Yes, I'm not sure quite where this sits on Linux.
It'd be worth trying it on an Android phone and seeing if you have more success - you may also need to enable it via chrome://flags
@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.
Yes, I'm not sure quite where this sits on Linux.
It'd be worth trying it on an Android phone and seeing if you have more success - you may also need to enable it via chrome://flags