tildeio/rsvp.js — pull request #96 by jamesarosen (2013-07-03 23:42:37+00:00)
Title: async: use three args for addEventListener

The third argument for `addEventListener` and `removeEventListener` is supposed to be optional, defaulting to `false`, but some browsers (notably older versions of FireFox) require it.

See https://github.com/thinkpixellab/PxLoader/issues/5 and https://developer.mozilla.org/en-US/docs/Web/API/EventTarget.removeEventListener