let databox;
function initiate() {
  databox = document.getElementById("databox");
  const myfiles = document.getElementById("myfiles");
  myfiles.addEventListener("change", process);
}
function process(event) {
  const files = event.target.files;
  const myfile = files[0];
  const reader = new FileReader();
  reader.addEventListener("load", show);
  reader.readAsText(myfile);
}
function show(event) {
  const result = event.target.result;
  databox.innerHTML = result;
}
window.addEventListener("DOMContentLoaded", initiate);