voluptasmollitia/docs-exp/firestore_.querysnapshot.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/firestore](./firestore.md) &gt; [/](./firestore_.md) &gt; [QuerySnapshot](./firestore_.querysnapshot.md)

## QuerySnapshot class

A `QuerySnapshot` contains zero or more `DocumentSnapshot` objects representing the results of a query. The documents can be accessed as an array via the `docs` property or enumerated using the `forEach` method. The number of documents can be determined via the `empty` and `size` properties.

<b>Signature:</b>

```typescript
export declare class QuerySnapshot<T = DocumentData> 
```

## Properties

|  Property | Modifiers | Type | Description |
|  --- | --- | --- | --- |
|  [docs](./firestore_.querysnapshot.docs.md) |  | Array&lt;[QueryDocumentSnapshot](./firestore_.querydocumentsnapshot.md)<!-- -->&lt;T&gt;&gt; | An array of all the documents in the <code>QuerySnapshot</code>. |
|  [empty](./firestore_.querysnapshot.empty.md) |  | boolean | True if there are no documents in the <code>QuerySnapshot</code>. |
|  [metadata](./firestore_.querysnapshot.metadata.md) |  | [SnapshotMetadata](./firestore_.snapshotmetadata.md) | Metadata about this snapshot, concerning its source and if it has local modifications. |
|  [query](./firestore_.querysnapshot.query.md) |  | [Query](./firestore_.query.md)<!-- -->&lt;T&gt; | The query on which you called <code>get</code> or <code>onSnapshot</code> in order to get this <code>QuerySnapshot</code>. |
|  [size](./firestore_.querysnapshot.size.md) |  | number | The number of documents in the <code>QuerySnapshot</code>. |

## Methods

|  Method | Modifiers | Description |
|  --- | --- | --- |
|  [docChanges(options)](./firestore_.querysnapshot.docchanges.md) |  | Returns an array of the documents changes since the last snapshot. If this is the first snapshot, all documents will be in the list as 'added' changes. |
|  [forEach(callback, thisArg)](./firestore_.querysnapshot.foreach.md) |  | Enumerates all of the documents in the <code>QuerySnapshot</code>. |