案例：javascript案例     状态：可编辑再运行    进入横版
​x
 
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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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​
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var test=new Array();
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​
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if (test.constructor==Array)
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{
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document.write("This is an Array");
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}
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if (test.constructor==Boolean)
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{
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document.write("This is a Boolean");
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}
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if (test.constructor==Date)
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{
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document.write("This is a Date");
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}
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if (test.constructor==String)
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{
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document.write("This is a String");
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}
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​

 运行结果　
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