If the interface were implemented as-is, document.responseXML would just be a reference back to the document object.
So if the document is XML, then document === document.responseXML On Wed, Oct 29, 2008 at 12:14 PM, Kristof Zelechovski <[EMAIL PROTECTED] > wrote: > What should the property "HTMLDocument.responseXML" represent? > > Chris > > > ------------------------------ > > *From:* [EMAIL PROTECTED] [mailto: > [EMAIL PROTECTED] *On Behalf Of *Weston Ruter > *Sent:* Wednesday, October 29, 2008 8:06 PM > *To:* [EMAIL PROTECTED] > *Cc:* Ian Hickson; Anne van Kesteren > *Subject:* [whatwg] Implement XMLHttpRequest interface subset on > HTMLDocument > > > > I realized that the HTTP response headers exposed in the HTMLDocument > interface <http://www.w3.org/html/wg/html5/#htmldocument> are limited: > referrer, cookie, lastModified, charset, characterSet. > > 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. > > 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. > > Here's a proposed extension to the HTMLDocument interface with some > comments to explain the semantics: > > interface HTMLDocument { > ... > //another way to get DOMContentLoaded event; the readyState would start > out as LOADING > attribute EventListener onreadystatechange; > > // state > const unsigned short UNSENT = 0; > const unsigned short OPENED = 1; > const unsigned short HEADERS_RECEIVED = 2; > const unsigned short LOADING = 3; > const unsigned short DONE = 4; > readonly attribute unsigned short readyState; //already in HTML 5 > > // request > void abort(); //complements window.stop(): stops the contained document > instead of the associated resources > > // response > DOMString getAllResponseHeaders(); > DOMString getResponseHeader(in DOMString header); > readonly attribute DOMString responseText; //the non-parsed content of > the document > readonly attribute Document responseXML; > readonly attribute unsigned short status; > readonly attribute DOMString statusText; > } >
