# utils/dom/iswindow

module

<a id="functions">

## Functions

<a id="function-isWindow">

### `isWindow( obj ) → obj is Window`

Checks if the object is a native DOM Window.

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-utils/src/dom/iswindow.ts#L13)

#### Parameters

* `obj: unknown`

#### Returns

* `obj is Window`

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Full index of the CKEditor 5 API reference: [llms.txt](llms.txt)