<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> </head> <body> <!-- 当前，video 元素支持三种视频格式： 格式 IE Firefox Opera Chrome Safari Ogg No 3.5+ 10.5+ 5.0+ No MPEG4 9.0+ No No 5.0+ 3.0+ WebM No 4.0+ 10.6+ 6.0+ No Ogg = 带有 Theora 视频编码和 Vorbis 音频编码的 Ogg 文件 MPEG4 = 带有 H.264 视频编码和 AAC 音频编码的 MPEG 4 文件 WebM = 带有 VP8 视频编码和 Vorbis 音频编码的 WebM 文件--> <!-- controls 让浏览器显示视频中的元素--> <video controls="controls" autoplay="autoplay" loop="loop" id="video1"> <source src="http://www.w3school.com.cn/i/movie.ogg" type="video/mp4" media="screen and (min-500px) " /> <!--宽度小于500播放下面这个--> <source src="http://www.w3school.com.cn/i/movie.ogg" type="video/mp4" media="screen" /> Sorry,your browser is unable to play this video. </video> <section> <button onclick="playPause()">播放/暂停</button> <button onclick="makeBig()">大</button> <button onclick="makeNormal()">中</button> <button onclick="makeSmall()">小</button> </section> <script type="text/javascript"> var myVideo = document.getElementById("video1"); function playPause() { if (myVideo.paused) myVideo.play(); else myVideo.pause(); } function makeBig() { myVideo.width = 560; } function makeSmall() { myVideo.width = 320; } function makeNormal() { myVideo.width = 420; } </script> <!--当前，audio 元素支持三种音频格式： IE 9 Firefox 3.5 Opera 10.5 Chrome 3.0 Safari 3.0 Ogg Vorbis √ √ √ MP3 √ √ √ Wav √ √ √--> <audio src="http://www.w3school.com.cn/i/song.mp3" controls="controls" autoplay="autoplay"> Your browser does not support the audio tag. </audio> </body> </html>