实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
AخA
 
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<!DOCTYPE html>
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<html>
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    <head>
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        <title>
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            For-In Statement Example 1
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        </title>
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    </head>
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    <body>
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        <script type="text/javascript">
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            for (var propName in window) {
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                document.write(propName);
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                document.write("<br />");
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            }
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        </script>
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    </body>
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</html>