HTML點名器代碼
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>HTML點名器</title>
<style>
body {
background-color: #F5F5F5;
font-family: Arial, sans-serif;
}
h1 {
text-align: center;
}
label {
font-size: 20px;
display: block;
margin-top: 20px;
}
input[type="text"] {
font-size: 20px;
padding: 10px;
border: none;
border-radius: 5px;
box-shadow: 1px 1px 5px #D3D3D3;
width: 100%;
}
input[type="button"] {
font-size: 20px;
padding: 10px 20px;
border: none;
border-radius: 5px;
background-color: #4CAF50;
color: white;
cursor: pointer;
margin-top: 20px;
}
input[type="button"]:hover {
background-color: #2E8B57;
}
#result {
font-size: 30px;
font-weight: bold;
padding-top: 50px;
text-align: center;
}
</style>
</head>
<body>
<h1>HTML點名器</h1>
<label>請輸入學生姓名，多個學生用逗號隔開</label>
<input type="text" id="students" placeholder="例如：張三,李四,王五" autofocus>
<input type="button" value="開始點名" onclick="randomName()">
<div id="result"></div>
<script>
function randomName() {
var students = document.getElementById("students").value;
var arrNames = students.split(",");
var randomIndex = Math.floor(Math.random() * arrNames.length);
var selectedName = arrNames[randomIndex].trim();
var result = document.getElementById("result");
result.innerHTML = "點名結果：" + selectedName;
}
</script>
</body>
</html>