veritatisdoloremque/docs-exp/database.query.startat.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/database](./database.md) &gt; [Query](./database.query.md) &gt; [startAt](./database.query.startat.md)

## Query.startAt() method

<b>Signature:</b>

```typescript
startAt(value: number | string | boolean | null, key?: string): Query;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  value | number \| string \| boolean \| null |  |
|  key | string |  |

<b>Returns:</b>

[Query](./database.query.md)