hay/stapes — pull request #35 by wellcaffeinated (2013-03-07 21:39:05+00:00)
Title: Added mutate event for attribute removal

There are many use cases for
performing a clean up when properties are removed
from a stapes module. A mutate event exposes the
old value so it can be used in the clean up process.

Here's a great use case as an example:
http://jsfiddle.net/wellcaffeinated/RR7hx/