code: function loadJSON (path, callback) {
    var xobj = new XMLHttpRequest();
    xobj.overrideMimeType('application/json');
    xobj.open('GET', path, true);
    xobj.onreadystatechange = function () {
      if (xobj.readyState === 4 && xobj.status === 200) {
        callback(xobj.responseText);
      }
    };
    xobj.send(null);
  }
docs: Read sample results data