阻止冒泡事件和默认事件

`

<head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <style> #big { width: 300px; height: 300px; background-color: aqua; }
    #small {
        width: 100px;
        height: 100px;
        background-color: brown;
    }
</style>
</head> <body> <div id="big"> <div id="small"> <a href="https://baidu.com" id='testA'>a</a> </div> </div> `
posted @ 2020-12-26 15:55  yuanliy  阅读(50)  评论(0编辑  收藏  举报