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Checking whether a plugin is installed

leeal
leeal asked
on
Medium Priority
285 Views
Last Modified: 2013-12-25
How can I write a web page that can check whether a plugin is installed? So that if the plugin is not installed, I can make the browser to automatically link to another page?
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Commented:
JavaScript, using Netscape 3 or higher (or whatever browser can support JavaScript 1.1).

There is a plugin object that will give you an exact list of all the plugins.  If you want to see how to access it, the best way is to go to the "About Plug-Ins" on Netscape 3 or higher and then look at the code of the page.  The entire page is generated via JavaScript.  So you should be able to find from that page how to look for a particular name or registry of a plugin, and if found do one thing and if not found go somewhere else.  Have fun.

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