為什么怎么都平移不過去?。?/p>

$(document).ready(function?()?{
????var?sub?=?$("#sub");
????var?activeRow;
????var?activeMenu;
????$("#test?ul")
????????.on("mouseenter",function?(e)?{
????????sub.removeClass("none");
????????})
????????.on("mouseleave",function?(e)?{
????????????sub.addClass("none");
????????????if(activeRow){
????????????????activeRow.removeClass("active");
????????????????activeRow?=?null;//不將activeRow置于null?的話，就不能再一次的激活背景色（只能激活一次）
????????????}
????????????if(activeMenu){
????????????????activeMenu.removeClass("none");
????????????????activeMenu?=?null;
????????????}
????????})
????????.on("mouseenter","li",function?(e)?{
????????????if(!activeRow){
????????????????activeRow?=?$(e.target).addClass("active");
????????????????activeMenu?=?$("#"?+?activeRow.data("id"));
????????????????activeMenu.removeClass("none");
????????????????return;
????????????}
????????????activeRow.removeClass("active");
????????????activeMenu.addClass("none");

????????????activeRow?=?$(e.target);
????????????activeRow.addClass("active");
????????????activeMenu=$("#"+?activeRow.data("id"));
????????????activeMenu.removeClass("none");
????????})