How to remove a file from gitignore?

Question

git

I have a gitignor file like this:

*
!api.php

Then I wanted one folder to stop being ignored and did it like this

*
!api.php
!js/js.js

but it did not help - how to make the folder stop being ignored?

Answer 1

The key -fforces to add ignored files to the index.
git add -f js/js.js

Answer 2

git status says what?