[Webkit-unassigned] [Bug 39125] XMLHttpRequest.getResponseHeader doesn't need to be custom

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=39125





--- Comment #9 from Alexey Proskuryakov <ap at webkit.org>  2010-05-14 22:26:49 PST ---
Firefox and IE behave differently, so compatibility isn't a product of consideration, but a product of testing and adjustment. We've had this behavior since 2006, so it's vetted pretty well.

The arguments against detecting and reporting errors seem to be purely aesthetic, while the argument for detecting them is about making the platform easier to develop for. Calling getResponseHeader() without arguments makes no sense, and pretty much the only conceivable case when this could happen is a wrong copy/paste for getAllResponseHeaders(). Why make that harder to debug?

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