jquery的顶级对象-5 

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./js/jquery.min.js"></script>
    <style>
        div {
            width: 100px;
            height: 100px;
            background-color: black;
        }
    </style>
</head>
 
<body>
    <script>
        /* $(document).ready(function(){
                    $('div').hide();
                }) */
        //两种方式等价
      /*   $(function() {
           alert(11);
        }); */
        jQuery(function(){
            alert(1);
        });
        //$是jquery的顶级对象
    </script>
    <div></div>
 
</body>
 
</html>

posted @ 2022-06-09 18:01  前端导师歌谣  阅读(8)  评论(0)    收藏  举报