现代浏览器包括ie11，可以直接用h5的全屏api实现低版本的IE需要通过ActiveX插件实现；
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<button onclick="fullScreen()">现代浏览器全屏</button>
<button onclick="exitScreen()">现代浏览器退出</button>
<button onclick="iefull()">低版本ie全屏</button>
</body>
<script src="js/jquery-2.1.1.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
//全屏
function fullScreen(){
var el = document.documentElement;
var rfs = el.requestFullScreen || el.webkitRequestFullScreen || el.mozRequestFullScreen || el.msRequestFullscreen;
if(typeof rfs != "undefined" && rfs) {
rfs.call(el);
};
return;
}
//退出全屏
function exitScreen(){
if (document.exitFullscreen) {
document.exitFullscreen();
}
else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
}
else if (document.webkitCancelFullScreen) {
document.webkitCancelFullScreen();
}
else if (document.msExitFullscreen) {
document.msExitFullscreen();
}
if(typeof cfs != "undefined" && cfs) {
cfs.call(el);
}
}
//ie低版本的全屏，退出全屏都这个方法
function iefull(){
var el = document.documentElement;
var rfs = el.msRequestFullScreen;
if(typeof window.ActiveXObject != "undefined") {
//这的方法 模拟f11键，使浏览器全屏
var wscript = new ActiveXObject("WScript.Shell");
if(wscript != null) {
wscript.SendKeys("{F11}");
}
}
}
//注：ie调用ActiveX控件，需要在ie浏览器安全设置里面把 ‘未标记为可安全执行脚本的ActiveX控件初始化并执行脚本’ 设置为启用
</script>
</html>原文地址：
blog.csdn.net/m0_37885651/article/details/79231670
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本文链接：https://blog.soarli.top/archives/416.html
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