主页
HTML 参考手册
HTML 音频/视频 DOM defaultPlaybackRate 属性
tryhtml5_av_prop_defaultplaybackrate
运行 ❯
×
更改方向
保存代码
更改主题
<!DOCTYPE html> <html> <body> <button onclick="getPlaySpeed()" type="button">What is the default playback speed?</button> <button onclick="setPlaySpeed()" type="button">Set video to be play in slow motion</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 getPlaySpeed() { alert(vid.defaultPlaybackRate); } function setPlaySpeed() { vid.defaultPlaybackRate = 0.5; vid.load(); } </script> </body> </html>