Run in dev console on Bandcamp album page to calculate length

get-bandcamp-album-length.js

const rows = document.querySelectorAll("tr.track_row_view");

let tracks = 0;
let hours = 0;
let minutes = 0;
let seconds = 0;

for (const row of rows) {
  time = row.querySelector(".time")?.innerText;
  if (time && time.includes(":")) {
    tracks++;
    minutes += parseInt(time.split(":")[0]);
    seconds += parseInt(time.split(":")[1]);
  }
}

minutes += Math.floor(seconds / 60);
seconds = seconds % 60;
hours = Math.floor(minutes / 60);
minutes = minutes % 60;

hours = String(hours).padStart(2, "0");
minutes = String(minutes).padStart(2, "0");
seconds = String(seconds).padStart(2, "0");

console.log(`🎬 ${tracks} tracks ⌛ ${hours}:${minutes}:${seconds} length`);