veritatisdoloremque/docs-exp/auth.user.isanonymous.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth](./auth.md) &gt; [User](./auth.user.md) &gt; [isAnonymous](./auth.user.isanonymous.md)

## User.isAnonymous property

Whether the user is authenticated using the [ProviderId.ANONYMOUS](./auth.providerid.anonymous.md) provider.

<b>Signature:</b>

```typescript
readonly isAnonymous: boolean;
```