Check to see how much time you've spent listening to an album

googleplaymusic.js

//Make sure the entire page is loaded, zoom waaay out so all songs are visible.

//Check with this
var total = 0;

[...document.querySelectorAll(".songlist-container tbody > tr.song-row")].forEach(obj => {
  const a = obj.children[2];
  const duration = a.innerText;
  const t = obj.children[6];
  if (!t) {
	console.log(obj)
	return
  }
  const times = t.innerText;

  const seconds = toSeconds(duration);
  const final = seconds * times;
  total += final;
});

console.log(secondsToHms(total));

function toSeconds(time) {
  const parts = time.split(":");
  const minutes = Number(parts[0]);
  const seconds = Number(parts[1]);
  return seconds + minutes * 60;
}

function secondsToHms(d) {
  d = Number(d);
  const h = Math.floor(d / 3600);
  const m = Math.floor(d % 3600 / 60);
  const s = Math.floor(d % 3600 % 60);

  const hDisplay = h > 0 ? h + (h == 1 ? " hour, " : " hours, ") : "";
  const mDisplay = m > 0 ? m + (m == 1 ? " minute, " : " minutes, ") : "";
  const sDisplay = s > 0 ? s + (s == 1 ? " second" : " seconds") : "";
  return hDisplay + mDisplay + sDisplay;
}