Did you compile your own version, having Flash and Storage and in your build? Storage isn't included in the ESP8266 build, or at least it wasn't in the past.
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.
Did you compile your own version, having Flash and Storage and in your build? Storage isn't included in the ESP8266 build, or at least it wasn't in the past.