<!DOCTYPE html><html><head><meta charset="utf-8"><title>HTML 音频/视频 buffered 属性使用-基础教程(div.cn)</title></head><body><button onclick="getFirstBuffRange()" type="button">获得视频的第一段缓冲范围</button><br> <video id="video1" controls="controls"> <source src="movie.mp4" type="video/mp4"> <source src="movie.ogg" type="video/ogg"> 您的浏览器不支持 HTML5 video 标签。</video><script>myVid=document.getElementById("video1");function getFirstBuffRange(){ alert("Start: " + myVid.buffered.start(0) + " End: " + myVid.buffered.end(0));} </script> </body></html>