- 混合布局
- 垂直菜单
- 水平菜单
- 伸缩菜单的制作——改变高度
- 伸缩菜单的制作——水平方向
- 导航条菜单的制作
混合布局
任务1：完成顶部（top）、底部（foot）宽度自适应
任务2：中间分为2两栏，其中，左侧（left）宽度为200px， 右侧（right）宽度自适应
任务3：要求右侧（right）先加载，左侧（left）后加载
任务4：编写的代码要兼容ie6
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>混合布局编程挑战</title>
<style type="text/css">
body{ margin:0; padding:0; font-size:30px; color:#fff}
.top{height:100px;background:gray;margin:0 auto;}
.main{height:600px;background:red;}
.left{ height:600px;width:200px;background:blue;float:left;}
.right{height:600px; background:green; float:right;}
.foot{height:50px;background:orange;}
</style>
</head>
<body>
<div class="top">top</div>
<div class="main">
<div class="right">right</div>
<div class="left">left</div>
</div>
<div class="foot">foot</div>
</body>
</html>
垂直菜单
任务1：请补充完整代码，把a标签定义成行内块
任务2：请补充完整代码，文字缩进20px
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>导航菜单</title>
<style type="text/css">
*{margin:0; padding:0; font-size:14px;}
ul{ list-style:none; width:100px}
a{color:#333;text-decoration:none}
.nav li a{
display:inline-block;
text-indent:20px;
height:30px; line-height:30px; width:100px; background-color:#efefef; margin-bottom:1px;}
.nav li a:hover{ background-color:#F60; color:#fff}
</style>
</head>
<body>
<ul class="nav">
<li><a href="#">首 页</a></li>
<li><a href="#">新闻快讯</a></li>
<li><a href="#">产品展示</a></li>
<li><a href="#">售后服务</a></li>
<li><a href="#">联系我们</a></li>
</ul>
</body>
</html>
水平菜单
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>导航菜单</title>
<style type="text/css">
*{margin:0; padding:0; font-size:14px;}
ul{ list-style:none;}
a{color:#333;text-decoration:none}
.nav li{float:left;}
.nav li a{ display:block; height:30px; line-height:30px; width:100px; background-color:#efefef; margin-bottom:1px;text-align:center;}
.nav li a:hover{ background-color:#F60; color:#fff}
</style>
</head>
<body>
<ul class="nav">
<li><a href="#">首 页</a></li>
<li><a href="#">新闻快讯</a></li>
<li><a href="#">产品展示</a></li>
<li><a href="#">售后服务</a></li>
<li><a href="#">联系我们</a></li>
</ul>
</body>
</html>
伸缩菜单的制作——改变高度
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>导航菜单</title>
<style type="text/css">
*{margin:0; padding:0; font-size:14px;}
a{color:#333;text-decoration:none}
ul{list-style:none; height:50px; border-bottom:5px solid #F60; padding-left:30px;}
ul li{float:left; margin-top:20px;}
a{display:block;height:30px;text-align:center; line-height:30px; width:120px; background-color:#ccc;}
a.on, a:hover{ color:#fff;background-color:#F60;height:40px;line-height:40px; margin-top:-10px;
</style>
</head>
<body>
<ul>
<li><a class="on" href="#">首 页</a></li>
<li><a href="#">新闻快讯</a></li>
<li><a href="#">产品展示</a></li>
<li><a href="#">售后服务</a></li>
<li><a href="#">联系我们</a></li>
</ul>
</body>
</html>
伸缩菜单的制作——水平方向
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>导航菜单</title>
<style type="text/css">
* { margin: 0; padding: 0; font-size: 14px; }
a { color: #333; text-decoration: none }
ul { list-style: none; height: 30px; border-bottom: 5px solid #F60; margin-top: 20px; padding-left: 50px; }
ul li { float: left }
ul li a { display: block; height: 30px; text-align: center; line-height: 30px; width:120px; background: #efefef; margin-left: 1px;transition: width 1s; }
a.on, a:hover { background: #F60; color: #fff;width:160px; }
</style>
<!--<script>
window.onload=function(){
var aA=document.getElementsByTagName('a');
for(var i=0; i<aA.length; i++){
aA[i].onmouseover=function(){
var This=this;
【任务1】(This.time);
This.time=【任务2】(function(){
This.style.width=This.offsetWidth+8+"px";
if(This.【任务3】>=160)
clearInterval(This.time);
},30)
}
aA[i].onmouseout=function(){
clearInterval(this.time);
var This=this;
this.time=setInterval(function(){
This.style.width=This.offsetWidth-8+"px";
if(This.offsetWidth<=120){
This.style.width='120px';
clearInterval(This.time);
}
},30)
}
}
}
</script>-->
</head>
<body>
<ul>
<li><a class="on" href="#">首 页</a></li>
<li><a href="#">新闻快讯</a></li>
<li><a href="#">产品展示</a></li>
<li><a href="#">售后服务</a></li>
<li><a href="#">联系我们</a></li>
</ul>
</body>
</html>
导航条菜单的制作
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>动画菜单</title>
<style type="text/css">
* { margin: 0; padding: 0; font-size: 14px; }
a { color: #333; text-decoration: none }
ul{ list-style: none; }
.nav {height: 30px; border-bottom: 5px solid #F60; margin-left:50px; width:600px;}
.nav li { float: left; position:relative; height:30px; width:120px }
.nav li a { display: block; height: 30px; text-align: center; line-height: 30px; width:120px; background: #efefef; margin-left: 1px; }
.subNav{ position:absolute; top:30px; left:0; width:120px; height:0; overflow:hidden}
.subNav li a{ background:#ddd }
.subNav li a:hover{ background:#efefef}
</style>
<script>
window.onload=function(){
var aLi=document.getElementsByTagName('li');
for(var i=0; i<aLi.length; i++){
aLi[i].onmouseover=function(){
var oSubNav=this.getElementsByTagName('ul')[0];
if(oSubNav){
var This=oSubNav;
clearInterval(This.time);
This.time=setInterval(function(){
This.style.height=This.offsetHeight+16+"px";
if(This.offsetHeight>=120)
clearInterval(This.time);
},30)
}
}
//鼠标离开菜单，二级菜单动画收缩起来。
aLi[i].onmouseout=function(){
var oSubNav=this.getElementsByTagName('ul')[0];
if(oSubNav){
var This=oSubNav;
clearInterval(This.time);
This.time=setInterval(function(){
This.style.height=This.offsetHeight-16+"px";
if(This.offsetHeight<=0)
clearInterval(This.time);
},30)
}
}
}
}
</script>
</head>
<body>
<ul class="nav">
<li><a href="#">一级菜单</a>
<ul class="subNav">
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
</ul>
</li>
<li><a href="#">一级菜单</a>
<ul class="subNav">
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
<li><a href="#">二级菜单</a></li>
</ul>
</li>
<li><a href="#">一级菜单</a></li>
<li><a href="#">一级菜单</a></li>
<li><a href="#">一级菜单</a></li>
</ul>
</body>
</html>