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HTML 音频/视频 DOM volumechange 事件
tryhtml5_av_event_volumechange2
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<!DOCTYPE html> <html> <body> <p>Try to change the volume in the bottom right corner.</p> <audio id="myAudio" controls> <source src="/demo/video/horse.ogg" type="audio/ogg"> <source src="/demo/video/horse.mp3" type="audio/mpeg"> Your browser does not support the audio element. </audio> <script> let aud = document.getElementById("myAudio"); aud.onvolumechange = function() { alert("The volume has been changed"); }; </script> </body> </html>