for weak/neutral text |
| dir | BDO | (ltr | rtl) | #REQUIRED | directionality |
| disabled | BUTTON, INPUT, LABEL, OPTION, SELECT, TEXTAREA | (disabled) | #IMPLIED | control is unavailable in this context |
| enctype | FORM | %ContentType | "application/x-www-form-urlencoded" | |
| face | BASEFONT, FONT | CDATA | #IMPLIED | comma separated list of font names |
| for | LABEL | IDREF | #IMPLIED | matches field ID value |
| frame | TABLE | %TFrame | #IMPLIED | which parts of table frame to include |
| frameborder | FRAME, IFRAME | (1 | 0) | 1 | request frame borders? |
| height | IFRAME, OBJECT | %Length | #IMPLIED | suggested height |
| height | IMG | %Pixels | #IMPLIED | suggested height in pixels |
| height | APPLET | %Pixels | #REQUIRED | suggested height in pixels |
| href | A, LINK | %URL | #IMPLIED | URL for linked resource |
| href | AREA | %URL | #IMPLIED | this region acts as hypertext link |
| href | BASE | %URL | #REQUIRED | |
| hspace | OBJECT | %Length | #IMPLIED | suggested horizontal gutter |
| hspace | APPLET, IMG | %Pixels | #IMPLIED | suggested horizontal gutter |
| http-equiv | META | NAME | #IMPLIED | HTTP response header name |
| id | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BR, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, ISINDEX, KBD, LABEL, LEGEND, LI, LINK, MAP, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | ID | #IMPLIED | document-wide unique id |
| ismap | IMG | (ismap) | #IMPLIED | use server-side image map |
| lang | A, ACRONYM, ADDRESS, B, BDO, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HEAD, HTML, I, IMG, INPUT, INS, ISINDEX, KBD, LABEL, LEGEND, LI, LINK, MENU, META, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, STYLE, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TITLE, TR, TT, U, UL, VAR | NAME | #IMPLIED | [RFC1766] language value |
| language | SCRIPT | CDATA | #IMPLIED | predefined script language name |
| link | BODY | CDATA | #IMPLIED | |
| marginheight | FRAME, IFRAME | %Pixels | #IMPLIED | margin height in pixels |
| marginwidth | FRAME, IFRAME | %Pixels | #IMPLIED | margin widths in pixels |
| maxlength | INPUT | NUMBER | #IMPLIED | max chars for text fields |
| media | STYLE | CDATA | #IMPLIED | designed for use with these media |
| media | LINK | CDATA | #IMPLIED | for rendering on these media |
| method | FORM | (GET | POST) | GET | HTTP method used to submit the form |
| multiple | SELECT | (multiple) | #IMPLIED | default is single selection |
| name | OBJECT | %URL | #IMPLIED | submit as part of form |
| name | MAP | CDATA | #IMPLIED | |
| name | APPLET | CDATA | #IMPLIED | allows applets to find each other |
| name | BUTTON | CDATA | #IMPLIED | for scripting/forms as submit button |
| name | FRAME, IFRAME | CDATA | #IMPLIED | name of frame for targetting |
| name | A | CDATA | #IMPLIED | named link end |
| name | INPUT | CDATA | #IMPLIED | required for all but submit & reset |
| name | TEXTAREA | CDATA | #REQUIRED | |
| name | SELECT | CDATA | #REQUIRED | field name |
| name | PARAM | CDATA | #REQUIRED | property name |
| name | META | NAME | #IMPLIED | metainformation name |
| nohref | AREA | (nohref) | #IMPLIED | this region has no action |
| noresize | FRAME | (noresize) | #IMPLIED | allow users to resize frames? |
| noshade | HR | (noshade) | #IMPLIED | |
| nowrap | TD, TH | (nowrap) | #IMPLIED | suppress word wrap |
| object | APPLET | CDATA | #IMPLIED | serialized applet file |
| onblur | BUTTON, INPUT, LABEL, SELECT, TEXTAREA | %Script | #IMPLIED | the element lost the focus |
| onchange | INPUT, SELECT, TEXTAREA | %Script | #IMPLIED | the element value was changed |
| onclick | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, KBD, LABEL, LEGEND, LI, LINK, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | the pointing device button was clicked |
| ondblclick | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, KBD, LABEL, LEGEND, LI, LINK, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | the pointing device button was double clicked |
| onfocus | BUTTON, INPUT, LABEL, SELECT, TEXTAREA | %Script | #IMPLIED | the element got the focus |
| onkeydown | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, KBD, LABEL, LEGEND, LI, LINK, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | a key was pressed down |
| onkeypress | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, KBD, LABEL, LEGEND, LI, LINK, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | a key was pressed and released |
| onkeyup | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, KBD, LABEL, LEGEND, LI, LINK, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | a key was released |
| onload | FRAMESET | %Script | #IMPLIED | all the frames have been loaded |
| onload | BODY | %Script | #IMPLIED | the document has been loaded |
| onmousedown | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, KBD, LABEL, LEGEND, LI, LINK, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | the pointing device button was pressed down |
| onmousemove | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, KBD, LABEL, LEGEND, LI, LINK, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | the pointing device was moved |
| onmouseout | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, KBD, LABEL, LEGEND, LI, LINK, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | the pointing device was moved away |
| onmouseover | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, KBD, LABEL, LEGEND, LI, LINK, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | the pointing device was moved over |
| onmouseup | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, KBD, LABEL, LEGEND, LI, LINK, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | the pointing device button was released |
| onreset | FORM | %Script | #IMPLIED | the form was reset |
| onselect | INPUT, SELECT, TEXTAREA | %Script | #IMPLIED | some text was selected |
| onsubmit | FORM | %Script | #IMPLIED | the form was submitted |
| onunload | FRAMESET | %Script | #IMPLIED | all the frames have been removed |
| onunload | BODY | %Script | #IMPLIED | the document has been removed |
| profile | HEAD | %URL | #IMPLIED | named dictionary of meta info |
| prompt | ISINDEX | CDATA | #IMPLIED | prompt message |
| readonly | TEXTAREA | (readonly) | #IMPLIED | |
| readonly | INPUT | (readonly) | #IMPLIED | for text and passwd |
| rel | A, LINK | CDATA | #IMPLIED | forward link types |
| rev | A, LINK | CDATA | #IMPLIED | reverse link types |
| rows | FRAMESET | CDATA | #IMPLIED | if not given, default is 1 row |
| rows | TEXTAREA | NUMBER | #REQUIRED | |
| rowspan | TD, TH | NUMBER | 1 | number of rows spanned by cell |
| rules | TABLE | %TRules | #IMPLIED | rulings between rows and cols |
| scheme | META | CDATA | #IMPLIED | select form of content |
| scrolling | FRAME, IFRAME | (yes | no | auto) | auto | scrollbar or none |
| selected | OPTION | (selected) | #IMPLIED | |
| shape | AREA | %Shape | rect | controls interpretation of coords |
| shape | A | %Shape | rect | for use with OBJECT SHAPES |
| shapes | OBJECT | (shapes) | #IMPLIED | object has shaped hypertext links |
| size | HR | %Pixels | #IMPLIED | |
| size | FONT | CDATA | #IMPLIED | [+]nn e.g. size="+1", size=4 |
| size | INPUT | CDATA | #IMPLIED | specific to each type of field |
| size | BASEFONT | CDATA | #REQUIRED | base font size for FONT elements |
| size | SELECT | NUMBER | #IMPLIED | rows visible |
| span | COLGROUP | NUMBER | 1 | default number of columns in group |
| span | COL | NUMBER | 1 | number of columns spanned by group |
| src | SCRIPT | %URL | #IMPLIED | URL for an external script |
| src | INPUT | %URL | #IMPLIED | for fields with images |
| src | FRAME, IFRAME | %URL | #IMPLIED | source of frame content |
| src | IMG | %URL | #REQUIRED | URL of image to embed |
| standby | OBJECT | CDATA | #IMPLIED | message to show while loading |
| start | OL | NUMBER | #IMPLIED | starting sequence number |
| style | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BR, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, ISINDEX, KBD, LABEL, LEGEND, LI, LINK, MAP, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | associated style info |
| tabindex | A, AREA, BUTTON, INPUT, OBJECT, SELECT, TEXTAREA | NUMBER | #IMPLIED | position in tabbing order |
| target | AREA, BASE, LINK | CDATA | #IMPLIED | where to render linked resource |
| target | A | CDATA | #IMPLIED | where to render resource |
| target | FORM | CDATA | #IMPLIED | where to render result |
| text | BODY | CDATA | #IMPLIED | |
| title | STYLE | CDATA | #IMPLIED | advisory title |
| title | A, ACRONYM, ADDRESS, B, BIG, BLOCKQUOTE, BODY, BR, BUTTON, CAPTION, CENTER, CITE, CODE, COL, COLGROUP, DD, DEL, DFN, DIR, DIV, DL, DT, EM, FIELDSET, FORM, H1, H2, H3, H4, H5, H6, HR, I, IMG, INPUT, INS, ISINDEX, KBD, LABEL, LEGEND, LI, LINK, MAP, MENU, OBJECT, OL, OPTION, P, PRE, Q, S, SAMP, SELECT, SMALL, SPAN, STRIKE, STRONG, SUB, SUP, TABLE, TBODY, TD, TEXTAREA, TFOOT, TH, THEAD, TR, TT, U, UL, VAR | CDATA | #IMPLIED | advisory title/amplification |
| type | OBJECT | %ContentType | #IMPLIED | Internet content type for data |
| type | LINK | %ContentType | #IMPLIED | advisory Internet content type |
| type | INPUT | %InputType | TEXT | what kind of widget is needed |
| type | LI | %LIStyle | #IMPLIED | list item style |
| type | OL | %OLStyle | #IMPLIED | numbering style |
| type | UL | (%ULStyle) | #IMPLIED | bullet style |
| type | BUTTON | (submit | reset) | #IMPLIED | for use as form submit/reset button |
| type | SCRIPT | CDATA | #IMPLIED | Internet content type for script language |
| type | PARAM | CDATA | #IMPLIED | Internet media type |
| type | STYLE | CDATA | #REQUIRED | Internet content type for style language |
| usemap | OBJECT | %URL | #IMPLIED | reference to image map |
| usemap | IMG, INPUT | %URL | #IMPLIED | use client-side image map |
| valign | COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR | (top | middle | bottom | baseline) | #IMPLIED | vertical alignment in cells |
| value | OPTION | CDATA | #IMPLIED | defaults to element content |
| value | BUTTON | CDATA | #IMPLIED | gets passed to server when submitted |
| value | PARAM | CDATA | #IMPLIED | property value |
| value | INPUT | CDATA | #IMPLIED | required for radio and checkboxes |
| value | LI | NUMBER | #IMPLIED | reset sequence number |
| valuetype | PARAM | (DATA | REF | OBJECT) | DATA | How to interpret value |
| version | HTML | CDATA | 'http://www.w3.org/TR/WD-html40-970708/HTML4.dtd' | Constant |
| vlink | BODY | CDATA | #IMPLIED | |
| vspace | OBJECT | %Length | #IMPLIED | suggested vertical gutter |
| vspace | APPLET, IMG | %Pixels | #IMPLIED | suggested vertical gutter |
| width | HR | %Length | #IMPLIED | |
| width | IFRAME, OBJECT | %Length | #IMPLIED | suggested width |
| width | IMG | %Pixels | #IMPLIED | suggested width in pixels |
| width | APPLET | %Pixels | #REQUIRED | suggested width in pixels |
| width | COL | CDATA | #IMPLIED | column width specification |
| width | COLGROUP | CDATA | #IMPLIED | default width for enclosed COLs |
| width | TABLE | CDATA | #IMPLIED | table width relative to window |
| width | PRE | NUMBER | #IMPLIED |