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cloneNode(include_all)
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include_all ±ØÐè¡£Èç¹ûÕâ¸ö²¼¶û²ÎÊýÉèÖÃΪ true£¬±»¿Ë¡µÄ½Úµã»á¸´ÖÆÔ­Ê¼½ÚµãµÄËùÓÐ×ӽڵ㡣

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xmlDoc=loadXMLDoc("books.xml");

oldNode=xmlDoc.getElementsByTagName('book')[0];
newNode=oldNode.cloneNode(true);
xmlDoc.documentElement.appendChild(newNode);

//Output all titles
y=xmlDoc.getElementsByTagName("title");
for (i=0;i<y.length;i++)
{
document.write(y[i].childNodes[0].nodeValue);
document.write("<br />");
}

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