Window.windowState

Check for window state:

State value Descrption
STATE_MAXIMIZED 1 The window is maximized.
STATE_MINIMIZED 2 The window is minimized.
STATE_NORMAL 3 The window is normal.
STATE_FULLSCREEN 4 The window is in full screen mode.

Sample:

if (window.windowState === 1) {} // check if window is maximized
else if (window.windowState === 2) {} // check if window is minimized
else if (window.windowState === 3) {} // check if window is normal
else if (window.windowState === 4) {} // check if window is in fullscreen mode
else {}

Note:

More info on window events and window.state can be seen here.

 

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/window/windowstate