1560215.html (609B)
1 <html class="reftest-wait"> 2 <head> 3 <script> 4 async function start () { 5 const canvas = document.createElement('canvas') 6 const context = canvas.getContext('2d') 7 context.fillStyle = "red" 8 context.fillRect(0, 0, 1, 1) 9 const recorder = new MediaRecorder( 10 canvas.captureStream(), { videoBitsPerSecond: 16 }) 11 recorder.start(100) 12 await new Promise(r => recorder.onstart = r) 13 recorder.pause() 14 document.documentElement.removeAttribute("class") 15 } 16 17 window.addEventListener('load', start) 18 </script> 19 </head> 20 </html>