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javascript - youtube 自动播放不起作用

问题描述

我正在使用 youtube embed 来显示视频。我需要在网站打开时自动播放

<iframe class="slider-image-mockup align-center" width="100%" height="750" src="https://www.youtube-nocookie.com/embed/Y-p828Jy8C8?rel=0&amp;controls=0&autoplay=1&loop=1&playlist=Y-p828Jy8C8&amp;showinfo=0" frameborder="0" allow="autoplay; loop; encrypted-media" allowfullscreen></iframe>

我在它工作正常之前使用这个代码，但在过去的几天里。自动播放不起作用...

听起来可能很疯狂，但我没有更改代码中的任何内容。单击播放按钮后，它的显示如下所示，只有视频正在播放

在此处输入图像描述

标签： javascripthtmlyoutube

解决方案

    <!DOCTYPE html>
    <html>
     <body>
    <!-- 1. The <iframe> (and video player) will replace this <div> tag. -->
    <div id="player"></div>

    <script>
      // 2. This code loads the IFrame Player API code asynchronously.
      var tag = document.createElement('script');

      tag.src = "https://www.youtube.com/iframe_api";
      var firstScriptTag = document.getElementsByTagName('script')[0];
      firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);

      // 3. This function creates an <iframe> (and YouTube player)
      //    after the API code downloads.
      var player;
      function onYouTubeIframeAPIReady() {
        player = new YT.Player('player', {
          height: '390',
          width: '640',
          videoId: 'M7lc1UVf-VE',
          events: {
            'onReady': onPlayerReady,
            'onStateChange': onPlayerStateChange
          }
        });
      }

      // 4. The API will call this function when the video player is ready.
      function onPlayerReady(event) {
        event.target.playVideo();
      }

      // 5. The API calls this function when the player's state changes.
      //    The function indicates that when playing a video (state=1),
      //    the player should play for six seconds and then stop.
      var done = false;
      function onPlayerStateChange(event) {
        if (event.data == YT.PlayerState.PLAYING && !done) {
          setTimeout(stopVideo, 6000);
          done = true;
        }
      }
      function stopVideo() {
        player.stopVideo();
      }
    </script>
  </body>
</html>

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