voluptasmollitia/docs-exp/database.datasnapshot.haschild.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; [hasChild](./database.datasnapshot.haschild.md)

## DataSnapshot.hasChild() method

Returns true if the specified child path has (non-null) data.

<b>Signature:</b>

```typescript
hasChild(path: string): boolean;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  path | string | A relative path to the location of a potential child. |

<b>Returns:</b>

boolean

`true` if data exists at the specified child path; else `false`<!-- -->.