摘要：<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>下划线跟随导航</title> <script type="text/javascript" src="j
<!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: 0px;padding: 0px}
.nav1{width: 600px;height: 30px;background: #A5F220;margin: 20px auto;border-radius: 3px; box-shadow: 0px 2px 22px;position: relative;}
ul li{float: left;list-style: none;height: 30px;width: 120px;line-height: 30px;text-align: center;font-weight: bold;color: #FF00FF}
</style>
<script type="text/javascript">
$(function(){
//当鼠标移上li元素触发效果
$('li').hover(
function(){
//找到需要移动的位置赋值给变量x
$x=parseInt($(this).attr('name')*120)
//给下滑线一个自定义动画效果
$('.str').stop().animate({left:$x+'px'},300)
},
function(){
$('.str').animate({left:'2px'},100)
})
})
</script>
</head>
<body>
<div class="nav1">
<ul>
<li name="0">苹果</li>
<li name="1">橘子</li>
<li name="2">香蕉</li>
<li name="3">西瓜</li>
<li name="4">葡萄</li>
</ul>
<div class="str" style="height: 3px;width: 116px;background: #FF00FF;position: absolute;top: 30px;left: 2px"></div>
</div>
</body>
</html>
批改老师：韦小宝批改时间：2019-01-23 11:40:59
老师总结：写的很不错 代码写的很规范 课后没事多练习练习 继续加油吧
