HTML5 demos and examples

HTML5 Global Attributes

The global attributes are supported by all HTML 5 elements (with a few exceptions).

HTML5 global attributes:

Attribute	Value	Description
accesskey	character	Specifies a shortcut key to access an element
class	classname	Refers to a class specified in a style sheet
Contenteditable New	true false inherit	Specifies whether a user can edit the content of an element or not
Contextmenu New	menu_id	Specifies a context menu for an element. The value must be the id of a <menu> element
dir	ltr rtl auto	Specifies the text direction for the content in an element
Draggable New	true false auto	Specifies whether a user is allowed to drag an element or not
Dropzone New	copy move link	Specifies what happens when dragged items/data is dropped in the element
Hidden New	hidden	Specifies that an element should be hidden
id	id	Specifies a unique id for an element
lang	language_code	Specifies the language of the element's content
Spellcheck New	true false	Specifies if the element must have its spelling and grammar checked
style	style_definitions	Specifies an inline style for an element
tabindex	number	Specifies the tab order of an element
title	text	Specifies extra information about an element

HTML5 improves for handle all HTML elements, and recover it from errors.
Some of the new features in HTML5 are functions for embedding audio, video, graphics, client-side data storage, and interactive documents. HTML5 also contains new elements like <nav>, <header>, <footer>, and <figure>.
HTML5 is not a W3C recommendation yet.

New HTML5 tags :.

Tag	Description
<!--...-->	Defines a comment
<!DOCTYPE>	Defines the document type
<a>	Defines a hyperlink
<abbr>	Defines an abbreviation
<acronym>	Not supported in HTML5
<address>	Defines contact information for the author/owner of a document/article
<applet>	Not supported in HTML5
<area>	Defines an area inside an image-map
<article>New	Defines an article
<aside>New	Defines content aside from the page content
<audio>New	Defines sound content
<b>	Defines bold text
<base>	Specifies the base URL/target for all relative URLs in a document
<basefont>	Not supported in HTML5
<bdi>New	Isolates a part of text that might be formatted in a different direction from other text outside it
<bdo>	Overrides the current text direction
<big>	Not supported in HTML5
<blockquote>	Defines a section that is quoted from another source
<body>	Defines the document's body
<br>	Defines a single line break
<button>	Defines a clickable button
<canvas>New	Used to draw graphics, on the fly, via scripting (usually JavaScript)
<caption>	Defines a table caption
<center>	Not supported in HTML5
<cite>	Defines the title of a work
<code>	Defines a piece of computer code
<col>	Specifies column properties for each column within a <colgroup> element
<colgroup>	Specifies a group of one or more columns in a table for formatting
<command>New	Defines a command button that a user can invoke
<datalist>New	Specifies a list of pre-defined options for input controls
<dd>	Defines a description of an item in a definition list
<del>	Defines a text that has been deleted from a document
<details>New	Defines additional details that the user can view or hide
<dfn>	Defines a definition term
<dir>	Not supported in HTML5
<div>	Defines a section in a document
<dl>	Defines a definition list
<dt>	Defines a term (an item) in a definition list
<em>	Defines emphasized text
<embed>New	Defines a container for an external application or interactive content (a plug-in)
<fieldset>	Groups related elements in a form
<figcaption>New	Defines a caption for a <figure> element
<figure>New	Specifies self-contained content
<font>	Not supported in HTML5
<footer>New	Defines a footer for a document or section
<form>	Defines an HTML form for user input
<frame>	Not supported in HTML5
<frameset>	Not supported in HTML5
<h1> to <h6>	Defines HTML headings
<head>	Defines information about the document
<header>New	Specifies an introduction, or a group of navigation elements for a document
<hgroup>New	Groups a set of <h1> to <h6> elements when a heading has multiple levels
<hr>	Defines a thematic change in the content
<html>	Defines the root of an HTML document
<i>	Defines a part of text in an alternate voice or mood
<iframe>	Defines an inline frame
<img>	Defines an image
<input>	Defines an input control
<ins>	Defines a text that has been inserted into a document
<keygen>New	Defines a key-pair generator field (for forms)
<kbd>	Defines keyboard input
<label>	Defines a label for an input element
<legend>	Defines a caption for a <fieldset>, <figure>, or <details> element
<li>	Defines a list item
<link>	Defines the relationship between a document and an external resource (most used to link to style sheets)
<map>	Defines a client-side image-map
<mark>New	Defines marked/highlighted text
<menu>	Defines a list/menu of commands
<meta>	Defines metadata about an HTML document
<meter>New	Defines a scalar measurement within a known range (a gauge)
<nav>New	Defines navigation links
<noframes>	Not supported in HTML5
<noscript>	Defines an alternate content for users that do not support client-side scripts
<object>	Defines an embedded object
<ol>	Defines an ordered list
<optgroup>	Defines a group of related options in a drop-down list
<option>	Defines an option in a drop-down list
<output>New	Defines the result of a calculation
<p>	Defines a paragraph
<param>	Defines a parameter for an object
<pre>	Defines preformatted text
<progress>New	Represents the progress of a task
<q>	Defines a short quotation
<rp>Ne	Defines what to show in browsers that do not support ruby annotations
<rt>New	Defines an explanation/pronunciation of characters (for East Asian typography)
<ruby>New	Defines a ruby annotation (for East Asian typography)
<s>	Defines text that is no longer correct
<samp>	Defines sample output from a computer program
<script>	Defines a client-side script
<section>New	Defines a section in a document
<select>	Defines a drop-down list
<small>	Defines smaller text
<source>New	Defines multiple media resources for media elements (<video> and <audio>)
<span>	Defines a section in a document
<strike>	Not supported in HTML5
<strong>	Defines important text
<style>	Defines style information for a document
<sub>	Defines subscripted text
<summary>New	Defines a visible heading for a <details> element
<sup>	Defines superscripted text
<table>	Defines a table
<tbody>	Groups the body content in a table
<td>	Defines a cell in a table
<textarea>	Defines a multiline input control (text area)
<tfoot>	Groups the footer content in a table
<th>	Defines a header cell in a table
<thead>	Groups the header content in a table
<time>New	Defines a date/time
<title>	Defines a title for the document
<tr>	Defines a row in a table
<track>New	Defines text tracks for media elements (<video> and <audio>)
<tt>	Not supported in HTML5
<u>	Not supported in HTML5
<ul>	Defines an unordered list
<var>	Defines a variable
<video>New	Defines a video or movie
<wbr>New	Defines a possible line-break

HTML5 - required Attribute

required Attribute

The required attribute specifies that before submitting an input field must be filled out .
Note: The required attribute works with the following <input> types: text, search, url, telephone, email, password, date pickers, number, checkbox, radio, and file.

Syntax

Name: <input type="text" name="user_name" required="required" />

Example

<!DOCTYPE html>
<html>
<body>

<form action="demo_form.asp" method="get">
Name: <input type="text" name="user_name" required="required" />
<input type="submit" />
</form>

</body>
</html>

HTML5 - placeholder Attribute

placeholder Attribute

The placeholder attribute provides to describe the expected value of an input field.
Note: The placeholder attribute works with the following <input> types: text, search, url, telephone, email, and password
The hint is displayed in the input field when it is empty, and disappears when the field gets focus:

Syntax

Example

<!DOCTYPE html>
<html>
<body>

<form action="demo_form.asp" method="get">
<input type="search" name="user_search" placeholder="Search HTML5 demos and examples" />
<input type="submit" />
</form>

</body>
</html>

HTML5 - pattern Attribute

pattern Attribute

The pattern attribute used a pattern to validate an input field.
The pattern is a regular expression.
Note: The pattern attribute works with the following <input> types: text, search, url, telephone, email, and password.
The example below shows a text field that can only contain three letters (no numbers or special characters):

Syntax

Country code: <input type="text" name="country_code"
pattern="[A-z]{3}" title="Three letter country code" />

Example

<!DOCTYPE html>
<html>
<body>

<form action="demo_form.asp" method="get">
Country code: <input type="text" name="country_code" pattern="[A-z]{3}"
title="Three letter country code" />
<input type="submit" />
</form>

</body>
</html>

HTML5 - novalidate Attribute

novalidate Attribute

The novalidate attribute specifies that the form or input field should not be validated when submitted.
If this attribute is present the form will not validate form input.
Note: The novalidate attribute works with: <form> and the following <input> types: text, search, url, telephone, email, password, date pickers, range, and color.

Syntax

Example

<!DOCTYPE html>
<html>
<body>

<form action="demo_form.asp" novalidate="novalidate">
E-mail: <input type="email" name="user_email" />
<input type="submit" />
</form>

</body>
</html>

multiple Attribute

The multiple attribute can be selected for an input field which has multiple values .
Note: The multiple attribute works with the <input> types: email, and file.

Syntax

Select images: <input type="file" name="img" multiple="multiple" />

Example

<!DOCTYPE html>
<html>
<body>

<form action="demo_form.asp" method="get">
Select images: <input type="file" name="img" multiple="multiple" />
<input type="submit" />
</form>
<p>Try to select more than one file .</p>

</body>
</html>

HTML5 demos and examples

Friday, 30 December 2011

HTML5 Global Attributes

HTML5 Tag Reference

HTML5 - required Attribute

required Attribute

Syntax

Example

HTML5 - placeholder Attribute

placeholder Attribute

Syntax

Example

HTML5 - pattern Attribute

pattern Attribute

Syntax

Example

HTML5 - novalidate Attribute

novalidate Attribute

Syntax

Example

multiple Attribute

Syntax

Example