網頁判斷瀏覽器是否安裝flash

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<script>//檢驗flash版本 以及falsh是否安裝    function detectFlash() {        try {            if(navigator.mimeTypes.length>0) {                var flashAct = navigator.mimeTypes["application/x-shockwave-flash"];                var desc = flashAct.enabledPlugin.description;                var version = parseInt(desc.substr(desc.toLowerCase().lastIndexOf("flash ") + 6));                return version > 10;            } else {                var act = new ActiveXObject(‘ShockwaveFlash.ShockwaveFlash‘);                var flashVersion = act.GetVariable("$version");                flashVersion = flashVersion.replace(/^.*?([0-9]+).*$/, ‘$1‘);                return flashVersion > 10;            }        } catch (oError) {            return false;        }        return false;    }alert(detectFlash())</script>

 

網頁判斷瀏覽器是否安裝flash