Re: getComputedStyle - Why window member function?

> And you can have a pure in memory DOM document that is not rendered
> anywhere, like an responseXML document or one created from DOMParser or
> one created with document.implementation.createDocument. As computing
> styles on such documents does not make much sense I think the
> document.defaultView
> (http://www.w3.org/TR/DOM-Level-2-Views/views.html#Views-AbstractView)
> was introduced and that is null for documents like I listed above. For
> rendered documents implementors mapped document.defaultView to the
> window object. I don't know whether that was the intention of the
> authors of the "Document Object Model Views" spec. But it certainly make
> sense not to have getComputedStyle exposed on all kind of documents.

Shouldn't this function then return 'undefined' in those cases?

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