var getXML2 = (url, callback) => {

let xhr = new XMLHttpRequest();

xhr.open('GET', url, true);

xhr.responseType = 'xml';

xhr.onload = () => {

let status = xhr.status;

if (status == 200) {

callback(null, xhr.responseXML);

} else {

callback(status);

}

};

xhr.send();

};

getXML2('http://webcode.me/users.xml', (err, xml) => {

if (err != null) {

console.error(err);

} else {

let users = xml.getElementsByTagName("user");

for (let i = 0; i < users.length; i++) {

let value = '';

for (let j = 0; j < users[i].children.length; j++) {

value += " " + users[i].children[j].innerHTML;

}

let node = document.createElement("li");

let textnode = document.createTextNode(value);

node.appendChild(textnode);

document.getElementById("output").appendChild(node);

}

}

});