voluptasmollitia/docs-exp/auth.auth.usedevicelanguage.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth](./auth.md) &gt; [Auth](./auth.auth.md) &gt; [useDeviceLanguage](./auth.auth.usedevicelanguage.md)

## Auth.useDeviceLanguage() method

Sets the current language to the default device/browser preference.

<b>Signature:</b>

```typescript
useDeviceLanguage(): void;
```
<b>Returns:</b>

void