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<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>What should the property "HTMLDocument.responseXML”
represent?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>Chris<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> whatwg-bounces@lists.whatwg.org
[mailto:whatwg-bounces@lists.whatwg.org] <b><span style='font-weight:bold'>On
Behalf Of </span></b>Weston Ruter<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, October 29, 2008
8:06 PM<br>
<b><span style='font-weight:bold'>To:</span></b> whatwg@whatwg.org<br>
<b><span style='font-weight:bold'>Cc:</span></b> Ian Hickson; Anne van Kesteren<br>
<b><span style='font-weight:bold'>Subject:</span></b> [whatwg] Implement
XMLHttpRequest interface subset on HTMLDocument</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>I realized that the HTTP
response headers exposed in the <a
href="http://www.w3.org/html/wg/html5/#htmldocument">HTMLDocument interface</a>
are limited: referrer, cookie, lastModified, charset, characterSet.<br>
<br>
It would be very useful if a script could get *all* of the response headers,
the raw entity body, and the HTTP status: basically it would be great if the
HTMLDocument interface implemented a subset of of the XMLHttpRequest spec,
namely the parts which have to do with the response (e.g.
getAllResponseHeaders(), getResponseHeader(), status, and others which appear
below). The HTMLDocument interface already has a readyState property which
XMLHttpRequest also has, but the HTMLDocument interface lacks XHR's onreadystatechange
attribute.<br>
<br>
If this subset were implemented on HTMLDocument, then scripts would be able to
determine if the page if a 404 or get any other arbitrary information that is
passed in the response header.<br>
<br>
Here's a proposed extension to the HTMLDocument interface with some comments to
explain the semantics:<br>
<br>
</span></font><font face="Courier New"><span style='font-family:"Courier New"'>interface
HTMLDocument {<br>
...<br>
//another way to get DOMContentLoaded event; the readyState would start
out as LOADING<br>
attribute EventListener onreadystatechange;<br>
<br>
// state<br>
const unsigned short UNSENT = 0;<br>
const unsigned short OPENED = 1;<br>
const unsigned short HEADERS_RECEIVED = 2;<br>
const unsigned short LOADING = 3;<br>
const unsigned short DONE = 4;<br>
readonly attribute unsigned short readyState; //already in HTML 5<br>
<br>
// request<br>
void abort(); //complements window.stop(): stops the contained document
instead of the associated resources<br>
<br>
// response<br>
DOMString getAllResponseHeaders();<br>
DOMString getResponseHeader(in DOMString header);<br>
readonly attribute DOMString responseText; //the non-parsed content of
the document<br>
readonly attribute Document responseXML;<br>
readonly attribute unsigned short status;<br>
readonly attribute DOMString statusText;<br>
}</span></font><o:p></o:p></p>
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