案例:JavaScript案例     状态:可编辑再运行    进入竖版
 运行结果 
x
 
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<html>
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<body>
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<script type="text/javascript">
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var x
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var mycars = new Array()
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mycars[0] = "Saab"
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mycars[1] = "Volvo"
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mycars[2] = "BMW"
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for (x in mycars)
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{
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document.write(mycars[x] + "<br />")
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}
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</script>
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</body>
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</html>
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