veritatisdoloremque/docs-exp/database.datasnapshot.foreach.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/database](./database.md) &gt; [DataSnapshot](./database.datasnapshot.md) &gt; [forEach](./database.datasnapshot.foreach.md)

## DataSnapshot.forEach() method

<b>Signature:</b>

```typescript
forEach(action: (a: DataSnapshot) => boolean | void): boolean;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  action | (a: [DataSnapshot](./database.datasnapshot.md)<!-- -->) =&gt; boolean \| void |  |

<b>Returns:</b>

boolean