Detect browser extensions using js
<p>How i can detect browser(for example chrome) extension using JS or detect one particular extension, for example
<a href="https://chrome.google.com/webstore/detail/tag-assistant-by-google/kejbdjndbnbjgmefkgdddjlbokphdefk?hl=ru" rel="nofollow">https://chrome.google.com/webstore/detail/tag-assistant-by-google/kejbdjndbnbjgmefkgdddjlbokphdefk?hl=ru</a></p>