Espruino Wifi requires the AT commandset firmware be available on the wifi shield. See also https://www.espruino.com/ESP8266#gotchas
Maybe you need to check if you have the correct firmware on the shield? https://www.espruino.com/ESP8266#firmware-versions
@parasquid 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.
Espruino Wifi requires the AT commandset firmware be available on the wifi shield. See also https://www.espruino.com/ESP8266#gotchas
Maybe you need to check if you have the correct firmware on the shield? https://www.espruino.com/ESP8266#firmware-versions