http://wiki.ecmascript.org/doku.php?id=strawman:classes_with_trait_composition#open_issues
This looks pretty good at a glance, but it's a lot, and it's new.
I have to say this reminds me of ES4 classes. That's neither bad nor good, but
it's not just superficial, as far as I can tell (and I was reading specs then
and now).
On the other hand, I'm in no rush to standardize something this complex and yet
newly strawman-spec'ed and yet unimplemented. So we may as well take our time,
learn from history, and go around the karmic wheel again for another few
years...
I'm not against classes as a near-term objective, but in order to be near-term
and not to unwind in committee, I believe they have to be dead simple and
prototypal, with very few knobs, bells and whistles. Factoring out privacy and
leaving constructor in charge of per-instance property setting, as it is in
ES5, would IMHO help.
/be
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