WHAT IS NEW IN HTML5

A lot of thing have been changed in html5.
In last version we always use <div> tag for any particular thing like

for header 

html4

<div id="header"></header>

html5

<HEADER></HEADER>

For navigation menu

html4

<div id="nav"></nav>

html5

<NAV></NAV>

For page artical

html4

<div id="artical"></artical>

html5

<ARTICAL></ARTICAL>

For sidebar

html4

<div id="sidebar"></sidebar>

html5

<SIDEBAR></SIDEBAR>

For sidebar

html4

<div id="footer"></footer>

html5

<FOOTER></FOOTER>


Html 5 make it easy to understand. More readable.


MOST LATEST THING IN HTML5

  

New Media Elements

Tag	Description
<audio>	Defines sound or music content
<embed>	Defines containers for external applications (like plug-ins)
<source>	Defines sources for <video> and <audio>
<track>	Defines tracks for <video> and <audio>
<video>	Defines video or movie content

HTML5 Graphics

Tag	Description
<canvas>	Defines graphic drawing using JavaScript
<svg>	Defines graphic drawing using SVG

New Input aTTRIBUTE

Type	Example
Empty	<input type="text" value="John" disabled>
Unquoted	<input type="text" value=John>
Double-quoted	<input type="text" value="John Doe">
Single-quoted	<input type="text" value='John Doe'>

New Input Types

New Input Types	New Input Attributes
color date datetime datetime-local email month number range search tel time url week	autocomplete autofocus form formaction formenctype formmethod formnovalidate formtarget height and width list min and max multiple pattern (regexp) placeholder required step

Tag	Description
<datalist>	Defines pre-defined options for input controls
<keygen>	Defines a key-pair generator field (for forms)
<output>	Defines the result of a calculation

Tag	Description
<article>	Defines an article in the document
<aside>	Defines content aside from the page content
<bdi>	Defines a part of text that might be formatted in a different direction from other text
<details>	Defines additional details that the user can view or hide
<dialog>	Defines a dialog box or window
<figcaption>	Defines a caption for a <figure> element
<figure>	Defines self-contained content, like illustrations, diagrams, photos, code listings, etc.
<footer>	Defines a footer for the document or a section
<header>	Defines a header for the document or a section
<main>	Defines the main content of a document
<mark>	Defines marked or highlighted text
<menuitem>	Defines a command/menu item that the user can invoke from a popup menu
<meter>	Defines a scalar measurement within a known range (a gauge)
<nav>	Defines navigation links in the document
<progress>	Defines the progress of a task
<rp>	Defines what to show in browsers that do not support ruby annotations
<rt>	Defines an explanation/pronunciation of characters (for East Asian typography)
<ruby>	Defines a ruby annotation (for East Asian typography)
<section>	Defines a section in the document
<summary>	Defines a visible heading for a <details> element
<time>	Defines a date/time
<wbr>	Defines a possible line-break