Timeout redirect (js)

timeout.js

! function(t, i, m, e, r, s) {
    var a = t.getElementById(i),
        c = function() {
            a.innerHTML = r, t.location = e
        },
        d = function() {
            a.innerHTML = s.replace('{x}', m).replace('{s}', 1 == m-- ? '' : 's');
            setTimeout(0 >= m ? c : d, 1e3)
        };
    t.addEventListener('DOMContentLoaded', d);
}(document, 'counter', 10, '/', 'now', 'in {x} second{s}');