[inikulin]

> I want to be able to write C#, or Ruby, or python, and reference it on a page, and for it to run.

Throwing back huge front-end stack fragmentation, insanely increased complexity of the browsers that you want to achieve with this approach? Statements like "I don't understand var scope in JS", "This prototype thing doesn't work", "JS is completely broken because [] == false" doesn't count, ok?