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Using javascript to grab a node out of xml

 
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jphilapy
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Joined: 21 Apr 2009
Posts: 1

PostPosted: Tue Apr 21, 2009 6:39 am    Post subject: Using javascript to grab a node out of xml Reply with quote

Howdy,

I am having difficulty figuring out how to get javascript to read some nodes from my xml file. Please note, I can get js to read some nodes. But some I am not able to.

Here is my xml file:
Code:
<?xml version="1.0" ?>
<photoGallery>
   <project>
      <title>Sample Project 1</title>
      <projectImage>Blue_Vista.jpg</projectImage>
      <description>Description goes here </description>
                <subGallery>
                    <subImage>img1.jpg</subImage>
                    <subImage>img2.jpg</subImage>
                    <subImage>img3.jpg</subImage>
                 </subGallery>
   </project>
</photoGallery>


If I want to read from the title node, I just use the js like this:
Code:
var titleValue = http2.responseXML.getElementsByTagName("title");


Ditto for the projectImage and description nodes. However I do not know how to grab all the images under the subImage node.

The final result of this would be that I print a page that shows a Projects title, projectImage, description and then lists all the images as you find them in subImage.

It is ok to illustrate this with prototype.js.

Just wanted to clarify too that the http2 above is an object created from the xmlhttp request object. See the code below:

Code:
function getXMLHTTPRequest() {
    try {
        req = new XMLHttpRequest();
    } catch(err1) {
      try {
          req = new ActiveXObject("Msxml2.XMLHTTP");
      } catch (err2) {
        try {
            req = new ActiveXObject("Microsoft.XMLHTTP");
        } catch (err3) {
             req = false;
        }
      }
    }
    return req;
}

var http2 = getXMLHTTPRequest();


Thanks,
Jeff
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