DateForGitHub.js

(() => {
  const escapeAttribute = "data-datetime-default-value";
  const phenotypeAttribute = "title";
  const interval = 2000;
  const format = item => {
    return item.getAttribute(escapeAttribute) +
      " (" + item.getAttribute(phenotypeAttribute) + ")"
  };
  const process = () => {
    document.querySelectorAll("*[datetime][" + phenotypeAttribute + "]").forEach(item => {
      if (!item.hasAttribute(escapeAttribute) ||
        (
          item.getAttribute(escapeAttribute) != item.innerHTML &&
          format(item) != item.innerHTML
        )
      ) {
        item.setAttribute(escapeAttribute, item.innerHTML);
      }
      item.innerHTML = format(item);
    });
    document.querySelectorAll("table.files td.age").forEach(item => {
      item.style.width = "auto";
    });
    window.setTimeout(process, interval);
  };
  process();
})();