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Re:MakeCode Arcade: Retro Gaming, Modern Programming by xfer on Saturday January 19, 2019 @03:33AM (#18945997)
Re:MakeCode Arcade: Retro Gaming, Modern Programming by homarp on Saturday January 19, 2019 @03:39AM (#18946006)
PXT's underlying programming language is a subset of TypeScript (leaving out JavaScript dynamic features).

The main features of PXT are: [...] an ARM Thumb machine code emitter

Re:MakeCode Arcade: Retro Gaming, Modern Programming by mmoskal on Saturday January 19, 2019 @06:27AM (#18946476)
In fact there is more dynamic features in now, including accessing arbitrary fields through 'any' type and typeof expression. What's missing is mostly eval and prototype inheritance (instead we use classes). There's also a precise GC now.