检测IE所装插件
跳出窗口为脚本显示区
脚本说明： 把如下代码加入<body>区域中: <script language="JavaScript"> <!-- Hide this script from old browsers -- var num_of_plugins = navigator.plugins.length; for (var i=0; i < num_of_plugins; i++) { var list_number=i+1; document.write("<font color=red>Plug-in No." + list_number + "- </font>"+navigator.plugins[i].name+" <br>[Location: " + navigator.plugins[i].filename + "]<p>"); } if (list_number>15) alert("\n哇!你有 " + list_number + " 种外挂程序!") else alert ("\n多找一些外挂程序吧! 你只有 "+ list_number + " 种外挂程序,有点逊!") // -- End Hiding Here --> </script>