I don't know the current state of the WebIDE but a few weeks ago the "Advanced" option did not work in general. The reason is that calls to the Espruino API will be minified/renamed too.
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.
I don't know the current state of the WebIDE but a few weeks ago the "Advanced" option did not work in general. The reason is that calls to the Espruino API will be minified/renamed too.
http://forum.espruino.com/conversations/292590/#comment13205984