close.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
function  test(){
 var userAgent = navigator.userAgent;
 /*|| userAgent.indexOf("Chrome") !== -1*/
            if (userAgent.indexOf("Firefox") !== -1 || userAgent.indexOf("Presto") !== -1  || userAgent.indexOf("Chrome") !== -1) {
				window.document.title="打开新的标签页";
                window.location.replace("about:blank");
            } else {
                window.opener = null;
                window.open("", "_self");
                window.close();
				
            }
			
			
}

</script>
</head>

<body>
<input type="button"  id="close" onclick="test();"  value="关闭" />
</body>
</html>