windows.Window

{{AddonSidebar}} 

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

Browser compatibility

{{Compat}} 

{{WebExtExamples}} 

[!NOTE] This API is based on Chromium’s chrome.windows API. This documentation is derived from windows.json in the Chromium code.