1708790.html (500B)
1 <html class="reftest-wait"> 2 <head> 3 <script> 4 (async _ => { 5 try { 6 const audio = document.createElement('audio'); 7 audio.src = 'sound.ogg'; 8 const ac = new AudioContext(); 9 const src = ac.createMediaElementSource(audio); 10 src.connect(ac.destination); 11 await audio.play(); 12 audio.pause(); 13 audio.volume = 0.5; 14 audio.playbackRate = 0.5; 15 audio.preservesPitch = false; 16 } finally { 17 document.documentElement.removeAttribute("class") 18 } 19 })() 20 </script> 21 </head> 22 </html>