how to know that about the chorme extension is present or not in the browser. if it is there then fine else how to know that the

Question

In my application, I have created a extension and that extension is present in the chrome store. now i wanted to notify the user for extension is there or not in the web browser. if it is there then it's fine else i have give the notification to user to add the extension for that. how to do that.

Answer 1

https://stackoverflow.com/questions/6293498/check-whether-user-has-a-chrome-extension-installed