During my i18n of alarms work https://github.com/espruino/BangleApps/pull/202 I also experienced these king of problems. When I commented out putting the initial empty json file on the bangle.js during install, the problems went away cf. https://github.com/DerGuteWolf/BangleApps/blob/a794c64c3196f2247aff86ea7150befbd8a19bd5/apps/alarm/alarm.html#L91
@DerGuteWolf 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.
During my i18n of alarms work https://github.com/espruino/BangleApps/pull/202 I also experienced these king of problems. When I commented out putting the initial empty json file on the bangle.js during install, the problems went away cf. https://github.com/DerGuteWolf/BangleApps/blob/a794c64c3196f2247aff86ea7150befbd8a19bd5/apps/alarm/alarm.html#L91