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All this hand-wringing about types in JavaScript. If Chrome just put Dart into Chrome this question would have been settled years ago. Or at least provide some mechanism where any browser can be extended with a language processor that compiles the script into webasm. The ship for extending JS has sailed! Also as I understand it webasm is still crippled in the browser with respect to accessing the DOM. Fix it somebody!

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> If Chrome just put Dart into Chrome this question would have been settled years ago.

Yes, but if you compare Dart to ES6, ES6 is a much nicer language, so we got lucky that they failed.

Having used both a lot, I disagree that JS/ES6 is a nicer language. ES6 has a couple unique cool features, but also a decent amount of baggage from older JS.

What major features does JS/ES6 have that Dart lacks?

You can totally compile Emscripten to wasm and do all of this as part of your application. No further browser support needed.

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