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Logical &
Physical![]() TAGS | ATTRIBUTES ( Common ) | VALUES ENTITIES INFO | HELP | AUTHOR |
_____ (!DOCTYPE)
Formal name and location of DTD specification.
ABBR (TH)
Provides an abbreviation for a table header cell, if needed.
ACCEPT (FORM)
List of MIME types to accept.
ACCEPT-CHARSET (FORM)
List of supported character sets.
ACCESSKEY (A, AREA, BUTTON, INPUT,
LABEL, LEGEND, TEXTAREA)
Accessibility key character for special browsers for the blind.
ACTION (FORM)
URL to process the server-side form.
ALIGN (APPLET, COL, COLGROUP, DIV,
H1 - H6, HR, IFRAME, IMG, INPUT,
LEGEND, OBJECT, P, TABLE)
Horizontal alignment.
ALIGN (CAPTION)
Location of caption, relative to table.
ALIGN (TBODY, TD, TFOOT, TH, THEAD,
TR)
Horizontal text alignment for the cells in a table.
ALINK (BODY)
Color of active links.
ALT (A SHAPE,APPLET, AREA, IMG,
INPUT, OBJECT)
Short description which should be displayed if browser cannot display the item.
Displayed as tool-tips by many browsers.
ARCHIVE (APPLET, OBJECT)
Associated archive(s).
AXIS (TD, TH)
Comma-separated list of related table headers.
BACKGROUND (BODY, COL, COLGROUP, TABLE,
TBODY, TD, TFOOT, TH, THEAD,
TR)
Image to tile in the background.
BGCOLOR (BODY, TABLE, TD, TH,
TR)
Color to display in the background.
BGPROPERTIES (BODY)
Make background image a watermark (fixed background image with text scrolling
over it).
BORDER (FRAMESET, IMG, OBJECT)
Width of border in pixels.
BORDER (TABLE)
When set equal to a number, it is the width of the table border in pixels.
Used alone, it becomes a flag to display the default table border.
BORDERCOLOR (FRAME, FRAMESET, TABLE)
Color of border.
BORDERCOLORDARK (TABLE)
Color of table border shadow.
BORDERCOLORLIGHT (TABLE)
Color of table border highlight.
CELLPADDING (TABLE)
Spacing within table cells.
CELLSPACING (TABLE)
Spacing between table cells.
CHAR (COL, COLGROUP, TBODY, TD,
TFOOT, TH, THEAD, TR)
Alignment character used to line up the decimals (for example) in a column
of numbers.
CHAROFF (COL, COLGROUP, TBODY, TD,
TFOOT, TH, THEAD, TR)
Flag to override the character alignment previously set.
CHARSET (A, LINK, SCRIPT)
Character encoding of the linked resource.
CHECKED (INPUT TYPE="checkbox", INPUT TYPE="radio")
Flag to indicate the starting condition of checkboxes and radiobuttons
in a form.
CITE (BLOCKQUOTE, Q)
URL of quoted source.
CITE (DEL, INS)
URL of comments explaining changes.
CLASS (All elements that take core attributes)
Class(es) of style for display purposes.
CLASSID (OBJECT)
URL of object class.
CLEAR (BR)
Edge(s) to be cleared with line break.
CODE (APPLET)
Applet class file.
CODEBASE (APPLET)
Optional base URL for applet.
CODEBASE (OBJECT)
Base URL for CLASSID, DATA, and ARCHIVE attributes.
CODETYPE (OBJECT)
Content type for object code.
COLOR (BASEFONT, FONT)
Text color.
COLS (FRAMESET)
List of column lengths.
COLS (TEXTAREA)
Width of TEXTAREA box, in characters.
COLSPAN (TD, TH)
Number of columns spanned by table cell.
COMPACT (DIR, DL, MENU, OL, UL)
Flag indicating to reduce interim spacing in a list.
CONTENT (META)
Brief information about the current document (200 characters or less).
COORDS (A, AREA)
Set of coordinates for defining regions of an image map.
DATA (OBJECT)
URL of object's data.
DATETIME (DEL, INS)
Date and time of change.
DECLARE (OBJECT)
Flag to declare but not instantiate object.
DEFER (SCRIPT)
Defer execution of script.
DIR (BDO, and all elements that take the DIR attribute)
Direction of text.
DISABLED (BUTTON, INPUT, OPTGROUP, OPTION,
SELECT, TEXTAREA)
Flag to indicate that the choice is unavailable in this context.
DYNSRC (IMG)
URL of a movie file.
ENCTYPE (FORM)
Type of encoding for form submission.
FACE (BASEFONT, FONT)
Preferred font names in order of preference.
FOR (LABEL)
Declare field ID.
FRAME (TABLE)
Indicate which parts of table frame to display.
FRAMEBORDER (FRAME, FRAMESET, IFRAME)
Indicate if border of frame is to be displayed.
FRAMESPACING (FRAMESET)
Spacing between frames.
HEADERS (TD, TH)
Related ID(s) of header cell.
HEIGHT (APPLET, EMBED, IFRAME, IMG,
OBJECT, TD, TH)
Vertical height, in pixels.
HREF (A, AREA, LINK)
URL of linked resource.
HREF (BASE)
Base URL, used for reconstructing partial links.
HREFLANG (A, LINK)
Language code of linked resource.
HSPACE (APPLET, IMG, OBJECT)
Width of horizontal gutter.
HTML (!DOCTYPE)
Flag that declares document to be written in HTML.
HTTP-EQUIV (IMG, META, OBJECT)
Name of HTTP response header. See also META
NAME for more options.
ID (All elements that take core attributes)
Document-wide unique ID, used by scripts and anchors.
INFINTE (BGSOUND)
Flag causing background sound to repeat infinitely and annoy your visitors.
ISMAP (IMG, INPUT TYPE="button")
Flag to indicate that the image is an image map.
LABEL (OPTGROUP, OPTION)
For use in hierarchical menus.
LANG (All elements that take the LANG attribute)
Language code.
LANGUAGE (SCRIPT)
Declare scripting language name.
LINK (BODY)
Color of links.
LONGDESC (FRAME, IFRAME, IMG)
URL containing long description of item.
LOOP (BGSOUND, IMG)
Number of times to repeat sound or animation and thereby annoy your visitors.
LOWSRC (IMG)
URL of low-resolution image to load first and display while loading the regular image.
MARGINHEIGHT (FRAME, IFRAME)
Vertical size of margin.
MARGINWIDTH (FRAME, IFRAME)
Horizontal size of margin.
MAXLENGTH (INPUT TYPE="text", INPUT TYPE="file",
INPUT TYPE="password")
Maximum number of characters permitted in form field.
MEDIA (LINK, STYLE)
Associated media type.
METHOD (FORM)
HTTP method used to submit this form.
MULTIPLE (SELECT)
Flag to allow multiple options to be selected.
NAME (A)
Document-wide unique anchor ID, referred to in linking.
NAME (APPLET, FORM, IMG, OBJECT)
Name used in scripting.
NAME (BUTTON, INPUT, SELECT, TEXTAREA)
Name of form field, passed to server when submitted. Paired with user's responses.
NAME (FRAME, IFRAME)
Name of frame, used in targetting.
NAME (MAP)
Name of client-side image map, referred to by USEMAP attribute.
NAME (META, PARAM)
Name of property or information.
NOHREF (A SHAPE, AREA)
Flag to indicate that this region of the image map has no associated link.
NORESIZE (FRAME)
Flag indicating that user cannot adjust frame size. Potential problem for the
visually impaired (who use very large fonts).
NOSHADE (HR)
Flag to render horizontal rule without 3-D engraved look.
NOWRAP (TD, TH)
Flag to render cell contents without word wrapping. Beware of accidentally
creating incredibly huge tables.
OBJECT (APPLET)
URL of script / program.
ONBLUR (A, AREA, BUTTON, INPUT,
LABEL, SELECT, TEXTAREA)
URL of script to run when the element loses the focus.
ONCHANGE (INPUT, SELECT, TEXTAREA)
URL of script to run when the value of this field is changed.
ONCLICK (All elements that take event attributes)
URL of script to run when pointer is clicked over this element.
ONDBLCLICK (All elements that take event attributes)
URL of script to run when pointer is double-clicked over this element.
ONFOCUS (A, AREA, BUTTON, INPUT,
LABEL, SELECT, TEXTAREA)
URL of script to run when this element gets the focus.
ONKEYDOWN (All elements that take event attributes)
URL of script to run when this element is in focus and a key is pressed.
ONKEYPRESS (All elements that take event attributes)
URL of script to run when this element is in focus and a key is pressed and released.
ONKEYUP (All elements that take event attributes)
URL of script to run when this element is in focus and a key is released.
ONLOAD (BODY)
URL of script to run when document has finished loading.
ONLOAD (FRAMESET)
URL of script to run when all the frames have finished loading.
ONMOUSEDOWN (All elements that take event attributes)
URL of script to run when mouse button is pressed over this element.
ONMOUSEMOVE (All elements that take event attributes)
URL of script to run when this element is in focus and the mouse is moved.
ONMOUSEOUT (All elements that take event attributes)
URL of script to run when mouse is moved away from this element.
ONMOUSEOVER (All elements that take event attributes)
URL of script to run when mouse is moved over this element.
ONMOUSEUP (All elements that take event attributes)
URL of script to run when mouse button is released over this element.
ONRESET (FORM)
URL of script to run when the form is reset.
ONSELECT (INPUT, TEXTAREA)
URL of script to run when some text is selected in the form field.
ONSUBMIT (FORM)
URL of script to run when the form is submitted.
POINT-SIZE (FONT)
Point size of font.
PROMPT (HEAD)
URL of named dictionary of metainformation.
PROMPT (ISINDEX)
Prompt message for searchable database.
PUBLIC (!DOCTYPE)
Flag declares that the HTML DTD for this document is available to the public (?).
READONLY (INPUT TYPE="password", INPUT TYPE="text",
TEXTAREA)
Flags field to prevent user changes.
REL (A, LINK)
Relationship of link to current document.
REV (A, LINK)
Relationship of current document to link.
ROWS (FRAMESET)
Lengths to divide screen into rows of frames.
ROWS (TEXTAREA)
Height of TEXTAREA box, in rows of characters.
ROWSPAN (TD, TH)
Number of rows spanned by table cell.
RULES (TABLE)
Rulings to display between table rows and columns.
SCHEME (META)
Select form of content.
SCOPE (TD, TH)
Scope of cells to which heading refers.
SCROLLING (FRAME, IFRAME)
Allow frame scrolling or not.
SELECTED (OPTION)
Flag to indicate that the option is initally selected.
SHAPE (A, AREA)
Shape for interpretation of COORDS attribute to define a region in an image map.
SIZE (BASEFONT, FONT)
Explicit or relative size of font.
SIZE (HR)
Thickness of horizontal rule, in pixels.
SIZE (INPUT TYPE="file", INPUT TYPE="password",
INPUT TYPE="text")
Number of characters wide that the form field should display.
SIZE (SELECT)
Number of options to remain visible on a pull-down menu.
SPAN (COL, COLGROUP)
Number of columns for attributes to affect.
SRC (BGSOUND, EMBED, FRAME, IFRAME,
IMG, INPUT TYPE="button", LINK, SCRIPT)
URL of associated file.
STANDBY (OBJECT)
Message to display while object is loading.
START (IMG)
Seconds to delay image animation (?).
START (OL)
Starting number for ordered list.
STYLE (All elements that take core attributes)
URL of associated style sheet.
SUMMARY (TABLE)
Purpose and structure of table for use with speech browsers.
TABINDEX (A, AREA, BUTTON, INPUT,
OBJECT, SELECT, TEXTAREA)
Order in which to focus by pressing the tab key.
TARGET (A, AREA, BASE, FORM, LINK)
Frame in which to display associated document.
TEXT (BODY)
Default color for document text.
TID (TD, TH)
Cell 'ID', for use with HEADERS and SCOPE attributes.
TITLE (All elements that take the TITLE attribute)
Advisory title.
TYPE (A, LINK, OBJECT)
Content type for linked resource.
TYPE (BUTTON)
Type of form button.
TYPE (INPUT)
Type of form field.
TYPE (LI, OL, UL)
List item style.
TYPE (PARAM)
Content type for value when VALUETYPE="ref".
TYPE (SCRIPT, STYLE)
Type of language used in associated file.
USEMAP (IMG, INPUT, OBJECT)
Name of client-side image map to use.
VALIGN (COL, COLGROUP, TBODY, TD,
TFOOT, TH, THEAD, TR)
Vertical alignment of associated table cells.
VALUE (BUTTON, INPUT TYPE="button",
INPUT TYPE="checkbox", INPUT TYPE="radio", OPTION)
Value to be submitted with form.
VALUE (INPUT TYPE="password", INPUT TYPE="text")
Initial value of form field.
VALUE (INPUT TYPE="reset", INPUT TYPE="submit")
Button label.
VALUE (LI)
Override sequence number for this and all subsequent list items.
VALUE (PARAM)
Property value.
VALUETYPE (PARAM)
Type indicating how to interpret parameter value.
VERSION (HTML)
Version of HTML used to construct current document. Use !DOCTYPE tag instead.
VLINK (BODY)
Color of visited links.
VSPACE (APPLET, IMG, OBJECT)
Vertical size of gutter.
WEIGHT (FONT)
Weight of font to use. Not supported by all browsers.
WIDTH (APPLET)
Initial width of applet window.
WIDTH (COL, COLGROUP)
Width of associated table columns.
WIDTH (EMBED, IMG, OBJECT)
Forced width of an embedded object / image.
WIDTH (HR, TABLE)
Width in pixels or as a percentage of screen width.
WIDTH (IFRAME)
Width of in-line frame.
WIDTH (PRE)
Width of pre-formatted text, in characters. Not supported by all browsers.
WIDTH (TD, TH)
Width of table cell in pixels or as a percentage of table width.
WRAP (TEXTAREA)
Text wrapping style.
All elements except: !DOCTYPE, APPLET, BASE, BASEFONT, BGSOUND, BR, FRAME, FRAMESET, HEAD, HTML, IFRAME, LINK, META, PARAM, and SCRIPT.
All elements except: !DOCTYPE, APPLET, BASE, BASEFONT, BDO, BGSOUND, BODY, BR, FRAME, FRAMESET, HEAD, HTML, IFRAME, PARAM, and SCRIPT.
All elements except: !DOCTYPE, BASE, BASEFONT, BODY, HEAD, HTML, ISINDEX, META, PARAM, SCRIPT, and TITLE.
All elements except: !DOCTYPE, BASE, BASEFONT, BODY, HEAD, HTML, ISINDEX, LINK, META, PARAM, SCRIPT, STYLE, and TITLE.
All elements except: !DOCTYPE, APPLET, BASE, BASEFONT, BDO, BODY, BR, FONT, FRAME, FRAMESET, HEAD, HTML, IFRAME, ISINDEX, LINK, META, PARAM, SCRIPT, STYLE, TITLE.
align = { left | center | right }
alignj = { left | center | right | justify }
buttontype = { submit | reset | button }
CAlign = { top | bottom | left | right }
Character = ( single character )
Charset = ( See Charset list. )
Charsets = ( space-separated list of Charsets. )
clear = { none | left | all | right }
Color = { #(RRGGBB) | black | gray | silver | white | maroon | red | purple | fuchsia | green | lime | olive | yellow |
navy | blue | teal | aqua }
... for red, green, and blue codes: FF=100%, CC=80%, 99=60%, 66=40%, 33=20%, 00=0%.
See also the WDG Color Chart.
ContentType = ( See ContentType list. )
Coords = [ CIRCLE: (Xcenter,Ycenter,radius) | RECT: (Xleft,Ytop,Xright,Ybottom) | POLY: (X1,Y1,X2,Y2,X3,Y3,...) ]
Datetime = [ (YYYY)-(MM)-(DD)T(hh):(mm):(ss)(TZD)]
dir = { ltr | rtl }
DTD = { "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3/org/TR/html4/loose.dtd" | "-//W3C//DTD HTML 4.0//EN" "http://www.w3/org/TR/html4/strict.dtd"}
EncType = ( See EncType list. )
entity = { #(isocode) | lt | gt | amp | quot | reg | copy | nbsp | (many others) }
framediv = { (pixels) | (% of screen) }
FrameTarget = { (customname) | _blank | _self | _parent | _top }
... special targets are respectively: new window, current window, parent window, and escape frames in current browser.
http-equiv = { Content-Type | Content-Script-Type | Content-Style-Type | reply-to | expires | refresh }
ialign = { top | middle | bottom | left | right | absmiddle | baseline | absbottom }
InputType = { text | password | checkbox | radio | file | button | image | hidden | reset | submit }
LAlign = { top | bottom | left | right }
LanguageCode = ( See LanguageCode list. )
Length = { (pixels) | (% of screen) }
lengthc = { (pixels) | (% of cell) }
lengthr = { (pixels) | (% of table) | (relative width)* }
LinkTypes = { Alternate | Stylesheet | Start | Next | Prev | Previous | Contents | ToC | Index | Glossary | Copyright | Chapter | Section | Subsection | Appendix | Help | Bookmark | (custom type) }
LIStyle = { OL: { 1 | A | a | I | i } | UL: { disc | circle | square} }
MediaDesc = { all | screen | tty | tv | projection | handheld | print | braille | aural }
metavalues = { comma-separated list of { index | noindex | follow | nofollow | all | none } ALL=index,follow, NONE=noindex, nofollow.
method = { get | post }
MultiLength = { (pixels) | (% of screen/table) | (relative width)* }
MultiLengths = ( comma-separated list of { (pixels) | (% of screen/table) | (relative width)* } . )
name = { keywords | description | author | reply-to | expires | refresh | Content-Type | Content-Script-Type | Content-Style-Type | (custom field) } Capitalized items can be used with HTTP-EQUIV instead.
OLStyle = { A | a | I | i | 1 }
scope = ( # of columns spanned )
scrolling = { yes | auto | no }
Shape = { rect | circle | poly | default }
size = { 1 | 2 | 3 | 4 | 5 | 6 | 7 }
sizer = { 1 | 2 | 3 | 4 | 5 | 6 | 7 | -6 | -5 | -4 | -3 | -2 | -1 | +1 | +2 | +3 | +4 | +5 | +6 }
StyleSheet = ( style sheet URL )
tabindex = ( positive integer )
talign = { left | center | right | justify | char }
TFrame = { void | above | below | hsides | lhs | rhs | vsides | box | border }
TRules = { none | groups | rows | cols | all }
type = { button | reset | submit }
ULStyle = { disc | circle | square }
valign = { top | middle | bottom | baseline }
valuetype = { data | ref | object }
version = { 1.0 | 2.0 | 3.0 | 3.2 | 4.0 }
width = { (pixels) | (% of screen) }
widtht = { (pixels) | (% of table) }
wrap = { off | hard | soft }
yn = { yes | no }
![]() |
HEAD |
BODY |
Forms |
Frames |
Images |
Layout |
Links |
Lists |
Tables |
Text:
Logical &
Physical![]() TAGS | ATTRIBUTES ( Common ) | VALUES ENTITIES INFO | HELP | AUTHOR |