<!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>
<input type="button" value="confirm" onclick="func()" />
<!-- confirm()은 사용자가 확인을 누르면 true, 취소를 누르면 false를 반환한다 -->
<script>
const func = () => {
if (confirm("ok?")) {
alert("ok");
} else {
alert("cancel");
}
};
</script>
</body>
</html>