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 (private).

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.

titleOptional

The title of the browser window. Requires "tabs" permission or host permissions for the active tab's URL. Read only.

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

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
Window	Yes	14	45	?	Yes	14	?	?	No	?	?	?
alwaysOnTop	19	79	45	?	15	14 Always returns false.	?	?	No	?	?	?
focused	Yes	14	45	?	Yes	14	?	?	No	?	?	?
height	Yes	14	45	?	Yes	14	?	?	No	?	?	?
id	Yes	14	45	?	Yes	14	?	?	No	?	?	?
incognito	Yes	14	45	?	Yes	14	?	?	No	?	?	?
left	Yes	14	45	?	Yes	14	?	?	No	?	?	?
sessionId	31	79	No	?	18	No	?	?	No	?	?	?
state	Yes	14	45	?	Yes	14	?	?	No	?	?	?
tabs	Yes	14	45	?	Yes	14	?	?	No	?	?	?
title	No	No	56	?	No	No	?	?	No	?	?	?
top	Yes	14	45	?	Yes	14	?	?	No	?	?	?
type	Yes	14	45	?	Yes	14	?	?	No	?	?	?
width	Yes	14	45	?	Yes	14	?	?	No	?	?	?