On Sep 26, 2009, at 11:16 PM, Cameron McCormack wrote:
OK, that is indeed what I’m hearing from you guys. “Host objects may
implement these [internal] methods in any manner unless specified
otherwise” in ES3 doesn’t sound like it’s particularly discouraging of
the different behaviour that Web IDL prescribes.
That is regrettable ES1-era language, written to accommodate the "host
objects" found prominently in IE due to too-low-level COM integration.
It should have come with color commentary advising against exploiting
the barn-door-sized loopholes.
Why is functionality that isn't available through native objects
needed?
For web compatibility, really.
Web Storage is a recent example of something other than web
compatibility at work. Imitation of what went before, keystroke-
optimization to use the short property reference expression instead of
get/put/remove methods, or both, AFAICT.
Ignoring the legacy issues, assuming we have ES5 to build on, then
yeah
it seems like most things can be done (from Maciej’s quick analysis).
The array like objects do seem like a useful pattern for authors to
use,
though.
Seems like everyone agrees Array-likes are not the issue.
/be
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