myMenu version 1.0 build 3

(function ($) {
            $.fn.myMenu3 = function(menus,index){
                
                // menu div
                var menu = document.createElement("div");
                menu.setAttribute("id","menu");
                // ul
                var ul = document.createElement("ul");
                

                for (var m in menus) {
                    var li = document.createElement("li");

                    // set default style
                    index = index == undefined ? 0 : index;
                    if (m == index) {
                        li.setAttribute("class","menu-current");
                    }
                    var a = document.createElement("a");
                    var span = document.createElement("span");

                    $(span).text(menus[m][0]);
                    a.setAttribute("href","http://");

                    a.appendChild(span);
                    li.appendChild(a);
                    ul.appendChild(li);
                }

                menu.appendChild(ul);
                document.body.appendChild(menu);
                return this;
            }
        })(jQuery);

        $(function () {
            $("body").myMenu3([["首页", "http://"], ["首页", "http://"], ["首页", "http://"]]);
        });