<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>商品の合計金額計算</title>
<style>
body {
font-family: sans-serif;
padding: 20px;
}
.container {
max-width: 400px;
margin: 0 auto;
}
.item-list {
background-color: #f5f5f5;
padding: 15px;
border-radius: 4px;
margin: 15px 0;
}
.item {
padding: 5px 0;
}
button {
padding: 10px 20px;
font-size: 16px;
cursor: pointer;
background-color: #2196F3;
color: white;
border: none;
border-radius: 4px;
margin-top: 10px;
}
button:hover {
background-color: #0b7dda;
}
#result {
margin-top: 20px;
padding: 15px;
background-color: #e7f3ff;
border-left: 4px solid #2196F3;
font-size: 20px;
font-weight: bold;
}
</style>
</head>
<body>
<div class="container">
<h1>商品の合計金額計算</h1>
<div class="item-list">
<div class="item">りんご: 120円</div>
<div class="item">バナナ: 80円</div>
<div class="item">みかん: 100円</div>
</div>
<button id="calculateButton">合計を計算する</button>
<div id="result"></div>
</div>
<script>
const calculateButton = document.querySelector("#calculateButton");
const result = document.querySelector("#result");
calculateButton.addEventListener("click", () => {
const prices = [120, 80, 100];
let total = 0;
for (const price of prices) {
total = total + price;
}
result.textContent = `合計金額: ${total}円`;
});
</script>
</body>
</html>
