11、 jQuery操作样式之类操作.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jQuery操作样式之类操作</title>
    <script src="./jquery-3.6.1.min.js"></script>
    <style>
        .current {
            width: 200px;
            height: 200px;
            background-color: pink;
            margin: 100px auto;
            transition: all 0.5s;
        }

        .fontContent {
            color: red;
            width: 300px;
            height: 300px;
            font-size: 30px;
            background-color: yellow;
            transition: rotate(360deg);
        }
    </style>
</head>

<body>
    <div class="current">123</div>
    <script>
        $(function () {
            //1、添加类  addClass()
            $('div').click(function () {
                // $(this).addClass('current');
            });

            //2、移除类  removeClass()
            $('div').click(function () {
                $(this).removeClass('fontContent');
            });

            //3、切换类  toggleClass()
            //  当单击按钮的时候，修改div的类样式，再次单击按钮的时候，切换回原来的类样式
            $('div').click(function () {
                $(this).toggleClass('fontContent');
            });
        })  
    </script>
</body>

</html>