Steps to reproduce
See demo at: https://jsfiddle.net/x1dfodLy/8/
(Syntax error in Edge, works fine in Firefox.)
Further testing from PPK on our MutationObserver implementation showed that we do not implement automatic promotion of
attributes: true when
attributeFilter is set to true (but
attributes key is absent). Additionally, when
characterData key is absent in the config dictionary, then if
characterDataOldValue is set,
characterData should be implied as well.
(This is steps 1 & 2 in the observe algorithm from the DOM spec.
Comments and activity
- Microsoft Edge Team
Changed Assigned To to “James M.”
Changed Assigned To to “travil”
Changed Status to “Confirmed”