JAVASCRIPT

how to signup users without login in firebase js

let authWorkerApp = firebase.initializeApp(firebase.app().options, 'auth-worker');
let authWorkerAuth = firebase.auth(authWorkerApp);
authWorkerAuth.setPersistence(firebase.auth.Auth.Persistence.NONE); // disables caching of account credentials

authWorkerAuth.createUserWithEmailAndPassword(email, password).catch(function(error) {
    // Handle Errors here.
    var errorCode = error.code;
    var errorMessage = error.message;
    // ...
});