Perhaps this helps: http://www.espruino.com/Puck.js+iBeacon (especially the last part)
@Spocki 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.
Perhaps this helps: http://www.espruino.com/Puck.js+iBeacon (especially the last part)