Server response
To get a response from the server, use or responseXML responseText property of the XMLHttpRequest object.
responseText response data string obtained
document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
responseXML obtained in the form of XML response data
xmlDoc=xmlhttp.responseXML;
txt="";
x=xmlDoc.getElementsByTagName("ARTIST");
for (i=0;i<x.length;i++) {
txt=txt + x[i].childNodes[0].nodeValue + "<br>";
}
document.getElementById("myDiv").innerHTML=txt;
Note: xmlhttp is the XMLHttpRequest object.