<!DOCTYPE html>
<html lang="zh">
<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>Document</title>
<style>
#box{position: relative;}
#box img{position: relative; z-index: 1;}
.progress-bar{position: absolute; left: 167px; bottom: 69px; width: 180px; height: 10px; max-height: 357px; background: limegreen; transition: all 1.5s linear;}
</style>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
</head>
<body>
<h2>花式进度条实现</h2>
<div id="box">
<div class="progress-bar"></div>
<img src="http://www.iconpng.com/png/science-and-technology/battery86.png"/>
</div>
<script type="text/javascript">
setInterval(function(){
var h = parseInt(Math.random()*357);
console.log(h);
$('.progress-bar').height(h+'px');
},2000)
</script>
</body>
<html lang="zh">
<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>Document</title>
<style>
#box{position: relative;}
#box img{position: relative; z-index: 1;}
.progress-bar{position: absolute; left: 167px; bottom: 69px; width: 180px; height: 10px; max-height: 357px; background: limegreen; transition: all 1.5s linear;}
</style>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
</head>
<body>
<h2>花式进度条实现</h2>
<div id="box">
<div class="progress-bar"></div>
<img src="http://www.iconpng.com/png/science-and-technology/battery86.png"/>
</div>
<script type="text/javascript">
setInterval(function(){
var h = parseInt(Math.random()*357);
console.log(h);
$('.progress-bar').height(h+'px');
},2000)
</script>
</body>
</html>
