The one gotcha is that while it works as a USB HID device, there are some driver issues on Windows which mean it won't 'just work'. On Mac OS, Linux and Android you're fine though.
I'm not sure it's needed in the FAQ? Just type USB into the search box and it's one of the top hits.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Yes, it can: http://www.espruino.com/USB
The one gotcha is that while it works as a USB HID device, there are some driver issues on Windows which mean it won't 'just work'. On Mac OS, Linux and Android you're fine though.
I'm not sure it's needed in the FAQ? Just type
USB
into the search box and it's one of the top hits.