如何在html上显示XML代码

Question

I have file examle.xml:

<tag> 
    <tag1>example</tag1>
</tag>

I get this file:

var xhr = new XMLHttpRequest();
xhr.open('GET', url, true);
var response = xhr.responseXML;

and i want display on html just xml tree, result on HTML site:

<tag> 
    <tag1>example</tag1>
</tag>