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<!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>
    <script src="./js/jquery-3.6.0.min.js"></script>
</head>
<body>

    <div>
        <p id="text">Hello</p>
    </div>

    <script>
        // 将p标签替换成span标签: replaceWith
        $("#text").replaceWith("<b>World</b>")



    </script>
    
</body>
</html>