​x
 
<!DOCTYPE html>
<html>
<body>
​
<audio id="myAudio" controls>
  <source src="/i/audio/song.mp3" type="audio/mpeg">
  <source src="/i/audio/song.ogg" type="audio/ogg">
  您的浏览器不支持 audio 元素。
</audio><br>
​
<button onclick="enableAutoplay()" type="button">启用自动播放</button>
<button onclick="disableAutoplay()" type="button">禁用自动播放</button>
<button onclick="checkAutoplay()" type="button">检查自动播放状态</button>
​
<script>
var x = document.getElementById("myAudio");
​
function enableAutoplay() { 
  x.autoplay = true;
  x.load();
}
 
function disableAutoplay() { 
  x.autoplay = false;
  x.load();
} 
  
function checkAutoplay() { 
  alert(x.autoplay);
} 
</script> 
​
</body>
</html>
​