AJAX calls

// GET:
const Http = new XMLHttpRequest();
const url='http://example.com/';
Http.open("GET", url);
Http.send();
Http.onreadystatechange=(e)=>{
if (Http.readyState === 4) {
   console.log(Http.responseText);
}
}

//POST:
var xhr = new XMLHttpRequest();
xhr.open("POST", '/user', true);
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");

xhr.onreadystatechange = function() {
    if (this.readyState === XMLHttpRequest.DONE && this.status === 200) {
          var return_data = hr.responseText;
        // Request finished. Do processing here.
    }
}
xhr.send("name=Ipseeta&id=1");