# Class (FullScreenExitHandler)

Implements the **FullScreenExitHandler** object to notify you that the **Web** component exits full screen mode. For details about the sample code, see [onFullScreenEnter](./arkts-basic-components-web-events.md#onfullscreenenter9).

> **NOTE**
>
> - The initial APIs of this component are supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
>
> - The initial APIs of this class are supported since API version 9.
>
> - You can preview how this component looks on a real device, but not in DevEco Studio Previewer.

## constructor<sup>9+</sup>

constructor()

Constructs a **FullScreenExitHandler** API.

**System capability**: SystemCapability.Web.Webview.Core

## exitFullScreen<sup>9+</sup>

exitFullScreen(): void

Exits full screen mode.

**System capability**: SystemCapability.Web.Webview.Core