16092 2012-02-23 18:25:01 +0000 MutationObserver.disconnect() should cancel any pending deliveries 2012-02-27 22:56:03 +0000 1 1 1 Unclassified WebAppsWG DOM unspecified All All RESOLVED FIXED P2 normal --- 1 adamk annevk annevk bugs jonas mike rafaelw rniwa www-dom public-webapps-bugzilla oldest_to_newest 64494 0 adamk 2012-02-23 18:25:01 +0000 From rafaelw, in https://bugs.webkit.org/show_bug.cgi?id=78639: "It's pretty strange to call disconnect() and still *possibly* get one invocation of your callback. We should just clear any pending deliveries. It's possible that script way want to know immediately prior to calling disconnect() *what* mutation records are pending delivery. If this happens in practice, we can add a method to synchronously retrieve & clear pending mutation records." This is easy for WebKit to change, but want to make sure it makes sense and get it fixed in the spec first. 64583 1 annevk 2012-02-25 12:20:00 +0000 Olli, Jonas? 64639 2 jonas 2012-02-27 08:18:48 +0000 I agree we should cancel pending deliveries. addEventListener does the same thing FWIW. I don't think we should bother with getting a list of pending deliveries unless use cases come up. 64643 3 bugs 2012-02-27 13:28:04 +0000 (In reply to comment #2) > I agree we should cancel pending deliveries. addEventListener does the same > thing FWIW. You mean removeEventListener. I don't have strong opinion. Either way is ok to me. 64657 4 annevk 2012-02-27 22:55:44 +0000 No need to cc me if I'm the assignee. On the other hand, this once it made me fix the bug a little quicker: https://bitbucket.org/ms2ger/dom-core/changeset/d5065a7d4427 Assuming the above means to empty the record queue per new terminology.