Thanks - just created a new issue for this: https://github.com/espruino/Espruino/issues/2258
Not sure how that happened as that's pretty much the first thing you'd test when implementing Math.round!
@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 - just created a new issue for this: https://github.com/espruino/Espruino/issues/2258
Not sure how that happened as that's pretty much the first thing you'd test when implementing Math.round!