代码展示：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
#container {
/* background-color: red; */
height: 115px;
width: 180px;
margin: 100px auto;
position: relative;
text-align: center;
/* overflow: hidden; */
}
.close-btn {
position: absolute;
left: 0px;
top: 0px;
}
</style>
</head>
<body>
<div id="container">
<div class="box">
<span>淘宝二维码</span>
<img src="./img/4.jpg" width="150">
<i class="close-btn">x</i>
</div>
</div>
<script>
var i = document.querySelector('.close-btn'); //获取元素对象
var cont = document.querySelector('#container') //获取大盒子对象
//注册事件 事件处理函数
i.onclick = function() {
cont.style.display="none";
}
</script>
</body>
</html>
效果如下：
