<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://cdn.bootcss.com/jquery/2.1.1/jquery.min.js"></script>
</head>
<style>
*{
padding: 0;
margin: 0;
}
body{
overflow: hidden;
}
.box{
background: #ddd;
position: absolute;
right: 0;
height: 100%;
width: 30px;
}
.box2{
width: 30px;
height: 30px;
text-align: center;
line-height: 30px;
background: red;
position: relative;
top: 100px;
cursor: pointer;
color: #fff;
}
.hover-box2{
width: 100px;
text-align: center;
height: 30px;
line-height: 30px;
background: red;
color: #fff;
position: absolute;
top: 0;
left: 0;
z-index: -1;
}
</style>
<body>
<div class="box">
<div class="box2">
<span>好</span>
<div class="hover-box2 hover_box2">
欢迎光临
</div>
</div>
</div>
</body>
<script>
$(.box2).hover(function(){
$(.hover_box2).stop().animate({
left:-100px
},500)
},function(){
$(.hover_box2).stop().animate({
left:0px
},500)
})
</script>
</html>
