Test Drive Internet Explorer 9

The Platform Preview is an early look at the Internet Explorer 9 platform so some features are incomplete, some may change, and some may be added. This is the lists of features available in the latest Platform Preview and known issues with those features. To view the latest known issues, see the list on Microsoft Connect.

Warning from one blog: You can actually try it now, though some of the features—most conspiciously HTML5 video—aren't yet there, and the interface is still pretty barebones. (There's no proper address bar, for example, but just a "go to" popup window. This is a developers' test tool, really.)

There is no Information Bar (aka Gold Bar) in Platform Preview. As a result, downloads initiated by script will not function. Files can be downloaded using the “Save Target As…” in the right-click context menu, by clicking on hyperlinks to files, and by typing a download URL in the Open dialog (Ctrl+O).

Features Available

• CSS3
  • Selectors (entire module and ::selection)
  • Namespaces (all except attribute selectors)
  • Backgrounds & Borders (border-radius)
  • Color (rgba(), opacity)
• DOM Core Namespaces
• DOM Range
• DOM L2 Events
  • Event registration and dispatch APIs (addEventListener, removeEventListener, createEvent, dispatchEvent)
  • Event capture, bubble and target phases
  • New event objects (Event, UIEvent, MouseEvent, etc.)
• DOM L3 Events
  • CustomEvent, KeyboardEvent, DragEvent interfaces
• HTML5 Selection
• XHTML Documents
• SVG
  • The SVG in IE is based upon the SVG 1.1 2nd Edition Full (targeted at desktop browsers)
  • Most document structure, scripting (eventing) and styling (inline and through CSS) is functional
  • Many presentation elements and their corresponding attributes and DOM are available including paths, shapes, colors, and transforms
• ICC v2 and v3 color profiles are supported on images

Features Partially Implemented

• DOM Style
  • See Known Issue Below
• DOM L3 Events
  • WheelEvent, TextEvent, CompositionEvent, MutationEvent, MutationNameEvent interfaces (and related events) are not currently supported

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