.top_b_wrap{ width:100%; height:auto; overflow:hidden; background:#c9c9c9;} .top_b{ width:960px; margin:0 auto; line-height:27px;position:relative;} .top_b_l{ float:left; background:url(images/logo_bg.gif) no-repeat 0 -130px; padding-left:8px;} .top_b_l a{ padding:0 7px;} .top_b_r{ float:right; background:url(images/logo_bg.gif) no-repeat 232px -227px; padding-right:19px; height:auto;} .top_b_r a{ padding:0 12px; float:right;} #aa{ width:342px ; height:60px; border:solid 5px #000; position:absolute; background:#fff; line-height:60px; text-align:center; z-index:1001; right:0; top:23px; display:none;} <div class="top_b_wrap"> <div class="top_b"> <div class="top_b_l"> <a href="#">当前位置:</a><a href="#">首页</a>><a href="#">裸钻</a> </div> <div class="top_b_r"> <a href="#" onmouseover="showTopNav('aa')" onmouseout="hideTopNav('aa')">购物车中有0件商品</a><a href="#">注册</a><a href="#">登录</a> <div id="aa">你的购物车中暂无商品</div> </div> </div> </div></div><script type="text/javascript">function showTopNav(layerName){ eval('document.getElementById('+ "'" + layerName + "'" +').style.display = "block"');}function hideTopNav(layerName){ eval('document.getElementById('+ "'" + layerName + "'" +').style.display = "none"');}</script>是想让带背景色的wrap的高度为25px；请问应该怎么做,谢谢各位了！
路过 00000000000000
路过............................. 00000000000000
visible:hidden
.top_b_wrap 删掉 overflow:hidden;
overflow:hidden;会将超过div的部分隐藏掉
我把js放到body里尾部,就可以显示了.但是为什么js放在head不行,百度说是未加载,所以获取的id为空,不知道是不是这样,反正好了.谢谢大家!
