HTML5  intoduces new feaures built into the browser without the use of plug-ins and/or scripting in the form of new elemenst and APIs:

• The Canvas element: allows scriptable bitmap editing.
• Document editing: permits editing content directly in the web pages
• Web forms: self validate and offer more input types.
• Drag-and-drop: allows manipulating elements without scripting
• Audio and Video Timed media playback: enables native control of media files without plug-ins.
• New structural elements: removes the use of <div> tags with classes and IDs to create common elements such as headers and footers.

Microsoft has pledged to introduce HTML5 support in IE version 9.