JS实现浏览器全屏和退出全屏

document.addEventListener("fullscreenchange", function () {
if(document.fullscreen ||document.webkitIsFullScreen ||document.mozFullScreen){
// TODU
}else{
$("#fullimg").attr("src","../Public/images/el_both.png");
$("#wfullscreen").text("全屏");
}
}, false);

// 火狐是否全屏
document.addEventListener("mozfullscreenchange",function() {
if(document.fullscreen ||document.webkitIsFullScreen ||document.mozFullScreen){
// TODU
}
}, false);

// 谷歌是否全屏
document.addEventListener("webkitfullscreenchange",function (){
if(document.fullscreen ||document.webkitIsFullScreen ||document.mozFullScreen){
// TODU
}
}, false);