jQuery simply implements web page option card effects_jquery

        .clear{clear:both; height:0px; overflow:hidden;}
        .tab{width:400px; font-size:12px;}
        .tab_menu ul{padding:0px;margin:0px;}
        .tab_menu li{list-style:none; display:block; float:left;
            background:#C2CEFE; height:22px; line-height:22px;
            padding: 0px 8px; margin-right:6px; border:#86B4CA 1px solid;
        }
        .box{width:400px; height:200px; overflow:hidden; border:#A8C9D9 1px solid; padding:10px 8px; }
        .tab_menu ul li.selected{background:#dadada; cursor:pointer; }
        .hide{display:none;}

        $(function() {
            var $menu_li = $("div.tab_menu ul li");  //选取网页选项卡
            $menu_li.click(function(){
                $(this).addClass("selected") //当前

高亮
                        .siblings().removeClass("selected"); //去掉其它同辈

的高亮
                var index = $menu_li.index( $(this) ); //找到

子节点的索引
                $("div.tab_box > div").eq(index).show() //索引为N的DIV显示出来
                        .siblings().hide();            //其它的选项卡隐藏
            })
        })