I want to make my website redirect to login page if grammarly extension is not installed.
(如果未安装语法扩展名，我想使我的网站重定向到登录页面。)
there's a code in github but it didn't work (github中有一个代码，但是没有用)
is it possible to check the extension?
(可以检查扩展名吗？)
I've searched everywhere and ask a lot of people but they just don't know how to do it. (我到处搜索，并询问了很多人，但他们只是不知道该怎么做。)
ask by Pratama NPurwiyatna translate from so 与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
