For instance if you are into classical OOP instead of prototypal and want some syntactical sugar, you might enjoy CoffeeScript. In case you wish to have a stricter typing system, you could find Dart or TypeScript interesting. Those that enjoy functional programming, could perhaps enjoy ClojureScript or Roy. coffee 面向对象的编程；严谨编程用 dart 或者 typescript；注重功能用 ClojureScript 或者 roy

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• The Others: CoffeeScript, Dart, TypeScript
• List of languages that compile to JS