User profile data in Firebase - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to get the current user's UID.

Firebase

const userId = firebase.auth().currentUser.[1];

Drag options to blanks, or click blank then click option'

AdisplayName

Bemail

Cuid

DphoneNumber

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'email' instead of 'uid' will not give the unique user ID.

Trying to access 'displayName' when you want the user ID.

The uid property uniquely identifies the user in Firebase Authentication.

2fill in blank

medium

Complete the code to update the user's display name in their profile.

Firebase

firebase.auth().currentUser.updateProfile({ displayName: [1] });

Drag options to blanks, or click blank then click option'

A'user123'

BdisplayName

CuserName

D'New Name'

Attempts:

3 left

💡 Hint

Common Mistakes

Passing a variable without quotes when a string is expected.

Using the property name instead of a string value.

The updateProfile method expects an object with the new display name as a string.

3fill in blank

hard

Fix the error in the code to correctly fetch the user's email.

Firebase

const email = firebase.auth().currentUser.[1];

Drag options to blanks, or click blank then click option'

Aemail

Bmail

CuserEmail

DemailAddress

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'emailAddress' or 'userEmail' which are not valid properties.

Trying to access 'mail' which does not exist.

The correct property to get the user's email is email.

4fill in blank

hard

Fill both blanks to set the user's photo URL and then reload the user data.

Firebase

firebase.auth().currentUser.updateProfile({ photoURL: [1] }).then(() => { return firebase.auth().currentUser.[2](); });

Drag options to blanks, or click blank then click option'

A'https://example.com/photo.jpg'

Breload

Crefresh

Dupdate

Attempts:

3 left

💡 Hint

Common Mistakes

Using a method name instead of a string for photoURL.

Calling a non-existent method like 'refresh' or 'update' instead of 'reload'.

Use a string URL for photoURL and call reload() to refresh user data.

5fill in blank

hard

Fill all three blanks to create a user profile object with UID, email, and display name.

Firebase

const profile = { id: [1], email: [2], name: [3] };

Drag options to blanks, or click blank then click option'

Afirebase.auth().currentUser.uid

Bfirebase.auth().currentUser.email

Cfirebase.auth().currentUser.displayName

Dfirebase.auth().currentUser.phoneNumber

Attempts:

3 left

💡 Hint

Common Mistakes

Using phoneNumber instead of displayName for the name field.

Mixing up email and uid properties.

Use uid for id, email for email, and displayName for name from the current user.