npm add autoplay-bgm --save
 

import AutoplayBgm from 'autoplay-bgm'

const autoplay = new AutoplayBgm(bgmStr) // init, and autoplay bgm

autoplay.stop() // stop bgm

autoplay.play() // replay bgm

<script type="module" async>
      import AutoPlay from 'autoplay-bgm'
      var audio = new AutoPlay('/testAudio.mp3')
      window.audio = new AutoPlay('/testAudio.mp3')
      window.stop = function  () {
          console.log('～111～')
          window.audio.stop()
      }
      window.replay = () => {
          console.log('～222～')
          audio.replay()
      }
      const str1 = '<button id="stop" type="button" onclick=\"stop()\">停止</button>'
      const str2 = '<button type="button" onclick="replay()">重新播放</button>'
      var btnsWrap = document.createElement('div')
      btnsWrap.innerHTML = str1 + str2
      document.body.appendChild(btnsWrap)                
  </script>