So, cmdOnSlave("slave2", "console.log(E.getTemperature())");
cmdOnSlave("slave2", "console.log(E.getTemperature())");
@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.
So,
cmdOnSlave("slave2", "console.log(E.getTemperature())");