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HTML 音频/视频 DOM defaultMuted 属性
tryhtml5_av_prop_defaultmuted
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<!DOCTYPE html> <html> <body> <button onclick="getMuted()" type="button">Is the video muted by default?</button> <button onclick="setToMuted()" type="button">Set video to be muted by default, and reload video</button><br> <video id="myVideo" width="320" height="176" controls> <source src="/demo/video/mov_bbb.mp4" type="video/mp4"> <source src="/demo/video/mov_bbb.ogg" type="video/ogg"> Your browser does not support HTML5 video. </video> <script> let vid = document.getElementById("myVideo"); function getMuted() { alert(vid.defaultMuted); } function setToMuted() { vid.defaultMuted = true; vid.load() } </script> </body> </html>