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<html><body><p id="demo"></p><script>var xhttp = new XMLHttpRequest();xhttp.onreadystatechange = function() { if (this.readyState == 4 && this.status == 200) { myFunction(this); }};xhttp.open("GET", "books.xml", true);xhttp.send();function myFunction(xml) { var x, y, xmlDoc, txt; xmlDoc = xml.responseXML; txt = ""; x = xmlDoc.getElementsByTagName("title")[0]; txt += "Child nodes: " + x.childNodes.length +"<br>"; y = x.childNodes[0]; x.removeChild(y); txt += "Child nodes: " + x.childNodes.length; document.getElementById("demo").innerHTML = txt;}</script></body></html>