Free Online Tutorials

How to detect flash by Javascript

var flash = 0;
try {
    var FlashDetect=new function(){
        var self=this;self.installed=false;self.raw="";self.major=-1;self.minor=-1;self.revision=-1;self.revisionStr="";var activeXDetectRules=[{"name":"ShockwaveFlash.ShockwaveFlash.7","version":function(obj){return getActiveXVersion(obj);}},{"name":"ShockwaveFlash.ShockwaveFlash.6","version":function(obj){var version="6,0,21";try{obj.AllowScriptAccess="always";version=getActiveXVersion(obj);}catch(err){}
            return version;}},{"name":"ShockwaveFlash.ShockwaveFlash","version":function(obj){return getActiveXVersion(obj);}}];var getActiveXVersion=function(activeXObj){var version=-1;try{version=activeXObj.GetVariable("$version");}catch(err){}
            return version;};var getActiveXObject=function(name){var obj=-1;try{obj=new ActiveXObject(name);}catch(err){obj={activeXError:true};}
            return obj;};var parseActiveXVersion=function(str){var versionArray=str.split(",");return{"raw":str,"major":parseInt(versionArray[0].split(" ")[1],10),"minor":parseInt(versionArray[1],10),"revision":parseInt(versionArray[2],10),"revisionStr":versionArray[2]};};var parseStandardVersion=function(str){var descParts=str.split(/ +/);var majorMinor=descParts[2].split(/\./);var revisionStr=descParts[3];return{"raw":str,"major":parseInt(majorMinor[0],10),"minor":parseInt(majorMinor[1],10),"revisionStr":revisionStr,"revision":parseRevisionStrToInt(revisionStr)};};var parseRevisionStrToInt=function(str){return parseInt(str.replace(/[a-zA-Z]/g,""),10)||self.revision;};self.majorAtLeast=function(version){return self.major>=version;};self.minorAtLeast=function(version){return self.minor>=version;};self.revisionAtLeast=function(version){return self.revision>=version;};self.versionAtLeast=function(major){var properties=[self.major,self.minor,self.revision];var len=Math.min(properties.length,arguments.length);for(i=0;i<len;i++){if(properties[i]>=arguments[i]){if(i+1<len&&properties[i]==arguments[i]){continue;}else{return true;}}else{return false;}}};self.FlashDetect=function(){if(navigator.plugins&&navigator.plugins.length>0){var type='application/x-shockwave-flash';var mimeTypes=navigator.mimeTypes;if(mimeTypes&&mimeTypes[type]&&mimeTypes[type].enabledPlugin&&mimeTypes[type].enabledPlugin.description){var version=mimeTypes[type].enabledPlugin.description;var versionObj=parseStandardVersion(version);self.raw=versionObj.raw;self.major=versionObj.major;self.minor=versionObj.minor;self.revisionStr=versionObj.revisionStr;self.revision=versionObj.revision;self.installed=true;}}else if(navigator.appVersion.indexOf("Mac")==-1&&window.execScript){var version=-1;for(var i=0;i<activeXDetectRules.length&&version==-1;i++){var obj=getActiveXObject(activeXDetectRules[i].name);if(!obj.activeXError){self.installed=true;version=activeXDetectRules[i].version(obj);if(version!=-1){var versionObj=parseActiveXVersion(version);self.raw=versionObj.raw;self.major=versionObj.major;self.minor=versionObj.minor;self.revision=versionObj.revision;self.revisionStr=versionObj.revisionStr;}}}}}();
    };

    if (FlashDetect.major > 0) {
        flash = 1;
    }
} catch (e) {
    flash = 2;
}

if(flash!==1){
    //do for flash
}else{
    //do for not flash
}