Looking for logging into the Facebook Localhost site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Facebook Localhost site. After that you can login as usual with your login credentials.
https://qiita.com/kent_ear/items/6fcc477392aaede175f4
https://qiita.com/ryskiwt/items/5252b5310971e5f29230
http://kimuraysp.hatenablog.com/entry/2018/01/28/224423
https://stackoverflow.com/questions/39800216/working-with-facebook-login-from-localhost/39800296
https://stackoverflow.com/questions/39800216/working-with-facebook-login-from-localhost
http://k213.hatenadiary.jp/entry/2016/04/26/005456
https://developers.facebook.com/blog/post/2018/06/08/enforce-https-facebook-login/
https://code.i-harness.com/ja/q/4e5313
https://www.goodpic.com/mt/archives2/2012/01/localhost-facebook-javascript-api.html
https://gist.github.com/travisvalentine/8796187
https://www.question2answer.org/qa/27994/can-i-test-facebook-authentication-on-localhost
https://forums.asp.net/t/2130976.aspx?Facebook+Login+With+Localhost
https://www.freecodecamp.org/forum/t/passport-facebook-works-in-localhost-but-not-in-production-heroku/203380