HTML
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet" href="main.css" />
<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="alert-box" id="alert">
<p id="title">알림창임</p>
<button onclick="알림창열기('none');">닫기</button>
</div>
<button onclick="알림창열기('block'), 알림창아이디('아이디입력하세요');">
버튼1
</button>
<button onclick="알림창열기('block'), 알림창아이디('비번입력하세요');">
버튼2
</button>
<script>
function 알림창열기(구멍) {
document.getElementById("alert").style.display = 구멍;
}
function 알림창아이디(구멍) {
document.getElementById("title").innerHTML = 구멍;
}
</script>
</body>
</html>
CSS
.alert-box {
background-color: skyblue;
padding: 20px;
color: white;
border-radius: 5px;
display: none;
}
