CODE EXAMPLE FOR JAVASCRIPT

Control a progress bar for custom video player

function setTime() {
  const minutes = Math.floor(media.currentTime / 60);
  const seconds = Math.floor(media.currentTime - minutes * 60);

  const minuteValue = minutes.toString().padStart(2, '0');
  const secondValue = seconds.toString().padStart(2, '0');

  const mediaTime = `${minuteValue}:${secondValue}`;
  timer.textContent = mediaTime;

  const barLength = timerWrapper.clientWidth * (media.currentTime/media.duration);
  timerBar.style.width = `${barLength}px`;
}