## isStringArray() function

Returns true if the input array is an array of strings.

**Signature:**

```typescript
export declare function isStringArray(arr: any[]): arr is string[];
```

## Parameters

| Parameter | Type    | Description           |
|-----------|---------|-----------------------|
| arr       | any[]   | Input array.          |

**Returns:**

arr is string[]

True if the input array is an array of strings.