javascript/modal2.html at main · imdongyoung/javascript · GitHub

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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>
</head>
<body>
    <div class="modal">
        <button class="open">열기</button>
        <div class="modal-overlay">
            <div class="modal-content">
                <button class="close">X</button>
                <div>
                    안녕
                </div>
            </div>
        </div>
    </div>
    <script>
        const modal = document.querySelector(".modal");
        const modalOverlay = modal.querySelector(".modal-overlay");
        const openBtn = modal.querySelector(".open");
        const closeBtn = modal.querySelector(".close");
    </script>
</body>
</html>