Thanks for letting me know. I've just fixed this, so it'll be in the 1v71 release of Espruino.
@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.
Thanks for letting me know. I've just fixed this, so it'll be in the 1v71 release of Espruino.