[자바 스크립트] 10. 이벤트 리스너

Apr 04, 2025


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<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <h1>이벤트 리스너</h1>
    <hr>
    <button id="btn1">클릭</button>

    <script>
        let btn1 = document.querySelector("#btn1");

        btn1.addEventListener("click", (e) => {
            console.log(e);
            alert("btn1 호출됨")
        });
    </script>
</body>

</html>