$.js

const $ = function(Selector) {
  return document.querySelector(Selector);
}

$.Json = function(Object){
  return JSON.parse(Object)
}

$.Ajax = function(type = "GET", link) {
  var xhttp = new XMLHttpRequest();
  xhttp.onreadystatechange=function() {
    if (this.readyState == 4 && this.status == 200) {
      document.getElementById("demo").innerHTML = this.responseText;
    }
  };
  xhttp.open(type, link, true);
  xhttp.send();
}