"for-in", shadowing and deleting properties.

Andreas Rossberg rossberg at google.com
Thu May 9 06:15:57 PDT 2013


On 9 May 2013 14:58, Gareth Smith <gds at doc.ic.ac.uk> wrote:
> In general, I think the message I'm getting from you is that when it
> comes to for-in, a more permissive reading of the standard is likely to
> be more accurate.
>
> Does this seem fair?

Yes, I would say so. Moreover, I wouldn't even assume that for-in
semantics is deterministic for any given VM -- it can change depending
on dynamic optimisations and representation changes.

/Andreas


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