检查当前浏览器的版本信息

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<!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.0//EN""http://www.w3.org/TR/REC-html140/strict.dtd">
<html>
 <head>
  <meta http-equiv="content-type" content="text/html;charset=gb2312">
  <title>检查当前浏览器的版本信息</title>
  <script language="javascript" type="text/javascript">
            function PrintVersion(){
                var msg = "";
                msg += "浏览器名称:" + navigator.appName + "/n";
                msg += "浏览器版本:" + navigator.appVersion + "/n";
                msg += "浏览器代码:" + navigator.appCodeName + "/n";
                alert(msg);
            }
        </script>
 </head>
 <body>
        <center>
            <p>鼠标单击按钮显示当前浏览器的版本信息</p>
            <form name="MyForm">
                <input type="button" name="MyButton" value="鼠标单击" onclick="PrintVersion()">
            </form>
        </center>
 </body>
</html>

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