Testing code syntax.

$(document).ready(function() {
    $('.down-list').width($('.dropdown-menu').width() - 2);
    $('.dropdown-menu').hover(
            function() {
                $('.menu-first', this).addClass('slide-down');
                $('.down-list', this).slideDown(100);
            },
            function() {
                obj = this;
                $('.down-list', this).slideUp(100, function() { $('.menu-first', obj).removeClass('slide-down'); });
            }
          );
});