WebProgramming/funcPr-practice.html at main · jurutang/WebProgramming · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
const cart = [
    { item: "노트북", price: 1200000, quantity: 1 },
    { item: "마우스", price: 35000, quantity: 2 },
    { item: "키보드", price: 89000, quantity: 1 }
];

let totalPrice = 0;
for (let i=0; i<cart.length; i++) {
    totalPrice += (cart[i].price * cart[i].quantity);
}
console.log(`Total Price: ${totalPrice}`);

totalPrice = 0;
cart.forEach(product => {
    totalPrice += product.price * product.quantity;
});
console.log(`Total Price: ${totalPrice}`);

totalPrice = cart.reduce(
    (a, product) => (a + product.price * product.quantity), 0
);
console.log(`Total Price: ${totalPrice}`);

const itemTotals = cart.map(product => ({
    item: product.item,
    total: product.price * product.quantity
}));
console.log('제품별 금액: ',itemTotals);

const names = ['alice', 'bob', 'charlie'];
const uppercasedNames = names.map(lowName => lowName.toUpperCase());
console.log(`[ ${uppercasedNames} ]`);

const capitalStartnames = names.map(initName => initName[0].toUpperCase() + initName.slice(1));
console.log(`[ ${capitalStartnames} ]`);
    </script>
</body>
</html>