>UI design benefits from a completely different structure than text-oriented documents -- layout managers, containers, spacers, grids, reusable components, nearly all missing from current browsers.
Oh, but it's coming soon, via both JavaScript and Dart:
So it demonstrates how much more difficult UI design is using HTML5 versus every other UI design option out there. It's often worth it for the platform independence, but we could've done much better if we designed a UI markup format from scratch.
Oh, but it's coming soon, via both JavaScript and Dart:
http://www.polymer-project.org/ https://www.dartlang.org/polymer-dart/