兼容IE11及各浏览器的HTML5全屏API实现方案

兼容各浏览器的全屏代码示例

<!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>