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<html>3
<head>4
<meta charset="utf-8">5
</head>6
<body>7
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<button onclick="getReadyState()" type="button">获得视频的就绪状态</button>9
<br>10
<video id="video1" controls="controls">11
<source src="/examples/mov_bbb.mp4" type="video/mp4">12
<source src="/examples/mov_bbb.ogg" type="video/ogg">13
您的浏览器不支持 HTML5 video 标签。14
</video>15
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<script>17
myVid = document.getElementById("video1");18
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function getReadyState() {20
alert(myVid.readyState);21
}22
</script>23
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<p>Video courtesy of <a href="http://www.bigbuckbunny.org/" target="_blank">Big Buck Bunny</a>.</p>25
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</body>27
</html>