<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
*{
padding: 0;
margin: 0;
list-style: none;
}
.content{
width: 200px;
position: absolute;
left: 50%;
top: 50%;
margin-left: -100px;
margin-top: -100px;
}
.list{
width: 100%;
text-align: center;
}
.list ul li p[class=title]{
width: 100%;
height: 50px;
line-height: 50px;
border-bottom: 1px #ccc solid;
cursor: pointer;
background-color: #ee3366;
font-size: 20px;
color: white;
}
.list ul li p[class=title]:hover{
background-color: #ee6677;
}
.list ul li ul{
overflow: hidden;
display: none;
}
.list ul li ul li{
position: relative;
right: -100%;
transition: right 0.5s ease-in-out;
}
.list ul li ul li p{
cursor: pointer;
height: 50px;
line-height: 50px;
background-color: #CCCCCC;
color: white;
}
.list ul li ul li p:hover{
background-color: #5b5b5b;
}
</style>
</head>
<body>
<div class="content">
<div class="list">
<ul>
<li>
<p class="title">ITEM1</p>
<ul>
<li>
<p>Item1</p>
</li>
<li>
<p>Item2</p>
</li>
<li>
<p>Item3</p>
</li>
<li>
<p>Item4</p>
</li>
</ul>
</li>
<li>
<p class="title">ITEM2</p>
<ul>
<li>
<p>Item1</p>
</li>
<li>
<p>Item2</p>
</li>
<li>
<p>Item3</p>
</li>
<li>
<p>Item4</p>
</li>
</ul>
</li>
<li>
<p class="title">ITEM3</p>
<ul>
<li>
<p>Item1</p>
</li>
<li>
<p>Item2</p>
</li>
<li>
<p>Item3</p>
</li>
<li>
<p>Item4</p>
</li>
</ul>
</li>
<li>
<p class="title">ITEM4</p>
<ul>
<li>
<p>Item1</p>
</li>
<li>
<p>Item2</p>
</li>
<li>
<p>Item3</p>
</li>
<li>
<p>Item4</p>
</li>
</ul>
</li>
</ul>
</div>
</div>
<script src="js/jquery-1.12.4.min.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
$(function(){
$('.list ul li p').on("click",function(){
$(this).stop().siblings('ul').slideToggle('fast')
$(this).stop().parent().siblings().children("ul").slideUp('fast').siblings().slideDown('fast')
var li = $(this).next().children("li")
for(let i = 0 ; i<li.length;i++){
li.eq(i).animate({
"right":0
},i*25)
}
$(this).parent().siblings().children("ul").children("li").css("right","-100%")
})
})
</script>
</body>
</html>
