1601422.html (465B)
1 <html class="reftest-wait"> 2 <head> 3 <script> 4 (async _ => { 5 try { 6 const video = document.createElement('video') 7 video.preload = 'metadata' 8 video.src = 'sound.ogg' 9 await new Promise(r => video.onloadedmetadata = r) 10 const stream_1 = video.mozCaptureStreamUntilEnded() 11 video.src = '' 12 const stream_2 = video.mozCaptureStreamUntilEnded() 13 } finally { 14 document.documentElement.removeAttribute("class") 15 } 16 })() 17 </script> 18 </head> 19 </html>