| <!DOCTYPE html> |
| <html> |
| <script> |
| function handleLoaded() { |
| context = new (window.AudioContext || window.webkitAudioContext)(); |
| var myAudio = document.querySelector('audio'); |
| myAudio = new Audio(); |
| myAudio.src = "large-video-with-audio.mp4"; |
| var source = context.createMediaElementSource(myAudio); |
| var gainNode = context.createGain(); |
| source.connect(gainNode); |
| gainNode.connect(context.destination); |
| |
| testButton.onclick = () => { |
| context.resume(); |
| myAudio.play(); |
| } |
| } |
| </script> |
| <body onload=handleLoaded()> |
| <input type="button" id="testButton" value="Click me"></input> |
| </body> |
| <html> |
