案例：javascript案例     状态：可编辑再运行    进入竖版
 运行结果　
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<html>
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<body>
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​
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<script type="text/javascript">
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myWindow=window.open('','','width=200,height=100')
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myWindow.document.write("This is 'myWindow'")
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myWindow.focus()
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</script>
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​
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</body>
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</html>
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​