On Jan 29, 2012, at 12:40 AM, Gavin Barraclough wrote: > On Jan 28, 2012, at 3:58 PM, Allen Wirfs-Brock wrote: >> Since most implementations already seem to have special mechanism for giving >> "magic" behavior to certain properties I would expect them to use some of >> those mechanisms here. > > No - in JSC I'm pretty sure it's going to be faster and cleaner to implement > this as a regular accessor property. > > Now, it would certainly be possible to add a mechanism to allow this accessor > to masquerade itself as a data property, but it just seems too magical and > unnecessarily weird to do so. It behaves like an accessor, so it should look > like one.
Other standard properties that have accessor like characteristics but look like data properties: array element properties array length property string character element properties argument object elements the "caller" property of function objects (see 15.3.5.4) > > cheers, > G. >
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