firebse auth user id code example
Example 1: firebase auth get current user
var user = firebase.auth().currentUser;var name, email, photoUrl, uid, emailVerified;if (user != null) { name = user.displayName; email = user.email; photoUrl = user.photoURL; emailVerified = user.emailVerified; uid = user.uid;
Example 2: firebase auth update current user
var user = firebase.auth().currentUser;user.updateProfile({ displayName: "Jane Q. User", photoURL: "https://example.com/jane-q-user/profile.jpg"}).then(function() {