js判断flash是否被禁用

<script>

function flashChecker() {

    var hasFlash = 0;　　　　 //是否安装了flash

    var flashVersion = 0;　　 //flash版本

    if(document.all) {

        var swf = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');

        if(swf) {

            hasFlash = 1;

            VSwf = swf.GetVariable("$version");

            flashVersion = parseInt(VSwf.split(" ")[1].split(",")[0]);

        }

    } else {

        if(navigator.plugins && navigator.plugins.length > 0) {

            var swf = navigator.plugins["Shockwave Flash"];

            if(swf) {

                hasFlash = 1;

                var words = swf.description.split(" ");

                for(var i = 0; i < words.length; ++i) {

                    if(isNaN(parseInt(words[i]))){

                        continue;

                    }

                    flashVersion = parseInt(words[i]);

                }

            }

        }

    }

    return {

        f: hasFlash,

        v: flashVersion

    };

}

var fls = flashChecker();

if(fls.f){

     document.write("您安装了flash,当前flash版本为: " + fls.v + ".x");

}else {

    document.write("您没有安装flash");

};

if(fls.f){

        

     // liveType.ckplayer();

    document.write("您安装了flash,当前flash版本为: " + fls.v + ".x");

 }else {

        //alert("您没有安装flash");

            

       $(".channel-player-v2").html('<a href="https://get.adobe.com/cn/flashplayer/"; class="flashLoadMsg" target="_blank">安装或者启用FLASH播放器</a>');

  };

</script>