<!DOCTYPE html>
<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", "/demo/xml/books.xml", true);xhttp.send();
function myFunction(xml) { var xmlDoc = xml.responseXML;
var x;
var txt = "";
x = xmlDoc.getElementsByTagName("title")[0].childNodes[0]; txt += x.nodeValue + "<br>";
x.nodeValue = "潮菜天下";
x = xmlDoc.getElementsByTagName("title")[0].childNodes[0]; txt += x.nodeValue + "<br>";
document.getElementById("demo").innerHTML = txt;}
</script>
</body>
</html>