<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
* {
margin: 0;
padding: 0;
}
ul {
list-style: none;
width: 1300px;
}
#box {
width: 1200px;
height: 400px;
border: 2px solid red;
margin: 100px auto;
}
#box li {
width: 240px;
height: 400px;
/*border: 1px solid #000;*/
float: left;
}
</style>
</head>
<body>
<div id="box">
<ul>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
<script src="../jquery-1.12.4.js"></script>
<script>
$(function(){
var $lis=$("#box li");
//隐式迭代会给所有的对象赋一样的值
//得用显式迭代给每一个li标放背景图
//stop让正在执行的动画停了
for(var i=0;i<$lis.length;i++){
$lis.eq(i).css("backgroundImage","url(images/"+(i+1)+".jpg)");
}
$lis.mouseenter(function(){
$(this).stop().animate({width:800},2000).siblings().stop().animate({width:100},2000);
}).mouseleave(function(){
$lis.stop().animate({width:240},2000);
});
});
</script>
</body>
</html>
