Confirmed in FF29 (circa 12-17-2013).
This gets logged, there is a bug, but don't know if it means anything?
> Use of Mutation Events is deprecated. Use MutationObserver instead.
https://bugzilla.mozilla.org/show_bug.cgi?id=941729
If you Allow Scripts Globally, it works (even though there seemingly is only noscript.net to allow/block).
(SeaMonkey 2.26a not affected.)
(FF29, heh, what a horrid UI & UX.)
This gets logged, there is a bug, but don't know if it means anything?
> Use of Mutation Events is deprecated. Use MutationObserver instead.
https://bugzilla.mozilla.org/show_bug.cgi?id=941729
If you Allow Scripts Globally, it works (even though there seemingly is only noscript.net to allow/block).
(SeaMonkey 2.26a not affected.)
(FF29, heh, what a horrid UI & UX.)