# FullscreenButton

#### new Cesium.FullscreenButton(container, fullscreenElement)
Widgets/FullscreenButton/FullscreenButton.js 36

  A single button widget for toggling fullscreen mode.

  Name | Type | Default | Description
  --- | --- | --- | ---
  `container` | Element | String |  | The DOM element or ID that will contain the widget.
  `fullscreenElement` | Element | String | `document.body` | optional The element or id to be placed into fullscreen mode.

  ##### Throws:

  - DeveloperError : Element with id "container" does not exist in the document.

  ##### See:

  - Fullscreen

### Members

#### container : Element
Widgets/FullscreenButton/FullscreenButton.js 76

  Gets the parent container.

#### viewModel : FullscreenButtonViewModel
Widgets/FullscreenButton/FullscreenButton.js 88

  Gets the view model.

### Methods

#### destroy()
Widgets/FullscreenButton/FullscreenButton.js 106

  Destroys the widget. Should be called if permanently removing the widget from layout.

#### isDestroyed() → Boolean
Widgets/FullscreenButton/FullscreenButton.js 98

  ##### Returns:

  true if the object has been destroyed, false otherwise.