facebook for developer: get user 's friendlist

I want to get my friendlist on Facebook, I am using Firebase authentication to login by Facebook and after a while for searching, it suggested me that using Graph API to get them, then I gave it a try

from the very beginning, I can get all my public profile but when I try to get my friendlist, it asks me for user permission and I can not even submit my request of query

Please show me how to deal with it, I use Javascript mainly, thank you so much and have a good day