এইচটিএমএল ontimeupdate

<!DOCTYPE html>
<html>
<body>

<video
  controls
  ontimeupdate="timeUpdated(this)"
  width="300"
  src="/videos/rain.mp4">
</video>

<p id="message"></p>

<script>
function timeUpdated(video) {
  document.getElementById("message").innerHTML =
    video.currentTime.toFixed(1);
}
</script>

</body>
</html>