<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [@csstools/media-query-list-parser](./media-query-list-parser.md) &gt; [MediaFeatureBoolean](./media-query-list-parser.mediafeatureboolean.md) &gt; [at](./media-query-list-parser.mediafeatureboolean.at.md)

## MediaFeatureBoolean.at() method

**Signature:**

```typescript
at(index: number | string): MediaFeatureName | undefined;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

index


</td><td>

number \| string


</td><td>


</td></tr>
</tbody></table>

**Returns:**

[MediaFeatureName](./media-query-list-parser.mediafeaturename.md) \| undefined

