function show(keyword) {
  const mytransaction = db.transaction(["movies"]);
  const mystore = mytransaction.objectStore("movies");
  const request = mystore.get(keyword);
  request.addEventListener("success", showlist);
}
function showlist(event) {
  const result = event.target.result;
  databox.innerHTML = "<div>" + result.id + " - " + result.name + " - " + result.date + "</div>";
}