html_code_10 在线代码实例

实例代码( Tip: 登录后体验更佳 )

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<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>编程狮(w3cschool.cn)</title>
    <script>
        if (top.location != self.location)top.location=self.location; 
    </script>
</head> 
<body>
    <p>防止被人frame.</p>
</body>
</html>
 
 
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运行结果
PC端手机端平板端