简单教程
提交运行
代码编辑器:
<video id="myVideo" width="320" height="240" controls> <source src="/static/i/html/html_video_1.mp4" type="video/mp4"> <source src="/static/i/html/html_video_1.ogg" type="video/ogg"> 您的浏览器不支持 video 标签。 </video><br> <button onclick="getPlaySpeed()" type="button">默认播放速度?</button> <button onclick="setPlaySpeed()" type="button">设置以慢速播放</button> <script> var x = document.getElementById("myVideo"); function getPlaySpeed(){ alert(x.defaultPlaybackRate); } function setPlaySpeed(){ x.defaultPlaybackRate = 0.5; x.load(); } </script>
运行结果: