requestFullScreen 全屏

手指双击全屏显示, 用Hammer.js 库

 

注：以下全屏代码不适用于苹果系统

其外参考代码：转自：https://my.oschina.net/itblog/blog/228654

function fullScreen() {
  var el = document.documentElement;
  var rfs = el.requestFullScreen || el.webkitRequestFullScreen || 
      el.mozRequestFullScreen || el.msRequestFullScreen;
  if(typeof rfs != "undefined" && rfs) {
    rfs.call(el);
  } else if(typeof window.ActiveXObject != "undefined") {
    //for IE，这里其实就是模拟了按下键盘的F11，使浏览器全屏
    var wscript = new ActiveXObject("WScript.Shell");
    if(wscript != null) {
        wscript.SendKeys("{F11}");
    }
  }
}
function exitFullScreen() {
  var el = document;
  var cfs = el.cancelFullScreen || el.webkitCancelFullScreen || 
      el.mozCancelFullScreen || el.exitFullScreen;
  if(typeof cfs != "undefined" && cfs) {
    cfs.call(el);
  } else if(typeof window.ActiveXObject != "undefined") {
    //for IE，这里和fullScreen相同，模拟按下F11键退出全屏
    var wscript = new ActiveXObject("WScript.Shell");
    if(wscript != null) {
        wscript.SendKeys("{F11}");
    }
  }
}