Provides the ability to watch for changes being made to the DOM tree. It is designed as a replacement for the older Mutation Events feature which was part of the DOM3 Events specification.
Members
void
# disconnect
Stops observer from observing any mutations. Until the observe() method is used again, observer's callback will not be invoked.
void
# observe
Instructs the user agent to observe a given target (a node) and report any mutations based on the criteria given by options (an object).
The options argument allows for setting mutation observation options via object members.