Index of the HTML 4 Attributes

Name Related Elements Type Default Depr. DTD Comment abbr TD, TH %Text; #IMPLIED     abbreviation for header cell accept-charset FORM %Charsets; #IMPLIED     list of supported charsets accept FORM, INPUT %ContentTypes; #IMPLIED     list of MIME types for file upload accesskey A, AREA, BUTTON, INPUT, LABEL, LEGEND, TEXTAREA %Character; #IMPLIED     accessibility key character action FORM %URI; #REQUIRED     server-side form handler align CAPTION %CAlign; #IMPLIED D L relative to table align APPLET, IFRAME, IMG, INPUT, OBJECT %IAlign; #IMPLIED D L vertical or horizontal alignment align LEGEND %LAlign; #IMPLIED D L relative to fieldset align TABLE %TAlign; #IMPLIED D L table position relative to window align HR (left | center | right) #IMPLIED D L   align DIV, H1, H2, H3, H4, H5, H6, P (left | center | right | justify) #IMPLIED D L align, text alignment align COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR (left | center | right | justify | char) #IMPLIED       alink BODY %Color; #IMPLIED D L color of selected links alt APPLET %Text; #IMPLIED D L short description alt AREA, IMG %Text; #REQUIRED     short description alt INPUT CDATA #IMPLIED     short description archive APPLET CDATA #IMPLIED D L comma-separated archive list archive OBJECT CDATA #IMPLIED     space-separated list of URIs axis TD, TH CDATA #IMPLIED     comma-separated list of related headers background BODY %URI; #IMPLIED D L texture tile for document background bgcolor TABLE %Color; #IMPLIED D L background color for cells bgcolor TR %Color; #IMPLIED D L background color for row bgcolor TD, TH %Color; #IMPLIED D L cell background color bgcolor BODY %Color; #IMPLIED D L document background color border TABLE %Pixels; #IMPLIED     controls frame width around table border IMG, OBJECT %Pixels; #IMPLIED D L link border width cellpadding TABLE %Length; #IMPLIED     spacing within cells cellspacing TABLE %Length; #IMPLIED     spacing between cells char COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR %Character; #IMPLIED     alignment char, e.g. char=':' charoff COL, COLGROUP, TBODY, TD, TFOOT, TH, THEAD, TR %Length; #IMPLIED     offset for alignment char charset A, LINK, SCRIPT %Charset; #IMPLIED     char encoding of linked resource checked INPUT (checked) #IMPLIED     for radio buttons and check boxes cite BLOCKQUOTE, Q %URI; #IMPLIED     URI for source document or msg cite DEL, INS %URI; #IMPLIED     info on reason for change class All elements but BASE, BASEFONT, HEAD, HTML, META, PARAM, SCRIPT, STYLE, TITLE CDATA #IMPLIED     space-separated list of classes classid OBJECT %URI; #IMPLIED     identifies an implementation clear BR (left | all | right | none) none D L control of text flow code APPLET CDATA #IMPLIED D L applet class file codebase OBJECT %URI; #IMPLIED     base URI for classid, data, archive codebase APPLET %URI; #IMPLIED D L optional base URI for applet codetype OBJECT %ContentType; #IMPLIED     content type for code color BASEFONT, FONT %Color; #IMPLIED D L text color cols FRAMESET %MultiLengths; #IMPLIED   F list of lengths, default: 100% (1 col) cols TEXTAREA NUMBER #REQUIRED       colspan TD, TH NUMBER 1     number of cols spanned by cell compact DIR, DL, MENU, OL, UL (compact) #IMPLIED D L reduced interitem spacing content META CDATA #REQUIRED     associated information coords AREA %Coords; #IMPLIED     comma-separated list of lengths coords A %Coords; #IMPLIED     for use with client-side image maps data OBJECT %URI; #IMPLIED     reference to object's data datetime DEL, INS %Datetime; #IMPLIED     date and time of change declare OBJECT (declare) #IMPLIED     declare but don't instantiate flag defer SCRIPT (defer) #IMPLIED     UA may defer execution of script dir All elements but APPLET, BASE, BASEFONT, BDO, BR, FRAME, FRAMESET, IFRAME, PARAM, SCRIPT (ltr | rtl) #IMPLIED     direction for weak/neutral text dir BDO (ltr | rtl) #REQUIRED     directionality disabled BUTTON, INPUT, OPTGROUP, OPTION, SELECT, TEXTAREA (disabled) #IMPLIED     unavailable in this context enctype FORM %ContentType; "application/x-www- form-urlencoded"       face BASEFONT, FONT CDATA #IMPLIED D L comma-separated list of font names for LABEL IDREF #IMPLIED     matches field ID value frame TABLE %TFrame; #IMPLIED     which parts of frame to render frameborder FRAME, IFRAME (1 | 0) 1   F request frame borders? headers TD, TH IDREFS #IMPLIED     list of id's for header cells height IFRAME %Length; #IMPLIED   L frame height height TD, TH %Length; #IMPLIED D L height for cell height IMG, OBJECT %Length; #IMPLIED     override height height APPLET %Length; #REQUIRED D L initial height href A, AREA, LINK %URI; #IMPLIED     URI for linked resource href BASE %URI; #IMPLIED     URI that acts as base URI hreflang A, LINK %LanguageCode; #IMPLIED     language code hspace APPLET, IMG, OBJECT %Pixels; #IMPLIED D L 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, INPUT (ismap) #IMPLIED     use server-side image map label OPTION %Text; #IMPLIED     for use in hierarchical menus label OPTGROUP %Text; #REQUIRED     for use in hierarchical menus lang All elements but APPLET, BASE, BASEFONT, BR, FRAME, FRAMESET, IFRAME, PARAM, SCRIPT %LanguageCode; #IMPLIED     language code language SCRIPT CDATA #IMPLIED D L predefined script language name link BODY %Color; #IMPLIED D L color of links longdesc IMG %URI; #IMPLIED     link to long description (complements alt) longdesc FRAME, IFRAME %URI; #IMPLIED   F link to long description (complements title) marginheight FRAME, IFRAME %Pixels; #IMPLIED   F margin height in pixels marginwidth FRAME, IFRAME %Pixels; #IMPLIED   F margin widths in pixels maxlength INPUT NUMBER #IMPLIED     max chars for text fields media STYLE %MediaDesc; #IMPLIED     designed for use with these media media LINK %MediaDesc; #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 BUTTON, TEXTAREA CDATA #IMPLIED       name APPLET CDATA #IMPLIED D L allows applets to find each other name SELECT CDATA #IMPLIED     field name name FORM CDATA #IMPLIED     name of form for scripting name FRAME, IFRAME CDATA #IMPLIED   F name of frame for targetting name IMG CDATA #IMPLIED     name of image for scripting name A CDATA #IMPLIED     named link end name INPUT, OBJECT CDATA #IMPLIED     submit as part of form name MAP CDATA #REQUIRED     for reference by usemap 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   F allow users to resize frames? noshade HR (noshade) #IMPLIED D L   nowrap TD, TH (nowrap) #IMPLIED D L suppress word wrap object APPLET CDATA #IMPLIED D L serialized applet file onblur A, AREA, 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 %Script; #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 %Script; #IMPLIED     a pointer button was double clicked onfocus A, AREA, 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 %Script; #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 %Script; #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 %Script; #IMPLIED     a key was released onload FRAMESET %Script; #IMPLIED   F 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 %Script; #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 %Script; #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 %Script; #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 %Script; #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 %Script; #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   F all the frames have been removed onunload BODY %Script; #IMPLIED     the document has been removed profile HEAD %URI; #IMPLIED     named dictionary of meta info prompt ISINDEX %Text; #IMPLIED D L prompt message readonly TEXTAREA (readonly) #IMPLIED       readonly INPUT (readonly) #IMPLIED     for text and passwd rel A, LINK %LinkTypes; #IMPLIED     forward link types rev A, LINK %LinkTypes; #IMPLIED     reverse link types rows FRAMESET %MultiLengths; #IMPLIED   F list of lengths, default: 100% (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 scope TD, TH %Scope; #IMPLIED     scope covered by header cells scrolling FRAME, IFRAME (yes | no | auto) auto   F scrollbar or none selected OPTION (selected) #IMPLIED       shape AREA %Shape; rect     controls interpretation of coords shape A %Shape; rect     for use with client-side image maps size HR %Pixels; #IMPLIED D L   size FONT CDATA #IMPLIED D L [+|-]nn e.g. size="+1", size="4" size INPUT CDATA #IMPLIED     specific to each type of field size BASEFONT CDATA #REQUIRED D L base font size for FONT elements size SELECT NUMBER #IMPLIED     rows visible span COL NUMBER 1     COL attributes affect N columns span COLGROUP NUMBER 1     default number of columns in group src SCRIPT %URI; #IMPLIED     URI for an external script src INPUT %URI; #IMPLIED     for fields with images src FRAME, IFRAME %URI; #IMPLIED   F source of frame content src IMG %URI; #REQUIRED     URI of image to embed standby OBJECT %Text; #IMPLIED     message to show while loading start OL NUMBER #IMPLIED D L starting sequence number style All elements but BASE, BASEFONT, HEAD, HTML, META, PARAM, SCRIPT, STYLE, TITLE %StyleSheet; #IMPLIED     associated style info summary TABLE %Text; #IMPLIED     purpose/structure for speech output tabindex A, AREA, BUTTON, INPUT, OBJECT, SELECT, TEXTAREA NUMBER #IMPLIED     position in tabbing order target A, AREA, BASE, FORM, LINK %FrameTarget; #IMPLIED   L render in this frame text BODY %Color; #IMPLIED D L document text color title All elements but BASE, BASEFONT, HEAD, HTML, META, PARAM, SCRIPT, TITLE %Text; #IMPLIED     advisory title type A, LINK %ContentType; #IMPLIED     advisory content type type OBJECT %ContentType; #IMPLIED     content type for data type PARAM %ContentType; #IMPLIED     content type for value when valuetype=ref type SCRIPT %ContentType; #REQUIRED     content type of script language type STYLE %ContentType; #REQUIRED     content type of style language type INPUT %InputType; TEXT     what kind of widget is needed type LI %LIStyle; #IMPLIED D L list item style type OL %OLStyle; #IMPLIED D L numbering style type UL %ULStyle; #IMPLIED D L bullet style type BUTTON (button | submit | reset) submit     for use as form button usemap IMG, INPUT, OBJECT %URI; #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 INPUT CDATA #IMPLIED     Specify for radio buttons and checkboxes value OPTION CDATA #IMPLIED     defaults to element content value PARAM CDATA #IMPLIED     property value value BUTTON CDATA #IMPLIED     sent to server when submitted value LI NUMBER #IMPLIED D L reset sequence number valuetype PARAM (DATA | REF | OBJECT) DATA     How to interpret value version HTML CDATA %HTML.Version; D L Constant vlink BODY %Color; #IMPLIED D L color of visited links vspace APPLET, IMG, OBJECT %Pixels; #IMPLIED D L vertical gutter width HR %Length; #IMPLIED D L   width IFRAME %Length; #IMPLIED   L frame width width IMG, OBJECT %Length; #IMPLIED     override width width TABLE %Length; #IMPLIED     table width width TD, TH %Length; #IMPLIED D L width for cell width APPLET %Length; #REQUIRED D L initial width width COL %MultiLength; #IMPLIED     column width specification width COLGROUP %MultiLength; #IMPLIED     default width for enclosed COLs width PRE NUMBER #IMPLIED D L