<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
.show{
width: 100px;
height: 100px;
background-color: aquamarine;
border: 1px solid orange;
margin-bottom: 10px;
display: none;
}
</style>
<script src="js/jq/jquery-2.1.3.min.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
$(document).ready(function(){
$("#btn").click(function(){
$("div:eq(0)").fadeIn(1000);
$("div:eq(1)").fadeIn(1500);
$("div:eq(2)").fadeIn(2000);
})
})
</script>
</head>
<body>
<input type="button" name="btn" id="btn" value="click" />
<div class="show"></div>
<div class="show"></div>
<div class="show"></div>
</body>
</html>
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