var spans = $("#datepicker div span"), total = spans.length, fecha = $("input[name=fecha]"), day, month, year; for (i = 0; i < total; i++) { if (spans[i].className == "day active") day = spans[i].innerHTML + "/"; if (spans[i].className == "month active") month = spans[i].innerHTML + "/"; if (spans[i].className == "year active") year = spans[i].innerHTML; } fecha.val(day + month + year);