## isValidDate() function

Returns true if the given date object is a valid date. Dates can be invalid if created by parsing an invalid string.

**Signature:**

```typescript
export declare function isValidDate(date: Date): boolean;
```

## Parameters  
| Parameter | Type | Description |
| --- | --- | --- |
| date | Date | A date object. |

**Returns:**

boolean

Returns true if the date is a valid date.