Before we start..
Last you may want to get the rest of the Code Samples for Win8 (you will need Windows 8 for some of these samples).
- Java objects
- ActiveX objects
- Flash objects
- non-standard HTML5 objects
This is what HTML5 is really known for, there is plenty of information out there
You can get more information about 3D HTML5 here.
Interop with XAML