function calculateTotalPrice(items = []) { // let total = 0; // items.forEach((item) => { // total += item.price; // }); const total = items.reduce((sum, item) => { // Ensure that item.price is a number const price = typeof item.price === 'number' ? item.price : Number(item.price); if (isNaN(price)) { console.warn(`Invalid price for item "${item.name}". Skipping...`); return sum; } return sum + Number(item.price); }, 0); return Number(total.toFixed(2)); } const shoppingCart = [ { name: 'Laptop', price: 999.99 }, { name: 'Smartphone', price: 599.99 }, { name: 'Headphones', cost: 199.99 }, ]; const totalPrice = calculateTotalPrice(shoppingCart); console.log('Total Price:', totalPrice); function displayUserProfile(user) { console.log(`Name: ${user.name}`); console.log(`Age: ${user.age}`); console.log(`Email: ${user.email.toLowerCase()}`); } const userProfile = { name: 'Sarah', age: 'twenty-five', email: 'SARAH@EXAMPLE.COM', }; displayUserProfile(userProfile); function getFirstItemName(items) { return items[0].name.toUpperCase(); } console.log('First Item:', getFirstItemName(shoppingCart)); // => LAPTOP const numberList = [1, 2, 3, 4, 5]; const sum = numberList.reduce((acc, num) => acc + Number(num), 0); console.log('Sum:', sum); // => 15