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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<script type="text/javascript">
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var number = new Number(1337);
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document.write ("The number as a binary value is : ");
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document.write (number.toString(2))
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</script>
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</body>
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</html>
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