HTML 5 is the next version of Hyper Text Markup Language(HTML4)
It is developing by World Wide Web consortium W3C.
Defined error handling
History of HTML5
HTML 3.0 was developed in 1995
HTML 3.2 was completed by 1997
HTML 4 was developed in the year 1998
HTML5 was first started by Mozilla, Apple, and Opera under a group called the WHATWG(Web Hypertext Application Technology Working Group). In 2006 W3C showed an interest in HTML5 and in 2007 they created a working group to work in HTML5 project. HTML5 is still under development.
New features in HTML5
Video and audio tags
Header and Footer
Nav, Section, article, aside,
Drag and drop
HTML canvas 2D context
Article and aside
HTML5 web messaging
Video and Audio
HTML5 include video with video element
HTML5 specifies a standard way to include audio, with the audio element.
The audio element can play sound files, or an audio stream .
Form Controls: Numbers < input type = "number" > < input type = "range" > Supports ( safari3.0.3,Opera )
Form Controls: Combo Boxes < input list = "title-list" > < datalist id = "title-list" > < option value = "..." > </ datalist > Supports (Opera) )
Difference between HTML4 and HTML5 HTML4 HTML5 Elements like nav, header were not present. It brought new element for web structure like nav, header etc It was lack of rules of parsing so it is difficult to handle error. Strictly parsing rules introduced in html5 so handle the error. No multimedia supported without third party It inbuilt multimedia element in html5 like Audio,video,canvas It was not available It contains attributes like control menu, spell check etc.
Web sites that using HTML5
YouTube uses HTML5, www.youtube.com/ html5
Google wave, a collaboration tool from Google uses several html5 tags
Only some of the browser only supports HTML5 features currently