I believe Moddable's XS was the first to compile JavaScript to bytecode on a computer for embedded deployment: https://www.moddable.com/faq#xs-in-c https://www.

I believe Moddable's XS was the first to compile JavaScript to bytecode on a computer for embedded deployment: https://www.moddable.com/faq#xs-in-c https://www.moddable.com/faq#xs-in-c (XS is a complete ECMAScript 2020 implementation, though.)