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windows.Window - Mozilla | MDN
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.
height Optional-
integer. The height of the window, including the frame, in pixels.
id Optional-
integer. The ID of the window. Window IDs are unique within a browser session.
incognito-
boolean. Whether the window is incognito (private).
left Optional-
integer. The offset of the window from the left edge of the screen in pixels.
sessionId Optional-
string. The session ID used to uniquely identify a Window obtained from the sessions API.
state Optional-
A windows.WindowState value representing the state of this browser window — maximized, minimized, etc.
tabs Optional-
Array of tabs.Tab objects representing the current tabs in the window.
title Optional-
The title of the browser window. Requires "tabs" permission or host permissions for the active tab's URL. Read only.
top Optional-
integer. The offset of the window from the top edge of the screen in pixels.
type Optional-
A windows.WindowType value representing the type of browser window this is — normal browser window, popup, etc.
width Optional-
integer. The width of the window, including the frame, in pixels.
