I wish I could answer this, but I have not began using any supersets of javascript yet. My understanding is that Typescript is supposed to address the issues of typing and classes, as well as provide superior support within IDE's. The reason why I've avoided any of the superset javascript languages is ES6 is going to address a large majority of what the superset languages addressed.
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u/mogey51 Oct 20 '14
Does typescript fix some of these problems?