Html detect if flash is installed

How to detect flash is installed. ShockwaveFlash' ;. Hey geek! The constant emerging technologies in the world of web development always keeps the excitement for this subject through the roof. But before you tackle the big projects, we suggest you start by learning the basics.

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Flash 2 is called ShockwaveFlash. So what we need to do is create all these objects and see which one of them doesn't give an error.

Now we come to the dirty bit. If Flash version i is not supported, the browser gives an error, but since we told it to resume next it will nonetheless execute the next command. However, if the Flash version is not supported, we don't want anything to happen. That's why we check if the object is not present Not IsObject etc and if it isn't if the error occurs nothing should be done:.

If the object can be created and is present, we've found the installed Flash version. We set flashinstalled to 2 and flashversion to i.

If, after we've checked all possible versions, flashinstalled is still 0, it means that Flash is not installed. Therefore we make it 1. We've tried to find Flash, but didn't find it. That's it. Now you only have to write a little script that reads out flashinstalled and flashversion and gives commands for the several situations. Think carefully about what should happen if you don't know if Flash is installed. There is a way of detecting Flash without JavaScript.

You have to create a tiny Flash movie that redirects the user to the Flash page and place it on a page with a META refresh that redirects the user to the non-Flash page. For more details see the Macromedia site. Theoretically, using this script you should be able to detect other plugins.