下划线跟随导航
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>下划线跟随导航</title>
<script type="text/javascript" src="../jquery-3.3.1.js" ></script>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
ul{
list-style: none;
font-size: 15px;
position: relative;
z-index: 20;
}
li{
float: left;
width: 100px;
height: 30px;
text-align: center;
cursor: pointer;
}
.menu{
width: 500px;
position: relative;
margin: 20px auto;
height: 32px;
box-shadow: 0 2px 20px;
background: #AF3434;
border-radius: 50px;
}
#block{
z-index: 10;
width: 100px;
height: 2px;
background: #FFFFFF;
position: absolute;
top: 30px;
}
</style>
<script type="text/javascript">
$(function () {
$('li').hover(
function () {
//获取移动变量
$x=parseInt($(this).attr('name'))*100;
$('#block').stop().animate({left:$x+'px'})
},
//初始化元素
function () {
$('#block').stop().animate({left:'0px'})
}
)
});
</script>
</head>
<body>
<div class="menu">
<ul>
<li name="0">首页</li>
<li name="1">首1页</li>
<li name="2">首2页</li>
<li name="3">首3页</li>
</ul>
<div id="block"></div>
</div>
</body>
</html>