| Name | Related Elements | Type | Default | Comment
|
|---|
| abbr
| TD,
TH
| CDATA
| #IMPLIED | abbreviation for header cell
|
| accept-charset
| FORM
| CDATA
| #IMPLIED | list of supported charsets
|
| accept
| INPUT
| CDATA
| #IMPLIED | list of MIME types for file upload
|
| accesskey
| A,
AREA,
BUTTON,
INPUT,
LABEL,
LEGEND
| CDATA
| #IMPLIED | accessibility key character
|
| action
| FORM
| %URL;
| #REQUIRED | server-side form handler
|
| align
| CAPTION
| %CAlign;
| #IMPLIED | relative to table
|
| align
| APPLET,
IFRAME,
IMG,
INPUT,
OBJECT
| %IAlign;
| #IMPLIED | vertical or horizontal alignment
|
| align
| LEGEND
| %LAlign;
| #IMPLIED | relative to fieldset
|
| align
| TABLE
| %TAlign;
| #IMPLIED | table position relative to window
|
| align
| DIV,
H1,
H2,
H3,
H4,
H5,
H6,
P
| (left | center | right | justify)
| #IMPLIED | align, text alignment
|
| 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,
INPUT
| CDATA
| #IMPLIED | short description
|
| alt
| AREA,
IMG
| CDATA
| #REQUIRED | short description
|
| archive
| OBJECT
| %URL;
| #IMPLIED | space separated archive list
|
| archive
| APPLET
| CDATA
| #IMPLIED | comma separated archive list
|
| axes
| TD,
TH
| IDREFS
| #IMPLIED | list of id's for header cells
|
| axis
| TD,
TH
| CDATA
| #IMPLIED | names groups of related headers
|
| 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,
LINK
| 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
| All elements but BASE,
BASEFONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| 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
| All elements but APPLET,
BASE,
BASEFONT,
BDO,
BR,
FONT,
FRAME,
FRAMESET,
HR,
IFRAME,
PARAM,
SCRIPT
| (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
| TD,
TH
| %Pixels;
| #IMPLIED | suggested height for cell
|
| 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
| All elements but BASE,
HEAD,
HTML,
META,
SCRIPT,
STYLE,
TITLE
| ID
| #IMPLIED | document-wide unique id
|
| ismap
| IMG
| (ismap)
| #IMPLIED | use server-side image map
|
| lang
| All elements but APPLET,
BASE,
BASEFONT,
BR,
FONT,
FRAME,
FRAMESET,
HR,
IFRAME,
PARAM,
SCRIPT
| NAME
| #IMPLIED | [RFC1766] language value
|
| language
| SCRIPT
| CDATA
| #IMPLIED | predefined script language name
|
| link
| BODY
| CDATA
| #IMPLIED
|
| longdesc
| IMG
| %URL;
| #IMPLIED | link to long description
|
| 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
| MAP,
TEXTAREA
| CDATA
| #IMPLIED
|
| name
| APPLET
| CDATA
| #IMPLIED | allows applets to find each other
|
| name
| SELECT
| CDATA
| #IMPLIED | field name
|
| 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,
OBJECT
| CDATA
| #IMPLIED | submit as part of form
|
| 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
| A,
BUTTON,
INPUT,
LABEL,
SELECT,
TEXTAREA
| %Script;
| #IMPLIED | the element lost the focus
|
| onchange
| INPUT,
SELECT,
TEXTAREA
| %Script;
| #IMPLIED | the element value was changed
|
| onclick
| All elements but APPLET,
BASE,
BASEFONT,
BDO,
BR,
FONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
ISINDEX,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| CDATA
| #IMPLIED | a pointer button was clicked
|
| ondblclick
| All elements but APPLET,
BASE,
BASEFONT,
BDO,
BR,
FONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
ISINDEX,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| CDATA
| #IMPLIED | a pointer button was double clicked
|
| onfocus
| A,
BUTTON,
INPUT,
LABEL,
SELECT,
TEXTAREA
| %Script;
| #IMPLIED | the element got the focus
|
| onkeydown
| All elements but APPLET,
BASE,
BASEFONT,
BDO,
BR,
FONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
ISINDEX,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| CDATA
| #IMPLIED | a key was pressed down
|
| onkeypress
| All elements but APPLET,
BASE,
BASEFONT,
BDO,
BR,
FONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
ISINDEX,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| CDATA
| #IMPLIED | a key was pressed and released
|
| onkeyup
| All elements but APPLET,
BASE,
BASEFONT,
BDO,
BR,
FONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
ISINDEX,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| 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
| All elements but APPLET,
BASE,
BASEFONT,
BDO,
BR,
FONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
ISINDEX,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| CDATA
| #IMPLIED | a pointer button was pressed down
|
| onmousemove
| All elements but APPLET,
BASE,
BASEFONT,
BDO,
BR,
FONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
ISINDEX,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| CDATA
| #IMPLIED | a pointer was moved within
|
| onmouseout
| All elements but APPLET,
BASE,
BASEFONT,
BDO,
BR,
FONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
ISINDEX,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| CDATA
| #IMPLIED | a pointer was moved away
|
| onmouseover
| All elements but APPLET,
BASE,
BASEFONT,
BDO,
BR,
FONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
ISINDEX,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| CDATA
| #IMPLIED | a pointer was moved onto
|
| onmouseup
| All elements but APPLET,
BASE,
BASEFONT,
BDO,
BR,
FONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
ISINDEX,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| CDATA
| #IMPLIED | a pointer button was released
|
| onreset
| FORM
| %Script;
| #IMPLIED | the form was reset
|
| onselect
| INPUT,
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
| All elements but BASE,
BASEFONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| CDATA
| #IMPLIED | associated style info
|
| summary
| TABLE
| CDATA
| #IMPLIED | purpose/structure for speech o/p
|
| 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
| FRAME,
FRAMESET,
IFRAME
| CDATA
| #IMPLIED | advisory title as for anchors
|
| title
| All elements but BASE,
BASEFONT,
FRAME,
FRAMESET,
HEAD,
HTML,
IFRAME,
META,
PARAM,
SCRIPT,
STYLE,
TITLE
| 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
| (button | submit | reset)
| submit | 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
| -//W3C//DTD HTML 4.0 Transitional//EN | 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
| TD,
TH
| %Pixels;
| #IMPLIED | suggested width for cell
|
| 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
|