You shouldnt store properties on the prototype chain like that. Your abusing Object.create as a shallow copy. Use a real shallow copy method.
On Nov 8, 2011 7:07 PM, "Felipe Gasper" <[email protected]> wrote: On 11/8/11 12:37 PM, Axel Rauschmayer wrote: > > What’s the use case? I thought I gave a pretty reasonable one before, but just in case: In YUI, it’s impossible to use this otherwise-useful pattern: --------- var base_config = { width: "600px" }; … var my_config = Object.create(base_config); my_co... > > > Don’t forget that whenever you set a property, you only ever modify the > > first object in the prot... > Right…that’s why gave() walks the prototype chain unless it finds the property *on* the object itself. > > The “own property” debate mainly exists, because objects are (ab)used as > dictionaries. Then ... I disagree. That’s actually the crux of what I’m getting at. IMO, you actually do want “inherited entries”; what you don’t want are specifically those things inherited from Object.prototype. Weeding out *all* inherited properties assumes that there is no legitimate use case for objects inheriting from other objects…which defeats the whole purpose of stuff like Object.create(). -FG _______________________________________________ es-discuss mailing list [email protected] http...
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