Index of Attributes

NameRelated ElementsTypeDefaultComment
accept-charset FORM CDATA #IMPLIEDlist of supported charsets
accept INPUT CDATA #IMPLIEDlist of MIME types for file upload
accesskey A, LABEL, LEGEND CDATA #IMPLIEDaccessibility key character
action FORM %URL #REQUIREDserver-side form handler
align CAPTION %CAlign #IMPLIEDrelative to table
align APPLET, IFRAME, IMG, INPUT %IAlign #IMPLIEDvertical or horizontal alignment
align LEGEND %LAlign #IMPLIEDrelative to fieldset
align OBJECT %OAlign #IMPLIEDpositioning inside document
align TABLE %TAlign #IMPLIEDtable position relative to window
align DIV, H1, H2, H3, H4, H5, H6, P (left | center | right | justify) #IMPLIEDalign, 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 #IMPLIEDbgcolor, text, link, vlink, alink
alt APPLET, IMG, INPUT CDATA #IMPLIEDdescription for text only browsers
alt AREA CDATA #REQUIREDdescription for text only browsers
archive APPLET CDATA #IMPLIEDcomma separated archive list
axes TD, TH CDATA #IMPLIEDlist of axis names
axis TD, TH CDATA #IMPLIEDdefaults to cell content
background BODY %URL #IMPLIEDtexture tile for document background
bgcolor TABLE %Color #IMPLIEDbackground color for cells
bgcolor TR %Color #IMPLIEDbackground color for row
bgcolor TD, TH %Color #IMPLIEDcell background color
bgcolor BODY CDATA #IMPLIED
border OBJECT %Length #IMPLIEDsuggested link border width
border IMG %Pixels #IMPLIEDsuggested link border width
border TABLE CDATA #IMPLIEDcontrols frame width around table
cellpadding TABLE CDATA #IMPLIEDspacing within cells
cellspacing TABLE CDATA #IMPLIEDspacing between cells
char COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR CDATA #IMPLIEDalignment char, e.g. char=':'
charoff COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR CDATA #IMPLIEDoffset for alignment char
charset A CDATA #IMPLIEDchar encoding of linked resource
checked INPUT (checked) #IMPLIEDfor radio buttons and check boxes
cite BLOCKQUOTE, Q %URL #IMPLIEDURL for source document or msg
cite DEL, INS %URL #IMPLIEDinfo 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 #IMPLIEDspace separated list of classes
classid OBJECT %URL #IMPLIEDidentifies an implementation
clear BR (left | all | right | none) nonecontrol of text flow
code APPLET CDATA #IMPLIEDapplet class file
codebase APPLET %URL #IMPLIEDoptional base URL for applet
codebase OBJECT %URL #IMPLIEDsome systems need an additional URL
codetype OBJECT %ContentType #IMPLIEDInternet content type for code
color BASEFONT, FONT CDATA #IMPLIED#RRGGBB in hex, e.g. red: "#FF0000"
cols FRAMESET CDATA #IMPLIEDif not given, default is 1 column
cols TABLE NUMBER #IMPLIEDused for immediate display mode
cols TEXTAREA NUMBER #REQUIRED
colspan TD, TH NUMBER 1number of cols spanned by cell
compact DIR, MENU (compact) #IMPLIED
compact DL, OL, UL (compact) #IMPLIEDreduced interitem spacing
content META CDATA #REQUIREDassociated information
coords AREA %Coords #IMPLIEDcomma separated list of values
coords A %Coords #IMPLIEDfor use with OBJECT SHAPES
data OBJECT %URL #IMPLIEDreference to object's data
datetime DEL, INS CDATA #IMPLIEDwhen changed: ISO date format
declare OBJECT (declare) #IMPLIEDdeclare 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) #IMPLIEDdirection for weak/neutral text
dir BDO (ltr | rtl) #REQUIREDdirectionality
disabled BUTTON, INPUT, LABEL, OPTION, SELECT, TEXTAREA (disabled) #IMPLIEDcontrol is unavailable in this context
enctype FORM %ContentType "application/x-www-form-urlencoded"
face BASEFONT, FONT CDATA #IMPLIEDcomma separated list of font names
for LABEL IDREF #IMPLIEDmatches field ID value
frame TABLE %TFrame #IMPLIEDwhich parts of table frame to include
frameborder FRAME, IFRAME (1 | 0) 1request frame borders?
height IFRAME, OBJECT %Length #IMPLIEDsuggested height
height IMG %Pixels #IMPLIEDsuggested height in pixels
height APPLET %Pixels #REQUIREDsuggested height in pixels
href A, LINK %URL #IMPLIEDURL for linked resource
href AREA %URL #IMPLIEDthis region acts as hypertext link
href BASE %URL #REQUIRED
hspace OBJECT %Length #IMPLIEDsuggested horizontal gutter
hspace APPLET, IMG %Pixels #IMPLIEDsuggested horizontal gutter
http-equiv META NAME #IMPLIEDHTTP 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 #IMPLIEDdocument-wide unique id
ismap IMG (ismap) #IMPLIEDuse 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 #IMPLIEDpredefined script language name
link BODY CDATA #IMPLIED
marginheight FRAME, IFRAME %Pixels #IMPLIEDmargin height in pixels
marginwidth FRAME, IFRAME %Pixels #IMPLIEDmargin widths in pixels
maxlength INPUT NUMBER #IMPLIEDmax chars for text fields
media STYLE CDATA #IMPLIEDdesigned for use with these media
media LINK CDATA #IMPLIEDfor rendering on these media
method FORM (GET | POST) GETHTTP method used to submit the form
multiple SELECT (multiple) #IMPLIEDdefault is single selection
name OBJECT %URL #IMPLIEDsubmit as part of form
name MAP CDATA #IMPLIED
name APPLET CDATA #IMPLIEDallows applets to find each other
name BUTTON CDATA #IMPLIEDfor scripting/forms as submit button
name FRAME, IFRAME CDATA #IMPLIEDname of frame for targetting
name A CDATA #IMPLIEDnamed link end
name INPUT CDATA #IMPLIEDrequired for all but submit & reset
name TEXTAREA CDATA #REQUIRED
name SELECT CDATA #REQUIREDfield name
name PARAM CDATA #REQUIREDproperty name
name META NAME #IMPLIEDmetainformation name
nohref AREA (nohref) #IMPLIEDthis region has no action
noresize FRAME (noresize) #IMPLIEDallow users to resize frames?
noshade HR (noshade) #IMPLIED
nowrap TD, TH (nowrap) #IMPLIEDsuppress word wrap
object APPLET CDATA #IMPLIEDserialized applet file
onblur BUTTON, INPUT, LABEL, SELECT, TEXTAREA %Script #IMPLIEDthe element lost the focus
onchange INPUT, SELECT, TEXTAREA %Script #IMPLIEDthe 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 #IMPLIEDthe 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 #IMPLIEDthe pointing device button was double clicked
onfocus BUTTON, INPUT, LABEL, SELECT, TEXTAREA %Script #IMPLIEDthe 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 #IMPLIEDa 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 #IMPLIEDa 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 #IMPLIEDa key was released
onload FRAMESET %Script #IMPLIEDall the frames have been loaded
onload BODY %Script #IMPLIEDthe 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 #IMPLIEDthe 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 #IMPLIEDthe 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 #IMPLIEDthe 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 #IMPLIEDthe 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 #IMPLIEDthe pointing device button was released
onreset FORM %Script #IMPLIEDthe form was reset
onselect INPUT, SELECT, TEXTAREA %Script #IMPLIEDsome text was selected
onsubmit FORM %Script #IMPLIEDthe form was submitted
onunload FRAMESET %Script #IMPLIEDall the frames have been removed
onunload BODY %Script #IMPLIEDthe document has been removed
profile HEAD %URL #IMPLIEDnamed dictionary of meta info
prompt ISINDEX CDATA #IMPLIEDprompt message
readonly TEXTAREA (readonly) #IMPLIED
readonly INPUT (readonly) #IMPLIEDfor text and passwd
rel A, LINK CDATA #IMPLIEDforward link types
rev A, LINK CDATA #IMPLIEDreverse link types
rows FRAMESET CDATA #IMPLIEDif not given, default is 1 row
rows TEXTAREA NUMBER #REQUIRED
rowspan TD, TH NUMBER 1number of rows spanned by cell
rules TABLE %TRules #IMPLIEDrulings between rows and cols
scheme META CDATA #IMPLIEDselect form of content
scrolling FRAME, IFRAME (yes | no | auto) autoscrollbar or none
selected OPTION (selected) #IMPLIED
shape AREA %Shape rectcontrols interpretation of coords
shape A %Shape rectfor use with OBJECT SHAPES
shapes OBJECT (shapes) #IMPLIEDobject has shaped hypertext links
size HR %Pixels #IMPLIED
size FONT CDATA #IMPLIED[+]nn e.g. size="+1", size=4
size INPUT CDATA #IMPLIEDspecific to each type of field
size BASEFONT CDATA #REQUIREDbase font size for FONT elements
size SELECT NUMBER #IMPLIEDrows visible
span COLGROUP NUMBER 1default number of columns in group
span COL NUMBER 1number of columns spanned by group
src SCRIPT %URL #IMPLIEDURL for an external script
src INPUT %URL #IMPLIEDfor fields with images
src FRAME, IFRAME %URL #IMPLIEDsource of frame content
src IMG %URL #REQUIREDURL of image to embed
standby OBJECT CDATA #IMPLIEDmessage to show while loading
start OL NUMBER #IMPLIEDstarting 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 #IMPLIEDassociated style info
tabindex A, AREA, BUTTON, INPUT, OBJECT, SELECT, TEXTAREA NUMBER #IMPLIEDposition in tabbing order
target AREA, BASE, LINK CDATA #IMPLIEDwhere to render linked resource
target A CDATA #IMPLIEDwhere to render resource
target FORM CDATA #IMPLIEDwhere to render result
text BODY CDATA #IMPLIED
title STYLE CDATA #IMPLIEDadvisory 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 #IMPLIEDadvisory title/amplification
type OBJECT %ContentType #IMPLIEDInternet content type for data
type LINK %ContentType #IMPLIEDadvisory Internet content type
type INPUT %InputType TEXTwhat kind of widget is needed
type LI %LIStyle #IMPLIEDlist item style
type OL %OLStyle #IMPLIEDnumbering style
type UL (%ULStyle) #IMPLIEDbullet style
type BUTTON (submit | reset) #IMPLIEDfor use as form submit/reset button
type SCRIPT CDATA #IMPLIEDInternet content type for script language
type PARAM CDATA #IMPLIEDInternet media type
type STYLE CDATA #REQUIREDInternet content type for style language
usemap OBJECT %URL #IMPLIEDreference to image map
usemap IMG, INPUT %URL #IMPLIEDuse client-side image map
valign COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR (top | middle | bottom | baseline) #IMPLIEDvertical alignment in cells
value OPTION CDATA #IMPLIEDdefaults to element content
value BUTTON CDATA #IMPLIEDgets passed to server when submitted
value PARAM CDATA #IMPLIEDproperty value
value INPUT CDATA #IMPLIEDrequired for radio and checkboxes
value LI NUMBER #IMPLIEDreset sequence number
valuetype PARAM (DATA | REF | OBJECT) DATAHow to interpret value
version HTML CDATA 'http://www.w3.org/TR/WD-html40-970708/HTML4.dtd'Constant
vlink BODY CDATA #IMPLIED
vspace OBJECT %Length #IMPLIEDsuggested vertical gutter
vspace APPLET, IMG %Pixels #IMPLIEDsuggested vertical gutter
width HR %Length #IMPLIED
width IFRAME, OBJECT %Length #IMPLIEDsuggested width
width IMG %Pixels #IMPLIEDsuggested width in pixels
width APPLET %Pixels #REQUIREDsuggested width in pixels
width COL CDATA #IMPLIEDcolumn width specification
width COLGROUP CDATA #IMPLIEDdefault width for enclosed COLs
width TABLE CDATA #IMPLIEDtable width relative to window
width PRE NUMBER #IMPLIED