19 мая 2010 г. · This works for all new browsers : if (!window.screenTop && !window.screenY) { alert('Browser is in fullscreen'); }

18 февр. 2015 г. · Note - to check whether or not you're in full screen, you always need to check the full screen property of the document element (as I've shown ...

4 нояб. 2019 г. · If the document is in fullscreen mode, document.fullscreenElement will return the element that triggered the mode. When not in fullscreen, ...

25 янв. 2019 г. · To clarify: You want to detect whether the user has the page full screen? Or you want to force the page to be full screen?

26 мая 2013 г. · You can call the requestFullscreen method or exitFullscreen method to change the fullscreen mode. In this way, the document.fullscreenElement will always has a ...

4 апр. 2020 г. · I want to detect when fullscreen mode has been exited in chrome. So I have this code that is supposed to work correctly, But it dosn't.

26 нояб. 2019 г. · i want to check if the screen is in not in fullscreenmode and render a component? I have tried using {!window.FullScreen && <ChildComponent/>}.

19 мар. 2020 г. · Use the document.fullscreenElement property to determine which video which is currently fullscreen and amend the muted property accordingly.

22 дек. 2015 г. · I can detect if the browser has gone to full screen through the full screen API but I cannot detect that the browser has gone to full screen through f11 or the ...

24 мая 2020 г. · There can be only one element in fullscreen mode at a time. Use document.fullscreenElement to find out if some element is in fullscreen mode.