Open IgnoredAmbience opened 6 years ago
For-in reform is being discussed in tc39/ecma262#1281, https://github.com/bakkot/for-in-exploration and at the next tc39 meeting: https://docs.google.com/presentation/d/1ppVLFjnd2iGksBXeu97lml2cs9dTRJnJLfufcshvPcs/edit?usp=sharing
This is great news. I won't be at the September meeting but I'll try to learn more at the November's one.
I may dial into the September one to listen in on the discussion.
ordinary_own_property_keys
needs a correct implementation.The main hurdle here is the chronological ordering of steps 3 and 4:
Following this, an implementation of the
for-in
enumeration order defined by EnumerateObjectProperties is required.Then,
enumerable_own_properties
can also be implemented.