Just as @allObjects says, if you update the Espruino version on your board you will probably find that everything works great!
@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.
Just as @allObjects says, if you update the Espruino version on your board you will probably find that everything works great!