返回顶部 fixed oncheck(点击按钮）

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <div onclick="GoTop();" style="position: fixed; background-color: #022531; color: #eff9f9; bottom: 20px; right: 20px; height: 50px; width: 50px;">返回顶部</div>
    <div style="height: 5000px; background-color: #dddddd; color: #f25022">

    </div>
    <script>
        function GoTop(){
            document.body.scrollTop = 0;
        }
    </script>
</body>
</html>

posted on 2018-07-10 20:24 python我的最爱阅读(356) 评论(0) 编辑收藏举报