Relevant organizations of Web
- W3C - http://www.w3.org
- ￼WHATWG - Work group of hypertext technology of webpage - http://www.whatwg.org
HTML5 in narrow meaning means the next main revised version of HTML, the standard made by W3C. It is under development for the moment. On the basis of HTML 4.01 and XHTML1.0, HTML5 standard adds and revises some tag elements, among which there are medium-related <video>, <audio>,
<canvas>, meanwhile integrating content of SVG. Elements of data include <section>, <article>, <header>, <nav>,
and <menu>. Besides, new API is provided, such as 2D drawing, offline storage, drag and drop, messaging, management of browsing history, document API and position API etc.
For more introduction of HTML5, refer to: