It's also worth making sure you have Programmable set to On in settings (the default). If you turn it off you can have issues like you see here.
Programmable
On
@Gordon started
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.
It's also worth making sure you have
Programmable
set toOn
in settings (the default). If you turn it off you can have issues like you see here.