firebase current user username code example

Example 1: firebase get current user javascript

var user = firebase.auth().currentUser;

if (user) {
  // User is signed in.
} else {
  // No user is signed in.
}

Example 2: firebase.auth.currentuser

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