Optional argument types

[Andrea Giammarchi]

not really, you can have frozen top or stuff like that ... but the point
is: why would you use same origin frames and, if you do, why not using
postMessage that won't have any instanceof Array problem.

An example/realworld case that could not do it differently? I don't
remember one

On Wed, Sep 26, 2012 at 2:33 PM, Alex Russell <slightlyoff at google.com>wrote:

>
> I don't understand why it's problematic. We're talking about same-origin
> windows. If there's something malicious on one, it's game over.
>
>
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