简单教程
提交运行
代码编辑器:
<button onclick="getPlaySpeed()" type="button">默认的播放速度是多少?</button> <button onclick="setPlaySpeed()" type="button">把视频设置为默认低速播放</button> <br> <video id="video1" controls="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 HTML5 video 标签。 </video> <script> myVid=document.getElementById("video1"); function getPlaySpeed() { alert(myVid.defaultPlaybackRate); } function setPlaySpeed() { myVid.defaultPlaybackRate=0.5; myVid.load(); } </script> <p>Video courtesy of <a href="http://www.bigbuckbunny.org/" target="_blank">Big Buck Bunny</a>.</p> <footer>简单教程,简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果: