<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
*{padding: 0;margin: 0;}
.box{
width: 200px;
height: 200px;
background-color: #FF0000;
position: absolute;
top: 50px;
left: 0px;
}
</style>
</head>
<body>
<div id="wrap">
<button id="btn">运动</button>
<div class="box" id="box1">
</div>
</div>
</body>
<script type="text/javascript">
var btn = document.getElementById('btn');
var box1 = document.getElementById('box1')
var count = 0;
var time = null;
btn.onclick = function(){
time = setInterval(function(){
count+=10;
if(count>1000){
clearInterval(time)
box1.style.display = 'none'
}
box1.style.left = count + 'px'
},10)
}
</script>
</html>