js实现全屏显示

function enterFullScreen(element) {
    if (element.requestFullscreen) {
        element.requestFullscreen();
    } else if (element.mozRequestFullScreen) { // Firefox
        element.mozRequestFullScreen();
    } else if (element.webkitRequestFullscreen) { // Chrome, Safari and Opera
        element.webkitRequestFullscreen();
    } else if (element.msRequestFullscreen) { // IE/Edge
        element.msRequestFullscreen();
    }
}

function exitFullScreen() {
    if (document.exitFullscreen) {
        document.exitFullscreen();
    } else if (document.mozCancelFullScreen) { // Firefox
        document.mozCancelFullScreen();
    } else if (document.webkitExitFullscreen) { // Chrome, Safari and Opera
        document.webkitExitFullscreen();
    } else if (document.msExitFullscreen) { // IE/Edge
        document.msExitFullscreen();
    }
}

// 使用示例
const videoElement = document.getElementById('myVideo');
document.getElementById('fullscreenButton').addEventListener('click', () => {
    enterFullScreen(videoElement);
});

document.getElementById('exitFullscreenButton').addEventListener('click', () => {
    exitFullScreen();
});