[webkit-dev] Runtime setting for incomplete features

[Jeremy Orlow]

On Fri, Sep 18, 2009 at 12:59 PM, Alexey Proskuryakov <ap at webkit.org> wrote:

>
> 18.09.2009, в 12:24, Jeremy Orlow написал(а):
>
>  I'm not sure if we've hit any compatibility issues with this yet, but it
>> seems quite plausible that someone would compare window.localStorage (or
>> sessionStorage or database) to undefined and, since it's null (vs.
>> undefined), their script would assume it's available.
>>
>
> Note that they can also do '"localStorage" in window', which we can't
> easily prevent from returning true.
>

That's true.  And unfortunate.

What would be involved in making it not return true?
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