[ahoge]

You are missing the point. jQuery fixes the DOM API. Dart's "dart:html" already provides a clean nice-to-use API. All those list-like things are actual Lists. Futures and Streams are also baked into the language. Normalization also isn't needed anymore.

> Apple, FF, MS are all against Dart.

Oliver Hunt isn't Apple. Brendan Eich isn't Mozilla. He doesn't even work for Mozilla anymore.

Mircosoft's JavaScript team also isn't equivalent with Microsoft itself. It also would be pretty weird for them to endorse Dart.

They have TypeScript, which sells Visual Studio, which sells Windows licenses, which sells the Microsoft ecosystem, which sells Windows Server licenses.

That's how they operate and there is nothing wrong with that, really. If you have a large existing JavaScript codebase which you want to keep, TypeScript is a pretty good choice.