Information about a browser window.

Type

Values of this type areobjects. 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 thesessions API.

stateOptional

Awindows.WindowState value representing the state of this browser window — maximized, minimized, etc.

tabsOptional

Array oftabs.Tab objects representing the current tabs in the window.

titleOptional

The title of the browser window. Requires "tabs" permission orhost 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

Awindows.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.

Example extensions

• annotate-page
• window-manipulator

Browser compatibility