There is a section on I2C on the esp8266 page: http://www.espruino.com/EspruinoESP8266
@tve 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.
There is a section on I2C on the esp8266 page: http://www.espruino.com/EspruinoESP8266