案例:关闭淘宝二维码案例

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box {
            position: relative;
            width: 74px;
            height: 88px;
            border : 1px solid #cccccc;
            margin: 100px auto;
            font-size: 12px;
            text-align: center;
            color: #f40;
            /* display: block; */
        }
        .box img {
            /* position: relative; */
            width: 60px;
            margin-top: 5px;
        }
        .close-btn {
            position: absolute;
            top: 18px;
            left: 79px;
            width: 14px;
            height: 14px;
            border: 1px solid #cccccc;
            line-height: 14px;
            font-family: Arial, Helvetica, sans-serif;
            cursor: pointer;
        }
    </style>

</head>
<body>
    <div class="box">
        淘宝二维码
        <img src="OIP.jpg" alt="">
        <i class="close-btn">X</i>
    </div>
    <script>
        //1.获取元素
        var btn = document.querySelector('.close-btn');
        var box = document.querySelector('.box');
        btn.onclick = function() {
            //this 指向函数的调用者
            box.style.display = 'none';
        }
    </script>
    
</body>
</html>

 

posted @ 2020-06-01 11:14  qiuqiu95  阅读(307)  评论(0编辑  收藏  举报