# Array.clear

## Function

Clear the array and return the original array object.

## Syntax

```bt
array.clear()
```

## Parameters

No parameters.

## Return value

| Type | Description |
| ------ | ------ |
| Array | Returns the original array object. |

## Example

```bt
items = [1, 2, 3]
items.clear()

// Output: 0
echo(items.len())
```

## Notes

- clear will modify the original array.
- clear will reuse array objects, which is suitable for scenarios where writing continues after clearing in a resident process.