自动播放音乐JS网站HTML代码

<audio id="bgmusic" src="/song.mp3" autoplay preload loop></audio>
  <script src="http://res.wx.qq.com/open/js/jweixin-1.4.0.js" type="text/javascript"></script>
 <script>
    window.onload = function(){
      function autoPlayAudio() {
            wx.config({
                 wx.ready
                debug: false
                , appId: ''
                , timestamp: 1
                , nonceStr: ''
                , signature: ''
                , jsApiList: []
            });
            wx.ready(function () {
              document.getElementById("bgmusic").play();
            });
        }
    autoPlayAudio();
  }
  </script>