Js清除Cookie

(function() {
if (window.localStorage) {
window.localStorage.clear();//清除localStorage
}
if (document.cookie) {
var c = document.cookie.split(";"),
l = location.hostname;
if (c.length > 0) {
for (var i = 0; i < c.length; i++) {
var t = c[i].split("="),
n = t[0] + "='';path=/;expires=Thu, 01 Jan 1970 00:00:00 GMT;";
document.cookie = n + "domain=" + l.replace(/(?:^|.*\.)(\w+\.\w+)$/, ".$1");
document.cookie = n + "domain=" + l;
document.cookie = n;
}
}
}
})();