eadron.github.io/1-lock.js at main · eadron/eadron.github.io · GitHub

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function lock (orientation) {
    // Go into full screen first
    if (document.documentElement.requestFullscreen) {
        document.documentElement.requestFullscreen();
    } else if (document.documentElement.mozRequestFullScreen) {
        document.documentElement.mozRequestFullScreen();
    } else if (document.documentElement.webkitRequestFullscreen) {
        document.documentElement.webkitRequestFullscreen();
    } else if (document.documentElement.msRequestFullscreen) {
        document.documentElement.msRequestFullscreen();
    }

    // Then lock orientation
    screen.orientation.lock(orientation);
}

function unlock () {
    // Unlock orientation
    screen.orientation.unlock();

    // Exit full screen
    if (document.exitFullscreen) {
        document.exitFullscreen();
    } else if (document.webkitExitFullscreen) {
        document.webkitExitFullscreen();
    } else if (document.mozCancelFullScreen) {
        document.mozCancelFullScreen();
    } else if (document.msExitFullscreen) {
        document.msExitFullscreen();
    }
}