浏览器插件检查
IE浏览器
<object ID="BrowserTerminal"
CLASSID="CLSID:71D2FC55-6C66-4A23-A546-B3F9244EC3C5" ></object>
<script>
try{
var ax = new ActiveXObject("activexqtterminal.BrowserTerminal.1");
//activexqtterminal.BrowserTerminal.1根据clsid在注册表中查询
alert("已经安装");
} catch (e){
alert("未安装");
}
</script>
标准浏览器
<embed type="npqtterminal/very" id="browt" >
<script>
If(navigator.mimeTypes["npqtterminal/very"]){
alert(“安装”)
}
</script>