针对不同浏览器的页面关闭

var userAgent = navigator.userAgent;

//如果是Firefox或者chrome，页面就空白
if (userAgent.indexOf("Firefox") != -1 || userAgent.indexOf("Chrome") !=-1) {
    window.location.href="about:blank";
}
else {
    window.opener = null;
    window.open("", "_self");
    window.close();
}

来自为知笔记(Wiz)