window.isflsgrn = false;//ie11以下是否进入全屏标志,true为全屏状态,false为非全屏状态
window.ieIsfSceen = false;//ie11是否进入全屏标志,true为全屏状态,false为非全屏状态
//跨浏览器返回当前 document 是否进入了可以请求全屏模式的状态
function fullscreenEnable(){
var isFullscreen = document.fullscreenEnabled ||
window.fullScreen ||
document.mozFullscreenEnabled ||
document.webkitIsFullScreen;
return isFullscreen;
}
//全屏
var fScreen = function(){
var docElm = document.documentElement;
if (docElm.requestFullscreen) {
docElm.requestFullscreen();
}
else if (docElm.msRequestFullscreen) {
docElm.msRequestFullscreen();
ieIsfSceen = true;
}
else if (docElm.mozRequestFullScreen) {
docElm.mozRequestFullScreen();
}
else if (docElm.webkitRequestFullScreen) {
docElm.webkitRequestFullScreen();
}else {//对不支持全屏API浏览器的处理,隐藏不需要显示的元素
window.parent.hideTopBottom();
isflsgrn = true;
$("#fullscreen").text("退出全屏");
}
}
//退出全屏
var cfScreen = function(){
if (document.exitFullscreen) {
document.exitFullscreen();
}
else if (document.msExitFullscreen) {
document.msExitFullscreen();
}
else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
}
else if (document.webkitCancelFullScreen) {
document.webkitCancelFullScreen();
}else {
window.parent.showTopBottom();
isflsgrn = false;
$("#fullscreen").text("全屏");
}
}
//全屏按钮点击事件
$("#fullscreen").click(function(){
var isfScreen = fullscreenEnable();
if(!isfScreen && isflsgrn == false){
if (ieIsfSceen == true) {
document.msExitFullscreen();
ieIsfSceen = false;
return;
}
fScreen();
}else{
cfScreen();
}
})
//键盘操作
$(document).keydown(function (event) {
if(event.keyCode == 27 && ieIsfSceen == true){
ieIsfSceen = false;
}
});
//监听状态变化
if (window.addEventListener) {
document.addEventListener('fullscreenchange', function(){
if($("#fullscreen").text() == "全屏"){
$("#fullscreen").text("退出全屏");
}else{
$("#fullscreen").text("全屏");
}
});
document.addEventListener('webkitfullscreenchange', function(){
if($("#fullscreen").text() == "全屏"){
$("#fullscreen").text("退出全屏");
}else{
$("#fullscreen").text("全屏");
}
});
document.addEventListener('mozfullscreenchange', function(){
if($("#fullscreen").text() == "全屏"){
$("#fullscreen").text("退出全屏");
}else{
$("#fullscreen").text("全屏");
}
});
document.addEventListener('MSFullscreenChange', function(){
if($("#fullscreen").text() == "全屏"){
$("#fullscreen").text("退出全屏");
}else{
$("#fullscreen").text("全屏");
}
});
}
全屏
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