function launchFullscreen(element) {
if(element.requestFullscreen) {
element.requestFullscreen();
} else if(element.mozRequestFullScreen) {
element.mozRequestFullScreen();
} else if(element.msRequestFullscreen){
element.msRequestFullscreen();
} else if(element.webkitRequestFullscreen) {
element.webkitRequestFullScreen();
launchFullscreen(document.documentElement);
launchFullscreen(document.getElementById("videoElement"));
css样式修改
:-webkit-full-screen{
/*你要重置的样式*/
:-moz-full-screen {
取消全屏方法
function exitFullscreen() {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.msExitFullscreen) {
document.msExitFullscreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
exitFullscreen();
判断某个element是否全屏
function isElementFullScreen(element) {
return (document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement) === element;
判断是否全屏
var fullscreenElement =
document.fullscreenElement ||
document.mozFullScreenElement ||
document.webkitFullscreenElement;
function isFullScreen() {
return (document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement) !== null;
document.addEventListener("fullscreenchange", function( event ) {
if (document.fullscreenElement) {
console.log('进入全屏');
} else {
console.log('退出全屏');
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