1708790.html - mozsearch

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<html class="reftest-wait">

<head>

<script>

(async _ => {

  try {

    const audio = document.createElement('audio');

    audio.src = 'sound.ogg';

    const ac = new AudioContext();

    const src = ac.createMediaElementSource(audio);

    src.connect(ac.destination);

    await audio.play();

    audio.pause();

    audio.volume = 0.5;

    audio.playbackRate = 0.5;

    audio.preservesPitch = false;

  } finally {

    document.documentElement.removeAttribute("class")

})()

</script>

</head>

</html>