text: let asal = "";
  let tujuan = "";
  
  // GET parameter
  url = new URL(window.location.protocol + "//" + window.location.host + "/" + window.location.pathname + window.location
      .search);
  let searchParams = new URLSearchParams(url.search);
  tujuan = url.searchParams.get('tujuan');
  // console.log(tujuan);
  
  // mengakses DOM scene
  scene = document.querySelector("a-scene");
  
  // Mengambil data JSON dari server
  var url = './dispatcher/armarker.json'; // URL dari data JSON
  fetch(url)
      .then((resp) => resp.json())
      .then(function (data) {
          createMarker(data, scene); // membuat obyek
      })
      .catch(function (error) {
          console.log(JSON.stringify(error));
      });