Not sure, but this might help give some explanation of what happens: http://www.espruino.com/Saving
@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.
Not sure, but this might help give some explanation of what happens: http://www.espruino.com/Saving