Allen Wirfs-Brock wrote:
Back to the original point, which was that making strict mode delete
throw when applied to a non-configurable property is not significantly
higher integrity than the non-strict behavior of returning false when
a property can not be deleted.
http://www.flickr.com/photos/steffmac/5733303422/lightbox/
Anton reported that this delete throw was one of the two strict mode
features that caused him some difficult in switching to string mode.
I suggested that we might consider removing the delete throw behavior
from strict mode. No body has comment on that specific idea.
I agree! Sorry for not saying so earlier, thought it was obvious ;-).
A thrown exception doesn't necessarily stop forward progress either,
with try/catch in since ES3. It tends to make empty catch boilerplate,
though. I've often contended that termination-style exceptions don't
scale: they're good for local protocols but bad in the large.
/be
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