windows.Window

Information about a browser window.

Type

Values of this type are objects. They contain the following properties:

alwaysOnTop: boolean. Whether the window is set to be always on top.
focused: boolean. Whether the window is currently the focused window.
heightOptional: integer. The height of the window, including the frame, in pixels.

idOptional: integer. The ID of the window. Window IDs are unique within a browser session.
incognito: boolean. Whether the window is incognito.
leftOptional: integer. The offset of the window from the left edge of the screen in pixels.
sessionIdOptional: string. The session ID used to uniquely identify a Window obtained from the sessions API.
stateOptional: A windows.WindowState value representing the state of this browser window — maximized, minimized, etc.
tabsOptional: Array of tabs.Tab objects representing the current tabs in the window.
topOptional: integer. The offset of the window from the top edge of the screen in pixels.
typeOptional: A windows.WindowType value representing the type of browser window this is — normal browser window, popup, etc.
widthOptional: integer. The width of the window, including the frame, in pixels.

Browser compatibility

	Chrome	Edge	Firefox	Firefox for Android	Opera
Basic support	Yes	Yes	45	No	Yes
`incognito`	Yes	Yes	45	No	Yes
`alwaysOnTop`	19	No	45	No	15
`sessionId`	31	No	No	No	18

Acknowledgements

This API is based on Chromium's chrome.windows API. This documentation is derived from windows.json in the Chromium code.

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.

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Type

Browser compatibility

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