[Javascript] XMLHTTP send and receive stumper

[Matt Warden]

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Ryan Cannon wrote:
> Greetings,
> 
> I'm attempting to use XML HTTP to send and receive XML data, and then 
> append the results to an XHTML page. Essentially I want to use the 
> following class (or similar):
> 
> function Feed(name,url) {
>     this.name=name;
>     this.url=url;
>     this.status=0;
>     this.xml=null;
>     this.html=null;
>     this.load=function () {
>         loading=true;
>         loadXMLDoc(this.url,"GET",null);
>         this.status=1;
>     }
> }
> 
> Feed.load() will download the appropriate url, and save it's 
> responseText in Feed.xml. the xmlhttp object will be dumped and re-
> initialized, sending Feed.xml as a post variable to my XSLT  processor,
> which translates the XML into XHTML. This resultXML will  be stored in
> Feed.html, and later appended to the page.
> 
> Everything seemed to be going swimmingly, until I try to append the 
> result. body.innerHTML+=xmlhttp.responseText works fine, but 
> body.appendChild(xmlhttp.responseXML) causes the following error in 
> Firefox:
> 
> Error: [Exception... "Node cannot be inserted at the specified point  in
> the hierarchy"  code: "3" nsresult: "0x80530003 
> (NS_ERROR_DOM_HIERARCHY_REQUEST_ERR)" ...]

responseXML refers to an XML DOM document.


for (var i=0; i<xmlhttp.responseXML.children.length; i++) {
    body.appendChild(xmlhttp.responseXML.children[i]);
}



- --
Matt Warden
Miami University
Oxford, OH, USA
http://mattwarden.com


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