HTML5 Support in Internet Explorer 9
None<nav>None<article>None<aside>None<header>None<hgroup>None<footer>None<time>—<mark>None<ruby>6-8<figure>None<figcaption>None<embed>—<video>None<audio>None<source>None<canvas>None<details>—<summary>—<command>—<menu>—New Form Elements/Attributes*—ElementIE9 SupportPrevious IE Support

* Evidently, the only new form enhancement supported by IE9 Beta is the?autocompleteattribute, supported since IE7.

NoneInline SVGNonecontenteditable5.5-8Data URIs8Cross-Document Messaging8application/xhtml+xmlNoneSelectors API8getElementsByClassNameNoneapplication/xhtml+xmlNoneSVGNoneCanvas APIsNoneSVG in CSS BackgroundsNoneWeb Storage8WAI-ARIA8Offline Web Apps—Drag and Drop5-8Web Workers—Web Sockets—Ajax History Traversal8Text Selection APINonepushState() / replaceState()—Geolocation APINoneA Bunch of other stuff…—TechnologyIE9 SupportPrevious IE Support