Splash - Computer - Programmazione - Html

www.splash.it

Splash > Computer > Programmazione > Html > Tag

Categorie

Link

Splash

Latino | Sicilia | Tattoo | Cartoline | Dizionario

Tag Html

comment
A
ADDRESS
AREA
B
BASE
BASEFONT
BGSOUND
BIG
BLINK
BLOCKQUOTE

BODY
BQ
BR
CAPTION
CENTER
CITE
CODE
DD
DFN
DIR
DIV

DL
DT
EM
EMBED
FONT
FORM
FRAME
FRAMESET
H1..H6
HEAD
HR

HTML
I
IMG
INPUT
ISINDEX
KBD
LI
LINK
LISTING
MAP
MENU

META
NOBR
NOFRAMES
OBJECT
OL
OPTION
P
PARAM
PRE
S
SAMP

SCRIPT
SELECT
SMALL
STRIKE
STRONG
STYLE
SUB
SUP
TABLE
TD
TEXTAREA

TH
TITLE
TR
TT
U
UL
VAR
WBR
XMP

Functional overview

Document structure
HTML	HTML document
HEAD	document head
BODY	document body
FRAMESET	window subdivision
FRAME	embed other document
NOFRAMES	window subdivision
comment	HTML comments

Text structuring
Hn	headings
DIV	division
CENTER	centered division
P	paragraphs
BR	line break
PRE	preformatted text
HR	horizontal rule

Document header
TITLE	document title
META	meta information, client pull
LINK	related resources
SCRIPT	script statements
STYLE	style information

Physical text styles
B	bold
BIG	large font
I	italics
SMALL	small font
S, STRIKE	strikethrough
SUB	subscript
SUP	superscript
TT	fixed width
U	underlined
BASEFONT	set base font size
FONT	change font size or colour
BLINK	blinking text
NOBR	inhibit line breaks
WBR	soft word break

Logical text styles
ADDRESS	address
BQ, BLOCKQUOTE	long quotation
CITE	citation
CODE	code sample
DFN	definition
EM	emphasized
KBD	keyboard input
SAMP	sample output
STRONG	strong emphasis
VAR	variables

Links and multimedia
A	hypertext link
IMG	inlined image
MAP	client-side image map
AREA	client-side image map area
BGSOUND	background sound
OBJECT	inlined object
PARAM	parameters for object
EMBED	inlined object

Lists
OL	ordered (numbered) list
UL	unordered list
LI	list item
DIR	directory list
MENU	menu list
DL	definition list
DT	term
DD	definition

Tables
TABLE	table
CAPTION	table caption
TD	table cell
TH	table header cell
TR	table row

Fill-in forms
ISINDEX	one-line index form
FORM	form
INPUT	form field
SELECT	selection field
OPTION	option in a selection field
TEXTAREA	multi-line text entry field

Tags

The Mode column in the tables below contains the HTML mode that recognizes the tag or attribute. Elements recognized in strict mode will also be recognized in tolerant mode, but elements marked as tolerant will not be recognized in strict mode.

comment

Tag

Explanation

Mode

Includes a comment in the HTML source. Any text or tags within the comment are ignored by the browser.

Strict

<!--comment-- [--comment--] >

The correct format of a HTML comment construct:

The comment starts with <!--
Any number of characters not containing --
The first comment is terminated by --
Optional whitespace (spaces, newlines)
Either another comment starting with --, continue with step 2
or the terminating >

So this is a correct comment:

<!--This is a comment-- -->this<- is another comment-- >

But this is not:

<!--This is a comment---->

(The second comment was started but never ended).

Strict

<!--comment->

An incorrect comment format, unfortunately used on many pages. The comment is terminated by the first -> found.

Compatible

A

Tag Explanation Mode

<A> ... </A> Hyperlink anchor, specifies either a link to another location, or a named location within a page. Strict

Attribute Explanation Mode

COORDS="nn,nn,nn,..."

Can only appear within a OBJECT element
Lists the coordinates that describe the hot area of the object. The number of coordinates depends on the shape:

SHAPE	COORDS
RECT	needs 4 coordinates: x,y of upper left and x,y of bottom right corners if the rectangle
CIRC	needs 3 coordinates: x,y of the center of the circle and a radius
POLY	needs at least 3 pairs of x,y coordinates of the corners of the polygon
DEFAULT	no coordinates are needed for default

Tolerant (HTML 3.0)

HREF="url"

Specifies a destination for the hyperlink. "url" can be one of the following:

Full URL: a fully specified (absolute) URL, like http://www.amitrix.com/index.html
Filename: a filename (or path with filename). This specifies a location relative to the address of the page (but see BASE).
#name: the name of a location in the same page

Strict

NAME="name" Defines a name in this page. You can point directly to this name using an anchor with HREF="url#name" Strict

SHAPE=RECT
SHAPE=CIRC
SHAPE=POLY
SHAPE=DEFAULT

Can only appear within a OBJECT element
Specifies the shape of the hot area of the object. Instead of the 4-letter abbreviations, the full words may be used (RECTANGLE, CIRCLE, POLYGON).

DEFAULT becomes active if no other area was selected.

Tolerant (HTML 3.0)

TARGET="name"

The name of the frame where to display the document linked to. If the name does not exist, a new window will be opened.

The following magic names, beginning with an underscore character, are recognized:

_blank The document is displayed in a new window.
_self Target is the same window or frame that the anchor appears in. This is the default, unless overridden by the BASE tag.
_parent Target is the window or frame containing the frame that contains the anchor.
_top Target is the entire browser window.

Tolerant (NS)

TITLE="title" Defines the title to show when the mouse is over the hyperlink. By default the URL of the destination is shown. Strict

ADDRESS

Tag	Explanation	Mode
<ADDRESS> ... </ADDRESS>	Specifies a (mail) address. Typically rendered in italics.	Strict

AREA

Tag

Explanation

Mode

<AREA>

Can only appear within a MAP element
Specifies a hot area with a client-side image map.

Strict

Attribute

Explanation

Mode

COORDS="nn,nn,nn,..."

Lists the coordinates that describe this area. The number of coordinates depends on the shape:

SHAPE	COORDS
RECT	needs 4 coordinates: x,y of upper left and x,y of bottom right corners if the rectangle
CIRC	needs 3 coordinates: x,y of the center of the circle and a radius
POLY	needs at least 3 pairs of x,y coordinates of the corners of the polygon
DEFAULT	no coordinates are needed for default

Strict

HREF="url"

Specifies the URL that this area of the map links to.

Strict

NOHREF

Specifies that this area does not link to an URL.

Strict

SHAPE=RECT
SHAPE=CIRC
SHAPE=POLY
SHAPE=DEFAULT

Specifies the shape of the hot area. Instead of the 4-letter abbreviations, the full words may be used (RECTANGLE, CIRCLE, POLYGON).

DEFAULT becomes active if no other area was selected.

Strict

B

Tag	Explanation	Mode
<B> ... </B>	Renders text in bold. Usually it is better to use one of the logical styles (like STRONG) instead of phisycal styles like B.	Strict

BASE

Tag	Explanation	Mode
<BASE>	Can only appear within a HEAD element Defines the base URL for this page. The base URL is the address to use when resolving relative URL references (partial URLs). By default the base URL is the page's address.	Strict
Attribute	Explanation	Mode
HREF="url"	Specifies the URL to use as the base	Strict
TARGET="name"	The name of the frame where to display documents linked to by A hyperlink anchors. See A for details.	Tolerant (NS)

BASEFONT

Tag	Explanation	Mode
<BASEFONT>	Sets the size normal text is rendered in, and that relative FONT sizes refer to.	Tolerant (NS)
Attribute	Explanation	Mode
SIZE=nn	Specifies the font size. Valid sizes are 1 to 7. Default size is 3.	Tolerant (NS)

BGSOUND

Tag	Explanation	Mode
<BGSOUND>	Defines a sound to play when this page is displayed.	Tolerant (MS)
Attribute	Explanation	Mode
SRC="url"	Specifies the URL where the sound can be found.	Tolerant (MS)
LOOP=n LOOP=INFINITE	The number of times the sound should be played. If the number is negative, or if "INFINITE" is given, the sound will be repeated forever while the page is being displayed.	Tolerant (MS)

BIG

Tag	Explanation	Mode
<BIG> ... </BIG>	Renders text in a large font.	Strict

BLINK

Tag	Explanation	Mode
<BLINK> ... </BLINK>	Specifies blinking text.	Tolerant (NS)

BQ or BLOCKQUOTE

Tag	Explanation	Mode
<BQ> ... </BQ> <BLOCKQUOTE> ... </BLOCKQUOTE>	Specifies a text as long quotation. Typically rendered in italics.	Strict

BODY

Tag	Explanation	Mode
<BODY> ... </BODY>	Specifies the body if an HTML document. Each HTML document must have exactly 1 body or FRAMESET element.	Strict
Attribute	Explanation	Mode
BACKGROUND="url"	Specifies a background image. The image is tiled in the background of the page.	Strict
BGCOLOR=#rrggbb BGCOLOR=colourname	Specifies the pages background colour if no background image is given, or the background image is not (yet) loaded. See colour specifications for a list of valid names.	Strict
TEXT=#rrggbb TEXT=colourname	Specifies colour to render normal text in. See colour specifications for a list of valid names.	Strict
LINK=#rrggbb LINK=colourname	Specifies colour to render unvisited hyperlinks in. See colour specifications for a list of valid names.	Strict
VLINK=#rrggbb VLINK=colourname	Specifies colour to render already visited hyperlinks in. See colour specifications for a list of valid names.	Strict
ALINK=#rrggbb ALINK=colourname	Specifies colour to render selected (highlighted) hyperlinks in. See colour specifications for a list of valid names.	Strict
TOPMARGIN=nn LEFTMARGIN=nn	Specifies the top (and bottom) margin, or the left (and right) margin in pixels. This overrides the default margins.	Tolerant (MS)

BR

Tag	Explanation	Mode
<BR>	Specifies a line break.	Strict
Attribute	Explanation	Mode
CLEAR=LEFT CLEAR=RIGHT CLEAR=ALL	Places the following text after left aligned, right aligned or all floating images.	Strict

CAPTION

Tag	Explanation	Mode
<CAPTION> ... </CAPTION>	Can only appear within a TABLE element Specifies a caption for a table.	Strict
Attribute	Explanation	Mode
ALIGN=TOP ALIGN=BOTTOM	Specifies whether the caption should appear above the table (ALIGN=TOP) or below the table (ALIGN=BOTTOM).	Strict
ALIGN=LEFT ALIGN=CENTER ALIGN=RIGHT	Specifies the alignment of the caption relative to the table width.	Tolerant (MS)
VALIGN=TOP VALIGN=BOTTOM	Specifies whether the caption should appear above the table (VALIGN=TOP) or below the table (VALIGN=BOTTOM).	Tolerant (MS)

CENTER

Tag	Explanation	Mode
<CENTER> ... </CENTER>	Renders text and other elements centered within the window width. Is a shorthand notation for <DIV ALIGN=CENTER>	Strict

CITE

Tag	Explanation	Mode
<CITE> ... </CITE>	Specifies a citation. Typically rendered in italics.	Strict

CODE

Tag	Explanation	Mode
<CODE> ... </CODE>	Specifies a short code sample. Typically rendered in a fixed width font.	Strict

DD

Tag	Explanation	Mode
<DD>	Can only appear within a DL element Specifies a description in a definition list. The description is rendered indented.	Strict

DFN

Tag	Explanation	Mode
<DFN> ... </DFN>	Specifies a definition. Typically rendered in italics.	Strict

DIR

Tag	Explanation	Mode
<DIR> ... </DIR>	Specifies a directory list.	Strict

DIV

Tag	Explanation	Mode
<DIV> ... </DIV>	Specifies a division of the document for aligning purposes.	Strict
Attribute	Explanation	Mode
ALIGN=LEFT ALIGN=CENTER ALIGN=RIGHT	Renders the text and other elements within the division left aligned, centered within the window width, or right aligned with the window border=0 bgcolor="FFFFC1".	Strict

DL

Tag	Explanation	Mode
<DL> ... </DL>	Specifies a definition list. Each entry in the list contains one or more DT elements to specify the term, and one DD element that contains the desciption of that term	Strict

DT

Tag	Explanation	Mode
<DT>	Can only appear within a DL element Specifies a term in a definition list. The term is rendered non-indented as opposed to the definition of the term.	Strict

EM

Tag	Explanation	Mode
<EM> ... </EM>	Specifies emphasized text. Typically rendered in italics.	Strict

EMBED

Tag	Explanation	Mode
<EMBED> ... </EMBED>	Specifies an embedded object to display inlined with the text. The OBJECT element should be used instead because it offers more flexibility.	Tolerant (NS)
Attribute	Explanation	Mode
HEIGHT=nn WIDTH=nn	Specifies the height and the width of the object in pixels.	Tolerant (NS)
NAME="name"	Specifies a name for the object.	Tolerant (NS)
SRC="url"	Specifies the address of the object. See A for details.	Tolerant (NS)
name=value	All other attributes are passed as (name, value) pairs to the object.	Tolerant (NS)

FONT

Tag	Explanation	Mode
<FONT> ... </FONT>	Specifies a change in font size or colour.	Strict
Attribute	Explanation	Mode
COLOR=#rrggbb COLOR=colourname	Specifies the colour to render the text in. See colour specifications for a list of valid names.	Strict
SIZE=nn SIZE=+nn SIZE=-nn	Specifies the font size. If `nn` is given, it is an absolute size. Valid sizes are 1 to 7, 1 being the smallest and 7 the largest. If `+nn` or `-nn` is given, it is a change relative to the current BASEFONT or Hn size. Valid range is -6 to +6, but the resulting font size will be adjusted to fall within the range 1 to 7. Note that relative font size changes are not cumulative.	Strict

FORM

Tag	Explanation	Mode
<FORM> ... </FORM>	Specifies a fill-in form. The form should contain one or more INPUT, SELECT or TEXTAREA elements that define the form fields.	Strict
Attribute	Explanation	Mode
ACTION="url"	Specifies the address to be used to carry out the form's action. Default is the form's address.	Strict
METHOD=GET METHOD=POST	Specifies how the form data should be sent to the action address. METHOD=GET includes the arguments in a URL. METHOD=POST sends the data using a HTTP post transaction.	Strict

FRAME

Tag

Explanation

Mode

<FRAME>

Embeds another document in a HTML document.

This element is most commonly used within a FRAMESET element. It can also be used to create an embedded object in a HTML document, much like the IMG tag does.

Tolerant (NS)

Attribute

Explanation

Mode

ALIGN=TOP
ALIGN=MIDDLE
ALIGN=BOTTOM

Only valid when used as embedded object.
Specifies how the frame should be aligned with the text:

ALIGN	Meaning
TOP	the top of the frame aligns with the top of the tallest element in the line
MIDDLE	the middle of the frame aligns with the text baseline
BOTTOM	the bottom of the frame aligns with the text baseline

Tolerant (MS)

ALIGN=LEFT
ALIGN=RIGHT

Only valid when used as embedded object.
Specifies that the frame is a floating frame. It is flushed to the current left or right margin, and the text will flow around it.

Tolerant (MS)

border=0 bgcolor="FFFFC1"=YES
border=0 bgcolor="FFFFC1"=NO

Specifies if the frame should have a border=0 bgcolor="FFFFC1" or not. See also the FRAMEborder=0 bgcolor="FFFFC1" attribute.

Tolerant (NS)

FRAMEborder=0 bgcolor="FFFFC1"=nn

Specifies the thickness of the border=0 bgcolor="FFFFC1" around the frame. FRAMEborder=0 bgcolor="FFFFC1"=0 means no border=0 bgcolor="FFFFC1".

Tolerant (MS)

HEIGHT=nn
HEIGHT=nn%

Only valid when used as embedded object.
Specifies the height of the frame in pixels or as a percentage of the window height.

Tolerant (MS)

HSPACE=nn
VSPACE=nn

Only valid when used as embedded object.
Specifies a margin around the frame for floating frames. Without margin the text will be placed directly adjacent to the frame.

Tolerant (MS)

MARGINHEIGHT=nn
MARGINWIDTH=nn

Specifies the vertical and horizontal margins around the contents within the frame, in pixels.

Tolerant (NS)

NAME="name"

Gives the frame a name. This name can be used in the TARGET attribute of the A and BASE tags.

Names must begin with an alphanumeric character.

Tolerant (NS)

NORESIZE=YES
NORESIZE=NO

Specifies if the frame can be resized by the user. NORESIZE=YES means the frame has a fixed size, NORESIZE=NO (the default) means the frame can be resized.

Tolerant (NS)

SCROLLING=YES
SCROLLING=NO
SCROLLING=AUTO

Specifies if scrollers are allowed for this frame. If scrollers are allowed, they are only displayed if the contents doesn't fit entirely in the frame. If not allowed, no scrollers will be displayed even if the document doesn't fit.

Default is to allow scrollers. AUTO is a synonym for YES.

Tolerant (NS)

SRC="url"

Specifies the address of the document to display in the frame. See A for details.

Tolerant (NS)

WIDTH=nn
WIDTH=nn%

Only valid when used as embedded object.
Specifies the width of the frame in pixels or as a percentage of the window width.

Tolerant (MS)

FRAMESET

Tag

Explanation

Mode

Subdivides the browser window in two or more subwindows.

The FRAMESET element should contain one or more FRAME elements that define the documents to display in the subwindows. Other FRAMESET elements may be included to achieve a more complex subdivision.

A document containing a FRAMESET element should not contain a BODY. For compatibility with browsers that don't support frames, a NOFRAMES element may be included in the document.

Tolerant (NS)

Attribute

Explanation

Mode

border=0 bgcolor="FFFFC1"=YES
border=0 bgcolor="FFFFC1"=NO

Specifies if the included frames should have border=0 bgcolor="FFFFC1"s or not. See also the FRAMEborder=0 bgcolor="FFFFC1" attribute.

Tolerant (NS)

COLS="spec,spec,..."

Specifies the way the frameset should be divided into columns. Each "spec" can be one of the following:

n	width of the column in number of pixels.
n%	width of the column as percentage of the window width.
n*	relative width of the remaining columns. The remainder of the window will be divided over these columns. The number may be omitted.

Tolerant (NS)

FRAMEborder=0 bgcolor="FFFFC1"=nn

Default thickness for the border=0 bgcolor="FFFFC1"s of the included frames, in pixels. FRAMEborder=0 bgcolor="FFFFC1"=0 means no border=0 bgcolor="FFFFC1"s.

Tolerant (MS)

FRAMESPACING=nn

Spacing between the included frames, in pixels.

Tolerant (MS)

ROWS="spec,spec,..."

Specifies the way the frameset should be divided into rows. Each "spec" can be one of the following:

n	height of the row in number of pixels.
n%	height of the row as percentage of the window height.
n*	relative height of the remaining rows. The remainder of the window will be divided over these rows. The number may be omitted.

Tolerant (NS)

H1..H6

Tag	Explanation	Mode
<H1> ... </H1> : <H6> ... </H6>	Specifies a heading. There are six levels of heading that may be rendered in different fonts, sizes and styles. H1 is the most important heading, H6 the least important.	Strict
Attribute	Explanation	Mode
ALIGN=LEFT ALIGN=CENTER ALIGN=RIGHT	Specifies the horizontal position of the header in the window.	Strict

HEAD

Tag	Explanation	Mode
<HEAD> ... </HEAD>	Specifies the document header section. This section contains meta-information about the document, like the TITLE. Each HTML document must have exactly 1 HEAD.	Strict

HR

Tag	Explanation	Mode
<HR>	Renders a horizontal rule.	Strict
Attribute	Explanation	Mode
ALIGN=LEFT ALIGN=CENTER ALIGN=RIGHT	Specifies the location where to render a short rule in the window. Default is centered within the window width.	Strict
NOSHADE	Renders the rule as a solid line or block, with no 3-d effects.	Strict
SIZE=nn	Specifies the vertical size of the ruler, measured in pixels. Default is 2 pixels.	Strict
WIDTH=nn% WIDTH=nn	Specifies the width of the ruler, either in a percentage of the window width, or as a number of pixels. Default is a width of 100%.	Strict
COLOR=#rrggbb COLOR=colourname	Specifies the colour to render the rule in. This attribute implies the NOSHADE attribute. See colour specifications for a list of valid names.	Tolerant (MS)

HTML

Tag	Explanation	Mode
<HTML> ... </HTML>	Specifies a HTML document. Each HTML document must begin with <HTML> and end with </HTML>.	Strict

I

Tag	Explanation	Mode
<I> ... </I>	Renders text in italics. Usually it is better to use one of the logical styles (like EM) instead of phisycal styles like I.	Strict

IMG

Tag

Explanation

Mode

<IMG>

Specifies an image to be displayed inlined with the text.

Strict

Attribute

Explanation

Mode

ALIGN=TOP
ALIGN=MIDDLE
ALIGN=BOTTOM

Specifies how the image should be aligned with the text:

ALIGN	Meaning
TOP	the top of the image aligns with the top of the tallest element in the line
MIDDLE	the middle of the image aligns with the text baseline
BOTTOM	the bottom of the image aligns with the text baseline

Strict

ALIGN=LEFT
ALIGN=RIGHT

Specifies that the image is a floating image. It is flushed to the current left or right margin, and the text will flow around it.

Strict

ALT="text"

Specifies the text to be displayed when the image isn't loaded (yet).

Strict

border=0 bgcolor="FFFFC1"=nn

Specifies the thickness of the border=0 bgcolor="FFFFC1" if the image is a link. border=0 bgcolor="FFFFC1"=0 means no border=0 bgcolor="FFFFC1".

Strict

HEIGHT=nn
WIDTH=nn

Specifies the height and the width of the image in pixels.

Strict

HSPACE=nn
VSPACE=nn

Specifies a margin around the image for floating images. Without margin the text will be placed directly adjacent to the image.

Strict

ISMAP

Specifies that the image is a clickable map. The image must be contained within a A element.

Strict

SRC="url"

Specifies the address of the image. See A for details.

Strict

USEMAP="url"

Defines this image as a client-side image map. The url must contain a fragment name (introduced by the # character) and must point to a MAP element. The MAP element may be in the same document or in another document.

Strict

INPUT

Tag

Explanation

Mode

<INPUT>

Can only appear within a FORM element
Defines an input field in a form.

Strict

Attribute

Explanation

Mode

TYPE=CHECKBOX
TYPE=HIDDEN
TYPE=IMAGE
TYPE=PASSWORD
TYPE=RADIO
TYPE=RESET
TYPE=SUBMIT
TYPE=TEXT

Defines the type of input field:

TYPE	Meaning
CHECKBOX	A simple checkbox, on or off
HIDDEN	Invisible field, but will be sent with the form data
IMAGE	Clickable image, much like image maps
PASSWORD	One-line text entry, but typed text will be unreadable
RADIO	Radiobuttons, one choice out of many
RESET	Button to reset all fields to their initial state
SUBMIT	Button to send the form data
TEXT	One-line text entry, this is the default type

Strict

ALIGN=TOP
ALIGN=MIDDLE
ALIGN=BOTTOM

Specifies the alignment of an IMAGE field.

Strict

CHECKED

Specifies that a CHECKBOX or RADIO button should be initially checked.

Strict

MAXLENGTH=nn

Specifies the maximum number of characters that can be typed in a TEXT or PASSWORD field.

Strict

NAME="name"

Gives this field a name. Fields without a name will not be included in the form data sent.

Strict

SRC="url"

Specifies the source URL of the image for an IMAGE type field.

Strict

SIZE=nn

Specifies the size of the input box for TEXT and PASSWORD fields, in characters.

Strict

VALUE="value"

For CHECKBOX, RADIO, HIDDEN and SUBMIT this specifies the value (data) to be included if the form is sent.
For TEXT and PASSWORD this specifies the initial value of the input box.
For SUBMIT and RESET this specifies the button label.

Strict

ISINDEX

Tag	Explanation	Mode
<ISINDEX>	Specifies that this page is a searchable index. Note: The HTML definition states that this tag can only be used within a HEAD element. Because there are many pages that has this tag in the document BODY,	Strict
Attribute	Explanation	Mode
PROMPT="prompt"	Defines the propmt to use. Default is This is a searchable index. Enter keywords:	Strict

KBD

Tag	Explanation	Mode
<KBD> ... </KBD>	Specifies keyboard input. Typically rendered in a fixed width font.	Strict

LI

Tag

Explanation

Mode

<LI>

Can only appear within a OL or ULelement
Defines a list item. The item is rendered indented with a bullet in front.

Strict

Attribute

Explanation

Mode

VALUE=nn

Specifies the number to use in the bullet for an ordered list (OL).

Strict

TYPE=CIRCLE
TYPE=DISC
TYPE=SQUARE

Sets the type of bullet for an unordered list (UL).

Strict

TYPE=1
TYPE=A
TYPE=a
TYPE=I
TYPE=i

Sets the type of bullet for an ordered list (OL).

TYPE	Meaning
1	Ordinary numbers (default) (1,2,3,4,...)
A	Capital letters (A,B,C,D,...)
a	lowercase letters (a,b,c,d,...)
I	Roman numbers in capital letters (I,II,III,IV,...)
i	Roman numbers in lowercase letters (i,ii,iii,iv,...)

Strict

DINGBAT="name"

Specifies the type of icon entity to use as a bullet in an unordered list (UL).

Tolerant

SRC="url"

Specifies the source of an image to use as a bullet in an unordered list (UL).

Tolerant (HTML 3.0)

SKIP=nn

Specifies the number of items to skip relative to the previous item in an ordered list (OL).

Tolerant (HTML 3.0)

LINK

Tag	Explanation	Mode
<LINK>	Can only appear within a HEAD element Hyperlink to related resources. Typically used to indicate authorship, related indices, other versions of the document, etc.	Strict
Attribute	Explanation	Mode
HREF="url"	Specifies a destination for the hyperlink. See A for details.	Strict
REL="name"	Name of the relationship described by this hyperlink.	Strict
TITLE="title"	Title to show when presenting this hyperlink.	Strict

LISTING

Tag	Explanation	Mode
<LISTING> ... </LISTING>	Specifies a listing. The text is rendered in a fixed width font, exactly as it appears in the document source. No word-wrapping is done.	Strict

MAP

Tag	Explanation	Mode
<MAP> ... </MAP>	Defines a set of hot zones for a client-side image map (see IMG). The MAP element should contain one or more AREA elements.	Strict
Attribute	Explanation	Mode
NAME="name"	The name of the map, as it is references by the USEMAP attribute of the IMG element.	Strict

NOBR

Tag	Explanation	Mode
<NOBR> ... </NOBR>	Specifies that automatic line breaks must not occur within this text. The WBR element can be used to specify soft line breaks.	Tolerant (NS)

NOFRAMES

Tag	Explanation	Mode
<NOFRAMES> ... </NOFRAMES>	If the document contains a FRAMESET definition, the contents of this element will be interpreted by browsers that don't support frames. The entire element with its contents will be ignored by frame supporting browsers.	Tolerant (NS)

OBJECT

Tag

Explanation

Mode

Specifies an embedded object to display inlined with the text. If the browser supports the type of object, the contents of the OBJECT element is ignored. If the browser does not support the type of object, it displays the content of the OBJECT element instead.

OBJECT elements can be nested to supply several levels of fall-back until the browser supports one of them.

Object specific parameters can be specifies with separate PARAM elements within the OBJECT element.

Tolerant (HTML 3.0)

Attribute

Explanation

Mode

ALIGN=TOP
ALIGN=MIDDLE
ALIGN=BOTTOM

Specifies how the object should be aligned with the text:

ALIGN	Meaning
TOP	the top of the object aligns with the top of the tallest element in the line
MIDDLE	the middle of the object aligns with the text baseline
BOTTOM	the bottom of the object aligns with the text baseline

Tolerant (HTML 3.0)

ALIGN=LEFT
ALIGN=RIGHT

Specifies that the object is a floating object. It is flushed to the current left or right margin, and the text will flow around it.

Tolerant (HTML 3.0)

border=0 bgcolor="FFFFC1"=nn

Specifies the thickness of the border=0 bgcolor="FFFFC1" if the object is a link. border=0 bgcolor="FFFFC1"=0 means no border=0 bgcolor="FFFFC1".

Tolerant (HTML 3.0)

CLASSID="name"

Name of the class that implements the code to process the object data, within the code object specified by the CODEBASE attribute.

Tolerant (HTML 3.0)

CODEBASE="url"

Specifies the address of the object that implements the code to process the object data.

Tolerant (HTML 3.0)

CODETYPE="MIME-type"

The MIME type of the code object specified by the CODEBASE attribute.

Tolerant (HTML 3.0)

DATA="url"

Specifies the address of the object data. See A for details.

Tolerant (HTML 3.0)

DECLARE

Specifies that the object is declared only, and should not be instantiated.

Tolerant (HTML 3.0)

HEIGHT=nn
WIDTH=nn

Specifies the height and the width of the object in pixels.

Tolerant (HTML 3.0)

HSPACE=nn
VSPACE=nn

Specifies a margin around the object for floating objects. Without margin the text will be placed directly adjacent to the object.

Tolerant (HTML 3.0)

ISMAP

Specifies that the object is a clickable map. The object must be contained within a A element.

Tolerant (HTML 3.0)

NAME="name"

Specifies a name for the object.

Tolerant (HTML 3.0)

SHAPES

Specifies that the object is a client-side clickable map. The OBJECT element should contain one or more A elements with SHAPE and COORDS attributes defined.

A clickable map constructed in this way (as opposed to one using the USEMAP attribute) will gracefully fall back to textual links in browsers that does not support the particular object type, or not support the OBJECT tag at all.

Tolerant (HTML 3.0)

STANDBY="text"

Specifies the text to be displayed when the object isn't loaded (yet).

Tolerant (HTML 3.0)

TYPE="MIME-type"

The MIME-type of the object data specified by the DATA attribute.

Tolerant (HTML 3.0)

USEMAP="url"

Defines this object as a client-side clickable map with use of a separate MAP element. The url must contain a fragment name (introduced by the # character) and must point to a MAP element. The MAP element may be in the same document or in another document.

Note that the OBJECT element allows for more browser-friendly client-side maps, see the SHAPES attribute.

Tolerant (HTML 3.0)

OL

Tag

Explanation

Mode

Defines an ordered list. Items in the list are preceded by numbered bullets.
An ordered list should contain one or more LI elements.

Strict

Attribute

Explanation

Mode

TYPE=1
TYPE=A
TYPE=a
TYPE=I
TYPE=i

Sets the type of bullet for this list.

TYPE	Meaning
1	Ordinary numbers (default) (1,2,3,4,...)
A	Capital letters (A,B,C,D,...)
a	lowercase letters (a,b,c,d,...)
I	Roman numbers in capital letters (I,II,III,IV,...)
i	Roman numbers in lowercase letters (i,ii,iii,iv,...)

Strict

START=nn

Sets the number to start with. Default is 1.

Strict

CONTINUE

Specifies that the numbers should continue where the previous ordered list ended.

Tolerant (HTML 3.0)

SEQNUM=nn

Sets the number to start with. Same as START.

Tolerant (HTML 3.0)

OPTION

Tag	Explanation	Mode
<OPTION> ... </OPTION>	Can only appear within a SELECT element Defines an option in a selection list in a form. The end tag is optional.	Strict
Attribute	Explanation	Mode
VALUE="value"	Specifies the value to be included in the form data if this option is selected. Default is the option text.	Strict
SELECTED	Specifies that this option should be initially selected.	Strict

PARAM

Tag

Explanation

Mode

<PARAM>

Can only appear within a OBJECT element
Specifies an object-specific parameter. Parameters are passed to the object.

Tolerant (HTML 3.0)

Attribute

Explanation

Mode

NAME="name"

Specifies the name of the parameter.

Tolerant (HTML 3.0)

TYPE="MIME-type"

The MIME type of the object specifies by URL in the the VALUE attribute. Only valid if the VALUETYPE attribute indicates an URL.

Tolerant (HTML 3.0)

VALUE="value"

Specifies the value of the parameter.

Tolerant (HTML 3.0)

VALUETYPE="type"

Specifies the type of the value of the parameter. It must be one of the following:

TYPE	Meaning
DATA	The value is plain data.
OBJECT	The value is the name of another OBJECT.
REF	The value is an URL. (HTML 3.0)
URL	The value is an URL. (MS)

Tolerant (HTML 3.0, MS)

P

Tag	Explanation	Mode
<P> ... </P>	Denotes a paragraph in the document.	Strict
Attribute	Explanation	Mode
ALIGN=LEFT ALIGN=CENTER ALIGN=RIGHT	Renders the text and other elements within the paragraph left aligned, centered within the window width, or right aligned with the window border=0 bgcolor="FFFFC1".	Strict

PRE

Tag	Explanation	Mode
<PRE> ... </PRE>	Specifies preformatted text. The text is rendered in a fixed width font, exactly as it appears in the document source. No word-wrapping is done.	Strict

SAMP

Tag	Explanation	Mode
<KBD> ... </KBD>	Specifies sample output. Typically rendered in a fixed width font.	Strict

SCRIPT

Tag	Explanation	Mode
<SCRIPT> ... </SCRIPT>	Can only appear within a HEAD element Specifies script statements.	Strict

SELECT

Tag	Explanation	Mode
<SELECT> ... </SELECT>	Can only appear within a FORM element Defines a selection field in a form. Depending on the type of field and the settings, this can be a cycle-type field or a scrollable list. The SELECT element should contain one or more OPTION elements that define the options to choose from.	Strict
Attribute	Explanation	Mode
MULTIPLE	Specifies that more than one option can be selected simultaneously. The field will be rendered as a scrollable list with checkmarks to indicate selected items.	Strict
NAME="name"	Gives this field a name. Fields without a name will not be included in the form data sent.	Strict
SIZE=nn	Specifies the vertical size of the field. A size of 1 will usually be rendered as a cycle-type field. A size of 2 or more will be rendered as a scrollable list, where the number specifies how many items are visible.	Strict

SMALL

Tag	Explanation	Mode
<SMALL> ... </SMALL>	Renders text in a small font.	Strict

S or STRIKE

Tag	Explanation	Mode
<S> ... </S> <STRIKE> ... </STRIKE>	Renders text with strike through.	Strict

STRONG

Tag	Explanation	Mode
<STRONG> ... </STRONG>	Specifies strongly emphasized text. Typically rendered in bold.	Strict

STYLE

Tag	Explanation	Mode
<STYLE> ... </STYLE>	Can only appear within a HEAD element Specifies style information.	Strict

SUB

Tag	Explanation	Mode
<SUB> ... </SUB>	Renders text in subscript, that is in a smaller font and somewhat lower than usual.	Strict

SUP

Tag	Explanation	Mode
<SUP> ... </SUP>	Renders text in superscript, that is in a smaller font and somewhat higher than usual.	Strict

TABLE

Tag	Explanation	Mode
<TABLE> ... </TABLE>	Defines a table. The TABLE element may contain a CAPTION element and should contain one or more TR (table row) elements.	Strict
Attribute	Explanation	Mode
ALIGN=LEFT ALIGN=CENTER ALIGN=RIGHT	Specifies the location where to render the table in the window. Default is left aligned.	Strict
BACKGROUND="url"	Specifies a background image. The image is tiled across all cells in the table.	Tolerant (NS)
BGCOLOR=#rrggbb BGCOLOR=colourname	Specifies the background colour for all cells in the table. See colour specifications for a list of valid names.	Tolerant (NS)
border=0 bgcolor="FFFFC1" border=0 bgcolor="FFFFC1"=nn	Specifies that the table cells should have border=0 bgcolor="FFFFC1"s. If a number is given, it specifies the width of the border=0 bgcolor="FFFFC1" in pixels. Default is no border=0 bgcolor="FFFFC1". Specifying border=0 bgcolor="FFFFC1"=0 is the same as not specifying the border=0 bgcolor="FFFFC1" attribute.	Strict
border=0 bgcolor="FFFFC1"COLOR=#rrggbb border=0 bgcolor="FFFFC1"COLOR=colourname	Specifies the colour to render the border=0 bgcolor="FFFFC1"s in for the entire table. border=0 bgcolor="FFFFC1"s will be solid, not 3-D. See colour specifications for a list of valid names.	Tolerant (MS)
border=0 bgcolor="FFFFC1"COLORDARK=#rrggbb border=0 bgcolor="FFFFC1"COLORDARK=colourname border=0 bgcolor="FFFFC1"COLORLIGHT=#rrggbb border=0 bgcolor="FFFFC1"COLORLIGHT=colourname	Specifies the colours to use for the dark and light edges of the 3-D border=0 bgcolor="FFFFC1"s in the entire table. See colour specifications for a list of valid names.	Tolerant (MS)
CELLPADDING=nn	Specifies the distance between the cell contents and the cell border=0 bgcolor="FFFFC1", in pixels.	Strict
CELLSPACING=nn	Specifies the distance that adjacing cells should be separated, in pixels. This is including any border=0 bgcolor="FFFFC1"s.	Strict
WIDTH=nn% WIDTH=nn	Specifies the width of the table, either in a percentage of the window width, or as a number of pixels. Default is to make the table the minimum size for which all elements can be rendered without wrapping, but not wider than the window.	Strict

TD

Tag

Explanation

Mode

Can only appear within a TR element
Defines a table cell.

The end tag is optional.

Strict

Attribute

Explanation

Mode

ALIGN=LEFT
ALIGN=CENTER
ALIGN=RIGHT

Renders the text and other elements within the table cell left aligned, centered within the cell width, or right aligned with the cell border=0 bgcolor="FFFFC1".

This attribute overrides the ALIGN attribute of the TR element.

Strict

BACKGROUND="url"

Specifies a background image for this table cell.

Tolerant (NS)

BGCOLOR=#rrggbb
BGCOLOR=colourname

Specifies the background colour for this table cell.
See colour specifications for a list of valid names.

Tolerant (NS)

border=0 bgcolor="FFFFC1"COLOR=#rrggbb
border=0 bgcolor="FFFFC1"COLOR=colourname

Specifies the colour to render the border=0 bgcolor="FFFFC1"s in for this table cell. border=0 bgcolor="FFFFC1"s will be solid, not 3-D.
See colour specifications for a list of valid names.

Tolerant (MS)

border=0 bgcolor="FFFFC1"COLORDARK=#rrggbb
border=0 bgcolor="FFFFC1"COLORDARK=colourname
border=0 bgcolor="FFFFC1"COLORLIGHT=#rrggbb
border=0 bgcolor="FFFFC1"COLORLIGHT=colourname

Specifies the colours to use for the dark and light edges of the 3-D border=0 bgcolor="FFFFC1"s for this table cell.
See colour specifications for a list of valid names.

Tolerant (MS)

COLSPAN=nn

This cell spans several adjacent columns.

Strict

ROWSPAN=nn

This cell spans several adjacent rows.

Strict

NOWRAP

Text in this cell will not word wrap. The cell will be made wide enough to show the text without wrapping.

Strict

VALIGN=TOP
VALIGN=MIDDLE
VALIGN=BOTTOM
VALIGN=BASELINE

Specifies the vertical alignment of the cell contents:

ALIGN	Meaning
TOP	places the cell contents at the top of the cell
MIDDLE	places the cell contents vertically centered within the cell
BOTTOM	places the cell contents at the bottom of the cell
BASELINE	aligns the text in this cell with the text in other cells in the same row that have VALIGN=BASELINE specified

This attribute overrides the VALIGN attribute of the TR element.

Strict

WIDTH=nn%
WIDTH=nn

Specifies the width of this column, either in a percentage of the table width or as a number of pixels.

Tolerant (NS)

TEXTAREA

Tag	Explanation	Mode
<TEXTAREA> ... </TEXTAREA>	Can only appear within a FORM element Defines a multi line, scrollable text entry field in a form. The text contained in this element will be the initial text displayed in the field, including line breaks.	Strict
Attribute	Explanation	Mode
COLS=nn	Width of the field in text columns.	Strict
ROWS=nn	Height of the field in rows.	Strict
NAME="name"	Gives this field a name. Fields without a name will not be included in the form data sent.	Strict

TH

Tag	Explanation	Mode
<TH> ... </TH>	Can only appear within a TR element Defines a table header cell. The end tag is optional.	Strict
Attribute	Explanation	Mode
ALIGN=LEFT ALIGN=CENTER ALIGN=RIGHT	Horizontal alignment, see TD. Default is ALIGN=CENTER.	Strict
BACKGROUND="url"	Specifies a background image for this table cell.	Tolerant (NS)
BGCOLOR=#rrggbb BGCOLOR=colourname	Specifies the background colour for this table cell. See colour specifications for a list of valid names.	Tolerant (NS)
border=0 bgcolor="FFFFC1"COLOR=#rrggbb border=0 bgcolor="FFFFC1"COLOR=colourname	Specifies the colour to render the border=0 bgcolor="FFFFC1"s in for this table cell. border=0 bgcolor="FFFFC1"s will be solid, not 3-D. See colour specifications for a list of valid names.	Tolerant (MS)
border=0 bgcolor="FFFFC1"COLORDARK=#rrggbb border=0 bgcolor="FFFFC1"COLORDARK=colourname border=0 bgcolor="FFFFC1"COLORLIGHT=#rrggbb border=0 bgcolor="FFFFC1"COLORLIGHT=colourname	Specifies the colours to use for the dark and light edges of the 3-D border=0 bgcolor="FFFFC1"s for this table cell. See colour specifications for a list of valid names.	Tolerant (MS)
COLSPAN=nn	This cell spans several adjacent columns.	Strict
ROWSPAN=nn	This cell spans several adjacent rows.	Strict
NOWRAP	Text in this cell will not word wrap. The cell will be made wide enough to show the text without wrapping.	Strict
VALIGN=TOP VALIGN=MIDDLE VALIGN=BOTTOM VALIGN=BASELINE	Vertical alignment, see TD. Default is VALIGN=MIDDLE.	Strict
WIDTH=nn% WIDTH=nn	Specifies the width of this column, either in a percentage of the table width or as a number of pixels.	Tolerant (NS)

TITLE

Tag	Explanation	Mode
<TITLE> ... </TITLE>	Can only appear within a HEAD element Gives the document a title. Every document should have a title.	Strict

TR

Tag

Explanation

Mode

Can only appear within a TABLE element
Defines a table row.

The end tag is optional.

Strict

Attribute

Explanation

Mode

ALIGN=LEFT
ALIGN=CENTER
ALIGN=RIGHT

Renders the text and other elements within table cells in this row left aligned, centered within the cell width, or right aligned with the cell border=0 bgcolor="FFFFC1".

This attribute can be overriden by the ALIGN attribute of the TD or TH element.

Strict

BACKGROUND="url"

Specifies a background image. The image is tiled across all cells in the table row.

Tolerant (NS)

BGCOLOR=#rrggbb
BGCOLOR=colourname

Specifies the background colour for all cells in the table row.
See colour specifications for a list of valid names.

Tolerant (NS)

border=0 bgcolor="FFFFC1"COLOR=#rrggbb
border=0 bgcolor="FFFFC1"COLOR=colourname

Specifies the colour to render the border=0 bgcolor="FFFFC1"s in for the table row. border=0 bgcolor="FFFFC1"s will be solid, not 3-D.
See colour specifications for a list of valid names.

Tolerant (MS)

border=0 bgcolor="FFFFC1"COLORDARK=#rrggbb
border=0 bgcolor="FFFFC1"COLORDARK=colourname
border=0 bgcolor="FFFFC1"COLORLIGHT=#rrggbb
border=0 bgcolor="FFFFC1"COLORLIGHT=colourname

Specifies the colours to use for the dark and light edges of the 3-D border=0 bgcolor="FFFFC1"s in the table row.
See colour specifications for a list of valid names.

Tolerant (MS)

VALIGN=TOP
VALIGN=MIDDLE
VALIGN=BOTTOM
VALIGN=BASELINE

Specifies the vertical alignment of the contents of the cells in this row:

ALIGN	Meaning
TOP	places the cell contents at the top of the cell
MIDDLE	places the cell contents vertically centered within the cell
BOTTOM	places the cell contents at the bottom of the cell
BASELINE	aligns the text in all cells inthis row

This attribute can be overriden by the VALIGN attribute of the TD or TH element.

Strict

TT

Tag	Explanation	Mode
<TT> ... </TT>	Renders text in a fixed width font ("teletype"). Usually it is better to use one of the logical styles (like CODE) instead of phisycal styles like TT.	Strict

U

Tag	Explanation	Mode
<U> ... </U>	Renders text underscored. Usually it is better to use one of the logical styles (like STRONG) instead of phisycal styles like U.	Strict

UL

Tag	Explanation	Mode
<UL> ... </UL>	Defines an unordered list. Items in the list are preceded by bullets. An unordered list should contain one or more LI elements.	Strict
Attribute	Explanation	Mode
TYPE=CIRCLE TYPE=DISK TYPE=SQUARE	Sets the type of bullet for this list.	Strict
DINGBAT="name"	Specifies the type of icon entity to use as a bullet in this list.	Tolerant
SRC="url"	Specifies the source of an image to use as a bullet in this list.	Tolerant (HTML 3.0)
PLAIN	The list items will not be preceded by bullets.	Tolerant (HTML 3.0)

VAR

Tag	Explanation	Mode
<VAR> ... </VAR>	Specifies a variable (e.g. in formulas). Typically rendered in italics.	Strict

WBR

Tag	Explanation	Mode
<WBR>	Specifies the location where a line break may occur within text within the NOBR element.	Tolerant (NS)

XMP

Tag	Explanation	Mode
<LISTING> ... </LISTING>	Specifies an example text. The text is rendered in a fixed width font, exactly as it appears in the document source. No word-wrapping is done.	Strict

Username
Password
Auto-Login

Registrati

Hai dimenticato la password?