2019独角兽企业重金招聘Python工程师标准>>> 
<html>
<head>
<title>test</title>
<script language="JavaScript">
Fkey();
function Fkey(){
var WsShell = new ActiveXObject('WScript.Shell')
WsShell.SendKeys('{F11}');
}
</script>
</head>
<body>
<a href="javascript:Fkey()">change</a>
</body>
</html>然后IE会弹出警告框，说是xxxx。这时候需要调低IE浏览器ActiveX的安全级别，这样就可以了