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Re: [xmlhttprequest] getResponseHeader() for invalid header

From: Anne van Kesteren <annevk@opera.com>
Date: Sat, 08 Mar 2008 00:12:36 +0100
To: "Maciej Stachowiak" <mjs@apple.com>
Cc: "Web API WG (public)" <public-webapi@w3.org>
Message-ID: <op.t7n5fasy64w2qv@annevk-t60.oslo.opera.com>

On Sat, 08 Mar 2008 00:06:02 +0100, Maciej Stachowiak <mjs@apple.com>  
> On Mar 7, 2008, at 2:59 PM, Anne van Kesteren wrote:
>> Currently getResponseHeader() returns the empty string for invalid  
>> header names.  Would people object if I changed that to returning null  
>> instead (basically making it equivalent to headers not part of the  
>> response)? Thanks.
> What do current implementations do for these cases?

I think three out of four return null for a non-existent header (IE being  
the exception, iirc). Firefox and an internal version of Opera also return  
null for invalid headers. (Although for Firefox it seems to differ on  
based on whether the request has happened already or something...)

Anne van Kesteren
Received on Friday, 7 March 2008 23:12:47 UTC

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