安科网
源代码：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>安科教程(www.ancii.com)</title> </head> <body> <video id="myVideo" width="320" height="240" controls> <source src="/statics/demosource/movie.mp4" type="video/mp4"> <source src="/statics/demosource/movie.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> </body> </html>
运行结果
Copyright © 2013 - 2019 Ancii.com All Rights Reserved
京ICP备18063983号-5
京公网安备11010802014868号