案例:html案例     状态:可编辑再运行    进入竖版
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<!DOCTYPE html>
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<html>
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<body>
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<video width="320" height="240" controls="controls" autoplay="autoplay">
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  <source src="/img/movie.ogg" type="video/ogg" />
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  <source src="/img/movie.mp4" type="video/mp4" />
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  <source src="/img/movie.webm" type="video/webm" />
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  <object data="/img/movie.mp4" width="320" height="240">
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    <embed width="320" height="240" src="/img/movie.swf" />
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  </object>
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</video>
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</body>
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</html>
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