<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title>index</title> </head> <body> <input type="button" value="全屏显示" onclick="fullScreen()"> <script> 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"); wscript.SendKeys("{F11}"); } } </script> </body> </html>
原文：http://www.cnblogs.com/cynthia-wuqian/p/4953767.html