veritatisdoloremque/docs-exp/auth-types.recaptchaverifier._constructor_.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth-types](./auth-types.md) &gt; [RecaptchaVerifier](./auth-types.recaptchaverifier.md) &gt; [(constructor)](./auth-types.recaptchaverifier._constructor_.md)

## RecaptchaVerifier.(constructor)

Constructs a new instance of the `RecaptchaVerifier` class

<b>Signature:</b>

```typescript
constructor(
    container: any | string,
    parameters?: Object | null,
    auth?: Auth | null
  );
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  container | any \| string |  |
|  parameters | Object \| null |  |
|  auth | [Auth](./auth-types.auth.md) \| null |  |