js关闭当前页

/*关闭当前页*/
function closeCurrentPage() {
    var userAgent = navigator.userAgent;
    if (userAgent.indexOf("Firefox") != -1 || userAgent.indexOf("Chrome") !=-1) {
        window.location.href="about:blank";
        window.close();
    } else {
        window.opener = null;
        window.open("", "_self");
        window.close();
    }
}