On Sat, Jan 28, 2012 at 5:21 PM, Gavin Barraclough <[email protected]>wrote:
[...]
> Given this is __proto__ we're talking about, maybe it just isn't worth
> being overly specific here?
>
> How about we just specify that:
> * The only permissible way to modify an object's [[Prototype]] is
> through __proto__.
> * __proto__ must be a property of Object.prototype.
> * __proto__ must be configurable.
>
> This would mean that any conforming implementation would have a easy,
> spec-defined way to remove __proto__, without burdening browsers who
> implement this as a data descriptor to change their implementations to make
> it an accessor descriptor, or burdening browsers who implement this as an
> accessor descriptor to change their implementations to make it a data
> descriptor.
>
> Are there a significant practical benefit of a more restrictive
> specification that this fails to cover?
Reducing gratuitous observable differences between implementations. I care
much more that we all agree on one alternatives than I care which one it is.
--
Cheers,
--MarkM
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