W3cubDocs

/DOM

window.restore

This method is currently not working, but you can use:

window.moveTo(window.screenX, window.screenY);

© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/window/restore