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Not exactly an attiny85, but it's getting close: https://tessel.io/ :-)

It's very, very far from attiny85 or even things like PIC32 or ESP8266. 64Mb RAM, a 32bit MIPS and all that stuff. It's an order of magnitude larger than the minimum you'd need for javascript.

I would guess that this is as close as you get today: http://www.espruino.com/EspruinoBoard

I get your point though. The real hardcore stuff still has to be done close to the metal. But it's pretty amazing how far you can get with just JavaScript today, with everything from server, browser, native and even hardware. Abstractions are powerful.

JavaScript is not particularly abstract and not that high level, so it's not surprising you can stuff it into some relatively low level environments.

But yet, you can go even further down with something like Lua or even Python, which are not nearly as bad as JavaScript.

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