firebase auth update currentuser code example

Example 1: 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() {  // Update successful.}).catch(function(error) {  // An error happened.});

Example 2: firebase.auth.currentuser

var user = firebase.auth().currentUser;if (user) {  // User is signed in.} else {  // No user is signed in.}