W3C home > Mailing lists > Public > whatwg@whatwg.org > June 2005

[whatwg] XMLHttpRequest: getAllResponseHeaders

From: Hallvord Reiar Michaelsen Steen <hallvord@hallvord.com>
Date: Wed, 22 Jun 2005 10:44:39 +0200
Message-ID: <42B94117.32300.3E2667A@localhost>
On 22 Jun 2005 at 10:24, I wrote:

> > getAllResponseHeaders() 
> > If the readyState attribute has a value other than 3 (Receiving) or
> > 4 (Loaded), returns null.

> 1) This seems a bit inconsistent since the spec says that accessing 
> status and statusText out of order should cause exception.
> 2) This is not what UAs actually do. IE and FF throw an exception and 
> Opera returns an empty string.

Same applies to getResponseHeader, except that the spec actually says 
"return empty string" rather than null here.

FF actually throws an exception if you try to read a non-existing 
header. The spec recommendation is returning an empty string, which 
seems better.
Hallvord Reiar Michaelsen Steen
Received on Wednesday, 22 June 2005 01:44:39 UTC

This archive was generated by hypermail 2.4.0 : Wednesday, 22 January 2020 16:58:41 UTC