web api instance property
Window: outerHeight property
The Window.outerHeight read-only property returns the height in pixels of the whole browser window, including any sidebar, window chrome, and window-resizing borders/handles.
Notes
To change the size of a window, see resizeBy() and resizeTo().
To get the inner height of a window, i.e., the height of the page being displayed, see innerHeight.
Graphical example
The following figure shows the difference between outerHeight and innerHeight.

Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.