The previous version of HTML, HTML 4.01, came in 1999. The web has changed a lot since then.HTML5 is still a work in progress. However, the major browsers support many of the new HTML5 elements and APIs.

    And The HTML5 Is New Standard of HTML And this standard have some attributes are their like

  • New Elements

  • New Attributes

  • Full CSS3 Support

  • Video and Audio

  • 2D/3D Graphics

  • Local Storage

  • Local SQL Database

  • Web Applications

HTML5 is started from cooperation between the World Wide Web Consortium (W3C) and the Web Hypertext Application Technology Working Group (WHATWG).

WHATWG was working with web forms and applications, and W3C was working with XHTML 2.0. In 2006, they decided to cooperate and create a new version of HTML.

    Some rules for HTML5 were established:

  • New features should be based on HTML, CSS, DOM, and JavaScript

  • Reduce the need for external plug-in (like Flash)

  • Better error handling

  • More markup to replace scripting

  • HTML5 should be device independent

  • The development process should be visible to the public