源代码:
<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> video { max-width: 100%; height: auto; } </style> </head> <body> <video width="400" controls> <source src="/statics/demosource/mov_bbb.mp4" type="video/mp4"> <source src="/statics/demosource/mov_bbb.ogg" type="video/ogg"> Your browser does not support HTML5 video. </video> <p>调整浏览器窗口大小，在宽度小于 400px 时，查看视频播放器的变化。</p> </body> </html>
运行结果：