function onloaded() {
  const elems = document.getElementsByClassName("big-number");
  for (let i = 0; i < elems.length; i++) {
    const elem = elems[i];
    elem.innerText = parseInt(elem.dataset.value).toLocaleString();
  }
  const megaElems = document.getElementsByClassName("mega-date");
  for (let i = 0; i < megaElems.length; i++) {
    const elem = megaElems[i];
    const date = new Date();
    date.setTime(elem.dataset.value);
    elem.innerText = date.toLocaleDateString(undefined, { year: 'numeric', month: 'long', day: 'numeric' });
  }
}