On Dec 11, 2009, at 8:36 AM, Maciej Stachowiak wrote:
On Dec 10, 2009, at 10:06 PM, Mark S. Miller wrote:
has 263. I will proceed to worry only about hasOwnProperty until
someone objects.
Note that these are hits found in source repositories, not on the
Web. So I would not put too much stock in the number of hits except
as an existence proof. Both of these include hits from JavaScript
libraries, likely meaning there are many deployed copies of the code
in question (though unclear if that code path gets hit as the JS
libraries are used in practice).
Absolutely. The best case with codesearch would be to get no results
-- that would suggest but not prove that the construct is not used.
Getting any hits casts doubt on claim that the construct isn't used
enough to worry about. More than a few handfuls of hits -> you should
worry.
Mark, I don't think we can pick meta-level methods to worry about and
not worry about, if the goal is transparent wrapping or catch-all
based DOM emulations. OTOH, propertyIsEnumerable is much less used
than hasOwnProperty, whether directly or via .call. But in principle
it is the same kind of animal.
/be
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