Fullscreen

Hello How I can make the laravel website in webbrowser fullscreen? What I have fullscreen function, it works in normal HTML format however if I want to use in laravel then the website is trying to be fullscreen but halfway it wants updating itself and therefore will not become fullscreen. The code which I found on the internet javascript:

function toggleFullScreen() {
    if ((document.fullScreenElement && document.fullScreenElement !== null) ||
        (!document.mozFullScreen && !document.webkitIsFullScreen)) {
        if (document.documentElement.requestFullScreen) {
            document.documentElement.requestFullScreen();
        } else if (document.documentElement.mozRequestFullScreen) {
            document.documentElement.mozRequestFullScreen();
        } else if (document.documentElement.webkitRequestFullScreen) {
            document.documentElement.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
        }
    } else {
        if (document.cancelFullScreen) {
            document.cancelFullScreen();
        } else if (document.mozCancelFullScreen) {
            document.mozCancelFullScreen();
        } else if (document.webkitCancelFullScreen) {
            document.webkitCancelFullScreen();
        }
    }
}

I read also even if I success to function this code, the webpage will not staying in fullscreen if I click to different menu. Is there a method to make possible that the whole webpage can be viewed in fullscreen?

Thank you in advance the answers.