function a() {
        return i(c.
    default.get("MMAD_TICKET"))
    }
    function o(e) {
        e.data = e.data || {},
        e.data.g_tk = i(c.
    default.get("MMAD_TICKET")) || "",
        e.data._ = +new Date,
        e.dataType = e.dataType || "JSON";
        var t = e.success,
        n = e.error;
        return e.success = function(e) {
            return 1103 == e.ret || 4103 == e.ret ? (c.
        default.del("MMAD_TICKET"), c.
        default.del("nickname"), c.
        default.del("headimgurl"), void(f || (f = !0, alert("登录状态失效，请重新登录！"), location.href = "/index.html"))) : (f = !1, void(t && t(e)))
        },
        e.error = function() {
            n && n(arguments[0]),
            f = !1
        },
        l.
    default.ajax(e)
    }
    Object.defineProperty(t, "__esModule", {
        value: !0
    }),
    t.gtk = i,
    t.getCSRFToken = a;
    var u = n(279),
    l = r(u),
    s = n(60),
    c = r(s),
    f = !1;
    t.
default = o

我想问一下这里的defautl.get 是啥意思？