Js control browser full screen sample code

 
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 Internet Explorer 
var wscript = new ActiveXObject("WScript.Shell"); 
if (wscript != null) { 
wscript.SendKeys("{F11}"); 
} 
} 

}