分享一个免费的跨浏览器视频播放器插件—video.js，非常好的视频播放器。
官方网站：http://videojs.com/
插件手册的说明：http://docs.videojs.com/
示例文档代码如下：
<head>
<link href="http://vjs.zencdn.net/5.11.8/video-js.css" rel="external nofollow" rel="stylesheet">
<!-- If you'd like to support IE8 -->
<script src="http://vjs.zencdn.net/ie8/1.1.2/videojs-ie8.min.js"></script>
</head>
<body>
<video id="my-video" class="video-js" controls preload="auto" width="640" height="264"
poster="MY_VIDEO_POSTER.jpg" data-setup="{}">
<source src="MY_VIDEO.mp4" type='video/mp4'>
<source src="MY_VIDEO.webm" type='video/webm'>
<p class="vjs-no-js">
To view this video please enable JavaScript, and consider upgrading to a web browser that
<a href="http://videojs.com/html5-video-support/" rel="external nofollow" target="_blank">supports HTML5 video</a>
</p>
</video>
<script src="http://vjs.zencdn.net/5.11.8/video.js"></script>
