小编use*_*420的帖子

function playVideo() {
  var starttime = 0; // start at 0 seconds
  var endtime = 2; // stop at 2 seconds
  var video = document.getElementById('videoElm');

  video.addEventListener("timeupdate", function() {
    if (this.currentTime >= endtime) {
      this.pause();
      //  SHOULD LOOP HERE? 
    }
  }, false);

  //suppose that video src has been already set properly
  video.load();
  video.play();
  try {
    video.currentTime = starttime;
  } catch (ex) {
    //handle exceptions here
  }
}

playVideo();

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div>
  <video id="videoElm" autoplay muted controls loop>
    <source …