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//check if the next sibling node is an element node
function get_nextsibling(n)
{
var x=n.nextSibling;
while (x.nodeType!=1)
 {
 x=x.nextSibling;
 }
return x;
}

xmlDoc=loadXMLDoc("books.xml");

var x=xmlDoc.getElementsByTagName("title")[0];
document.write(x.nodeName);
document.write(" = ");
document.write(x.childNodes[0].nodeValue);

var y=get_nextsibling(x);

document.write("<br />Next sibling: ");
document.write(y.nodeName);
document.write(" = ");
document.write(y.childNodes[0].nodeValue);

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title = Everyday Italian
Next sibling: author = Giada De Laurentiis
VUE