Firebase tips(Email Auth:javascript)

FIREBASE TIPS

1. Connect and Create Email User

create

<script src="https://www.gstatic.com/firebasejs/4.1.1/firebase.js"></script>
<script>
  var config = {
    apiKey: 'XXXXXXXXX',
    authDomain: 'XXXXXXX.firebaseapp.com',
    databaseURL: 'https://XXXXXXXX.firebaseio.com/',
    storageBucket: 'XXXXXX.appspot.com',
    messagingSenderId: 'XXXXXXXX',
  };
  firebase.initializeApp(config);

  firebase.auth().createUserWithEmailAndPassword('[e-mail]', 'XXXXXXX').catch((error) => {
      console.log('code:' + error.code + 'message' + error.message);
  });
</script>

result

2. Login with Email and Password.

login

    firebase.initializeApp(config);
    firebase.auth().signInWithEmailAndPassword('[e-mail]', 'coffee').catch((error) => {
        console.log('code:' + error.code + 'message' + error.message);
    });
    firebase.auth().onAuthStateChanged((user) => {
        if (user) {
            console.log('login success');
        }else{}

    });

result

3. Logout

logout

    firebase.auth().signOut().then( () => {
        console.log('logout sucess');
    }).catch(function (error) {
        console.log('code:' + error.code + 'message' + error.message);
    });

result

4. Email Verfication

verfication

    firebase.initializeApp(config);
    firebase.auth().createUserWithEmailAndPassword('[e-mail]', 'coffee').catch((error) => {
        console.log('code:' + error.code + 'message' + error.message);
    });
    firebase.auth().onAuthStateChanged(function (user) {
        if (user) {
            if (user.emailVerified == false) {
                user.sendEmailVerification().then(() => {
                    console.log('sent email');
                }, (error) => {
                    console.log('code:' + error.code + 'message' + error.message);
                });
            }
        } else { }

    });

result1

result2