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Editorial Team
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Asked: 2026-06-03T08:36:05+00:00

I was testing some code on the tryit editor and was unable to replicate

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I was testing some code on the tryit editor and was unable to replicate functionality when I save the code locally and was wondering it anyone had any ideas as to why this seems to happen.

The code snippet is 

<html>
<head>
<script type="text/javascript" src="http://www.w3schools.com/dom/loadxmldoc.js"></script>
</head>
<body>  
<script type="text/javascript">
xmlDoc=loadXMLDoc("http://www.w3schools.com/dom/books.xml");
for (j=0;j<xmlDoc.getElementsByTagName("book").length;j++ )
{
    x=xmlDoc.getElementsByTagName("book")[j].childNodes;
    y=xmlDoc.getElementsByTagName("book")[j].firstChild;
    for (i=0;i<x.length;i++)
    {
        if (y.nodeType==1)  
        {
            //Process only element nodes (type 1)  
            document.write(y.nodeName + " : " +x[i].childNodes[0].nodeValue + "<br />");  
        }
        y=y.nextSibling;
    }
}
</script>
</body>
</html>

Can someone tell me what I’m doing wrong here

Many thanks in advance

Edit: Thanks to all for the w3schools tip. I think I abuse the tryit more than I should stop doing so

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1 Answer

  1. Editorial Team

    You are probably running into the same origin policy here.

    Try saving the XML-file locally and load it from there instead of the remote server of w3schools.

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