js获取视频时长

 <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
  <div class="video">
    <video  src="../media/145.mp4" controls></video>
  </div>
  <div class="video">
    <video  src="../media/demo.mp4" controls></video>
  </div>
  <script>
//jquery获取对象
//var $video = $('#myVideo');
// 转换为DOM对象
//var video = $video[0]; // 或者使用 $video.get(0)

function getSecond(seconds) {
  var minutes = Math.floor(seconds / 60);
  var remainingSeconds = seconds % 60;
  var minuteString = minutes < 10? '0' + minutes : minutes;
  var secondString = remainingSeconds < 10? '0' + remainingSeconds : remainingSeconds;
  return minuteString + ':' + Math.floor(secondString);
}
 function getVideoDurations() {
         $(".video").each(function(){
          var that = $(this);
          var video = that.find('video').get(0);
           video.addEventListener('loadedmetadata', function () {
            that.append('<span class="vtime">'+getSecond(this.duration)+'</span>')
             //console.log('视频的时长：' + getSecond(this.duration));
           })
         })
    }
getVideoDurations();
</script>