Learn HTML.With HTML you can create your own Web site. This tutorial teaches you everything about HTML. This HTML tutorial contains hundreds of HTML examples. HTML is easy to learn - You will enjoy it.

Ordered Alphabetically

DTD: indicates in which HTML 4.01 / XHTML 1.0 DTD the tag is allowed. S=Strict, T=Transitional, and F=Frameset

Tag Description+ DTD

Defines a comment STF
<!DOCTYPE> Defines the document type STF
<a> Defines an anchor STF
<abbr> Defines an abbreviation STF
<acronym> Defines an acronym STF
<address> Defines contact information for the author/owner of a document STF
<applet> Deprecated. Defines an embedded applet TF
<area /> Defines an area inside an image-map STF
<b> Defines bold text STF
<base /> Defines a default address or a default target for all links on a page STF
<basefont /> Deprecated. Defines a default font, color, or size for the text in a page TF
<bdo> Defines the text direction STF
<big> Defines big text STF
<blockquote> Defines a long quotation STF
<body> Defines the document's body STF
<br /> Defines a single line break STF
<button> Defines a push button STF
<caption> Defines a table caption STF
<center> Deprecated. Defines centered text TF
<cite> Defines a citation STF
<code> Defines computer code text STF
<col /> Defines attribute values for one or more columns in a table STF
<colgroup> Defines a group of columns in a table for formatting STF
<dd> Defines a description of a term in a definition list STF
<del> Defines deleted text STF
<dfn> Defines a definition term STF
<dir> Deprecated. Defines a directory list TF
<div> Defines a section in a document STF
<dl> Defines a definition list STF
<dt> Defines a term (an item) in a definition list STF
<em> Defines emphasized text STF
<fieldset> Defines a border around elements in a form STF
<font> Deprecated. Defines font, color, and size for text TF
<form> Defines an HTML form for user input STF
<frame /> Defines a window (a frame) in a frameset F
<frameset> Defines a set of frames F
<h1> to <h6> Defines HTML headings STF
<head> Defines information about the document STF
<hr /> Defines a horizontal line STF
<html> Defines an HTML document STF
<i> Defines italic text STF
<iframe> Defines an inline frame TF
<img /> Defines an image STF
<input /> Defines an input control STF
<ins> Defines inserted text STF
<isindex> Deprecated. Defines a searchable index related to a document TF
<kbd> Defines keyboard text STF
<label> Defines a label for an input element STF
<legend> Defines a caption for a fieldset element STF
<li> Defines a list item STF
<link /> Defines the relationship between a document and an external resource STF
<map> Defines an image-map STF
<menu> Deprecated. Defines a menu list TF
<meta /> Defines metadata about an HTML document STF
<noframes> Defines an alternate content for users that do not support frames TF
<noscript> Defines an alternate content for users that do not support client-side scripts STF
<object> Defines an embedded object STF
<ol> Defines an ordered list STF
<optgroup> Defines a group of related options in a select list STF
<option> Defines an option in a select list STF
<p> Defines a paragraph STF
<param /> Defines a parameter for an object STF
<pre> Defines preformatted text STF
<q> Defines a short quotation STF
<s> Deprecated. Defines strikethrough text TF
<samp> Defines sample computer code STF
<script> Defines a client-side script STF
<select> Defines a select list (drop-down list) STF
<small> Defines small text STF
<span> Defines a section in a document STF
<strike> Deprecated. Defines strikethrough text TF
<strong> Defines strong text STF
<style> Defines style information for a document STF
<sub> Defines subscripted text STF
<sup> Defines superscripted text STF
<table> Defines a table STF
<tbody> Groups the body content in a table STF
<td> Defines a cell in a table STF
<textarea> Defines a multi-line text input control STF
<tfoot> Groups the footer content in a table STF
<th> Defines a header cell in a table STF
<thead> Groups the header content in a table STF
<title> Defines the title of a document STF
<tr> Defines a row in a table STF
<tt> Defines teletype text STF
<u> Deprecated. Defines underlined text TF
<ul> Defines an unordered list STF
<var> Defines a variable part of a text STF
<xmp> Deprecated. Defines preformatted text

             Ordered by Function

                DTD: indicates in which HTML 4.01 / XHTML 1.0 DTD the tag is allowed. S=Strict, T=Transitional, and F=Frameset
      Tag          Description+DTD

<!DOCTYPE> Defines the document type STF
<html> Defines an HTML document STF
<body> Defines the document's body STF
<h1> to <h6> Defines HTML headings STF
<p> Defines a paragraph STF
<br /> Inserts a single line break STF
<hr /> Defines a horizontal line STF
Defines a comment STF
Formatting
<acronym> Defines an acronym STF
<abbr> Defines an abbreviation STF
<address> Defines contact information for the author/owner of a document STF
<b> Defines bold text STF
<bdo> Defines the text direction STF
<big> Defines big text STF
<blockquote> Defines a long quotation STF
<center> Deprecated. Defines centered text TF
<cite> Defines a citation STF
<code> Defines computer code text STF
<del> Defines deleted text STF
<dfn> Defines a definition term STF
<em> Defines emphasized text STF
<font> Deprecated. Defines font, color, and size for text TF
<i> Defines italic text STF
<ins> Defines inserted text STF
<kbd> Defines keyboard text STF
<pre> Defines preformatted text STF
<q> Defines a short quotation STF
<s> Deprecated. Defines strikethrough text TF
<samp> Defines sample computer code STF
<small> Defines small text STF
<strike> Deprecated. Defines strikethrough text TF
<strong> Defines strong text STF
<sub> Defines subscripted text STF
<sup> Defines superscripted text STF
<tt> Defines teletype text STF
<u> Deprecated. Defines underlined text TF
<var> Defines a variable part of a text STF
<xmp> Deprecated. Defines preformatted text
Forms
<form> Defines an HTML form for user input STF
<input /> Defines an input control STF
<textarea> Defines a multi-line text input control STF
<button> Defines a push button STF
<select> Defines a select list (drop-down list) STF
<optgroup> Defines a group of related options in a select list STF
<option> Defines an option in a select list STF
<label> Defines a label for an input element STF
<fieldset> Defines a border around elements in a form STF
<legend> Defines a caption for a fieldset element STF
<isindex> Deprecated. Defines a searchable index related to a document TF
Frames
<frame /> Defines a window (a frame) in a frameset F
<frameset> Defines a set of frames F
<noframes> Defines an alternate content for users that do not support frames TF
<iframe> Defines an inline frame TF
Images
<img /> Defines an image STF
<map> Defines an image-map STF
<area /> Defines an area inside an image-map STF
Links
<a> Defines an anchor STF
<link /> Defines the relationship between a document and an external resource STF
Lists
<ul> Defines an unordered list STF
<ol> Defines an ordered list STF
<li> Defines a list item STF
<dir> Deprecated. Defines a directory list TF
<dl> Defines a definition list STF
<dt> Defines a term (an item) in a definition list STF
<dd> Defines a description of a term in a definition list STF
<menu> Deprecated. Defines a menu list TF
Tables
<table> Defines a table STF
<caption> Defines a table caption STF
<th> Defines a header cell in a table STF
<tr> Defines a row in a table STF
<td> Defines a cell in a table STF
<thead> Groups the header content in a table STF
<tbody> Groups the body content in a table STF
<tfoot> Groups the footer content in a table STF
<col /> Defines attribute values for one or more columns in a table STF
<colgroup> Defines a group of columns in a table for formatting STF
Styles
<style> Defines style information for a document STF
<div> Defines a section in a document STF
<span> Defines a section in a document STF
Meta Info
<head> Defines information about the document STF
<title> Defines the document title STF
<meta> Defines metadata about an HTML document STF
<base /> Defines a default address or a default target for all links on a page STF
<basefont /> Deprecated. Defines a default font, color, or size for the text in a page TF
Programming
<script> Defines a client-side script STF
<noscript> Defines an alternate content for users that do not support client-side scripts STF
<applet> Deprecated. Defines an embedded applet TF
<object> Defines an embedded object STF
<param /> Defines a parameter for an object STF

Core Attributes

Not valid in base, head, html, meta, param, script, style, and title elements.

Attribute	Value	Description
class	classname	Specifies a classname for an element
id	id	Specifies a unique id for an element
style	style_definition	Specifies an inline style for an element
title	text	Specifies extra information about an element

Language Attributes

Not valid in base, br, frame, frameset, hr, iframe, param, and script elements.

Attribute	Value	Description
dir	ltr rtl	Specifies the text direction for the content in an element
lang	language_code	Specifies a language code for the content in an element.
xml:lang	language_code	Specifies a language code for the content in an element, in XHTML documents.

Keyboard Attributes

Attribute	Value	Description
accesskey	character	Specifies a keyboard shortcut to access an element
tabindex	number	Specifies the tab order of an element

Standard Event Attributes

HTML 4 added the ability to let events trigger actions in a browser, like starting a JavaScript when a user clicks on an element.

<body> and <frameset> Events

The two attributes below can only be used in <body> or <frameset>:

Attribute	Value	Description
onload	script	Script to be run when a document load
onunload	script	Script to be run when a document unload

Form Events

The attributes below can be used in form elements:

Attribute	Value	Description
onblur	script	Script to be run when an element loses focus
onchange	script	Script to be run when an element changes
onfocus	script	Script to be run when an element gets focus
onreset	script	Script to be run when a form is reset
onselect	script	Script to be run when an element is selected
onsubmit	script	Script to be run when a form is submitted

Image Events

The attribute below can be used with the img element:

Attribute	Value	Description
onabort	script	Script to be run when loading of an image is interrupted

Keyboard Events

Valid in all elements except base, bdo, br, frame, frameset, head, html, iframe, meta, param, script, style, and title.

Attribute	Value	Description
onkeydown	script	Script to be run when a key is pressed
onkeypress	script	Script to be run when a key is pressed and released
onkeyup	script	Script to be run when a key is released

Mouse Events

Valid in all elements except base, bdo, br, frame, frameset, head, html, iframe, meta, param, script, style, and title.

Attribute	Value	Description
onclick	script	Script to be run on a mouse click
ondblclick	script	Script to be run on a mouse double-click
onmousedown	script	Script to be run when mouse button is pressed
onmousemove	script	Script to be run when mouse pointer moves
onmouseout	script	Script to be run when mouse pointer moves out of an element
onmouseover	script	Script to be run when mouse pointer moves over an element
onmouseup	script	Script to be run when mouse button is released

HTML Elements and Valid Doctypes

HTML/XHTML Elements and Valid DTDs

The following table lists all HTML/XHTML elements, and defines which doctype declarations (DTDs) each element appear in.

Tag	HTML 4.01 / XHTML 1.0			XHTML 1.1
Tag	Transitional	Strict	Frameset	XHTML 1.1
<a>	Yes	Yes	Yes	Yes
<abbr>	Yes	Yes	Yes	Yes
<acronym>	Yes	Yes	Yes	Yes
<address>	Yes	Yes	Yes	Yes
<applet>	Yes	No	Yes	No
<area />	Yes	Yes	Yes	No
<b>	Yes	Yes	Yes	Yes
<base />	Yes	Yes	Yes	Yes
<basefont />	Yes	No	Yes	No
<bdo>	Yes	Yes	Yes	No
<big>	Yes	Yes	Yes	Yes
<blockquote>	Yes	Yes	Yes	Yes
<body>	Yes	Yes	Yes	Yes
<br />	Yes	Yes	Yes	Yes
<button>	Yes	Yes	Yes	Yes
<caption>	Yes	Yes	Yes	Yes
<center>	Yes	No	Yes	No
<cite>	Yes	Yes	Yes	Yes
<code>	Yes	Yes	Yes	Yes
<col />	Yes	Yes	Yes	No
<colgroup>	Yes	Yes	Yes	No
<dd>	Yes	Yes	Yes	Yes
<del>	Yes	Yes	Yes	No
<dfn>	Yes	Yes	Yes	Yes
<dir>	Yes	No	Yes	No
<div>	Yes	Yes	Yes	Yes
<dl>	Yes	Yes	Yes	Yes
<dt>	Yes	Yes	Yes	Yes
<em>	Yes	Yes	Yes	Yes
<fieldset>	Yes	Yes	Yes	Yes
<font>	Yes	No	Yes	No
<form>	Yes	Yes	Yes	Yes
<frame />	No	No	Yes	No
<frameset>	No	No	Yes	No
<h1> to <h6>	Yes	Yes	Yes	Yes
<head>	Yes	Yes	Yes	Yes
<hr />	Yes	Yes	Yes	Yes
<html>	Yes	Yes	Yes	Yes
<i>	Yes	Yes	Yes	Yes
<iframe>	Yes	No	Yes	No
<img />	Yes	Yes	Yes	Yes
<input />	Yes	Yes	Yes	Yes
<ins>	Yes	Yes	Yes	No
<isindex>	Yes	No	Yes	No
<kbd>	Yes	Yes	Yes	Yes
<label>	Yes	Yes	Yes	Yes
<legend>	Yes	Yes	Yes	Yes
<li>	Yes	Yes	Yes	Yes
<link />	Yes	Yes	Yes	Yes
<map>	Yes	Yes	Yes	No
<menu>	Yes	No	Yes	No
<meta />	Yes	Yes	Yes	Yes
<noframes>	Yes	No	Yes	No
<noscript>	Yes	Yes	Yes	Yes
<object>	Yes	Yes	Yes	Yes
<ol>	Yes	Yes	Yes	Yes
<optgroup>	Yes	Yes	Yes	Yes
<option>	Yes	Yes	Yes	Yes
<p>	Yes	Yes	Yes	Yes
<param />	Yes	Yes	Yes	Yes
<pre>	Yes	Yes	Yes	Yes
<q>	Yes	Yes	Yes	Yes
<s>	Yes	No	Yes	No
<samp>	Yes	Yes	Yes	Yes
<script>	Yes	Yes	Yes	Yes
<select>	Yes	Yes	Yes	Yes
<small>	Yes	Yes	Yes	Yes
<span>	Yes	Yes	Yes	Yes
<strike>	Yes	No	Yes	No
<strong>	Yes	Yes	Yes	Yes
<style>	Yes	Yes	Yes	Yes
<sub>	Yes	Yes	Yes	Yes
<sup>	Yes	Yes	Yes	Yes
<table>	Yes	Yes	Yes	Yes
<tbody>	Yes	Yes	Yes	No
<td>	Yes	Yes	Yes	Yes
<textarea>	Yes	Yes	Yes	Yes
<tfoot>	Yes	Yes	Yes	No
<th>	Yes	Yes	Yes	Yes
<thead>	Yes	Yes	Yes	No
<title>	Yes	Yes	Yes	Yes
<tr>	Yes	Yes	Yes	Yes
<tt>	Yes	Yes	Yes	Yes
<u>	Yes	No	Yes	No
<ul>	Yes	Yes	Yes	Yes
<var>	Yes	Yes	Yes	Yes

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Sunday, October 30, 2011

HTML 4.01 / XHTML 1.0 Reference