图片跟随系统
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>图片跟随系统</title>
<script src="jquery-3.3.1.min.js"></script>
<style>
*{
margin: 0;
padding: 0;
}
body{
list-style: none;
}
#nav{
width: 500px;height: 30px;background:black;margin: 0 auto;color: white;position: relative;
}
ul{
position:relative;
}
#nav ul li{
font-size: 15px;
width: 100px;
height: 30px;
line-height: 30px;
float: left;
text-align: center;
list-style: none;
cursor:pointer;
}
</style>
<script>
$(function(){
$('li').hover(
function(){
$x=parseInt($(this).attr('name'))*100
$('.block').stop().animate({left:$x+'px'},300)
},
function(){
$('.block').stop().animate({left:'0px'},300)
}
)
})
</script>
</head>
<body>
<div id="nav">
<ul>
<li name="0">HTML</li>
<li name="1">CSS</li>
<li name="2">JAVASCRIPT</li>
<li name="3">PHP</li>
<li name="4">MYSQL</li>
</ul>
<div class="block" style="width: 100px;height: 10px;background:pink;position: absolute;margin-top: 30px;" ></div>
</div>
</body>
</html>
