6.content filter.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>Document</title>

    <style>
        div {
            width: 100px;
        }
    </style>
</head>

<body>

    <div class="names">Jason Kidd</div>
    <div class="names">LeBron James</div>
    <div class="names">Jason Williams</div>
    <div class="names">James Harden</div>

    <script src="https://code.jquery.com/jquery-3.6.0.js"
        integrity="sha256-H+K7U5CnXl1h5ywQfKtSj8PCmoN9aaq30gDh27Xc0jk=" crossorigin="anonymous"></script>

    <script>

        $("div.names:contains('Jason')").css('background-color', 'yellow')
        //字串規則，使用單引號or雙引號代表字串
        //'string' or "string"

    </script>
</body>

</html>