实例82.检测ie所安装的插件.html

JSP网页中用到的JavaScript特效

<script language="JavaScript">
<!--
 var pluginsnum = navigator.plugins.length;  
for (var i=0; i < pluginsnum; i++) {
   var number=i+1;
   document.write("<font color=red>Plug-in No." + number + "- </font>"+navigator.plugins[i].name+" <br>[Location: " + navigator.plugins[i].filename + "]<p>");
   }
if (number == undefined)                     
	alert ("\n多找一些外挂程序吧! 目前您还没有外挂程序!")
elseif (number>0)
        alert("\n你有 " + number + " 种外挂程序!")
        
//-->
</script>