Learn Basic OOP by Building a Shopping Cart - Step 23

JavaScript
1

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const cartContainer = document.getElementById("cart-container");
const productsContainer = document.getElementById("products-container");
const dessertCards = document.getElementById("dessert-card-container");
const cartBtn = document.getElementById("cart-btn");
const clearCartBtn = document.getElementById("clear-cart-btn");
const totalNumberOfItems = document.getElementById("total-items");
const cartSubTotal = document.getElementById("subtotal");
const cartTaxes = document.getElementById("taxes");
const cartTotal = document.getElementById("total");
const showHideCartSpan = document.getElementById("show-hide-cart");
let isCartShowing = false;

const products = [
  {
    id: 1,
    name: "Vanilla Cupcakes (6 Pack)",
    price: 12.99,
    category: "Cupcake",
  },
  {
    id: 2,
    name: "French Macaron",
    price: 3.99,
    category: "Macaron",
  },
  {
    id: 3,
    name: "Pumpkin Cupcake",
    price: 3.99,
    category: "Cupcake",
  },
  {
    id: 4,
    name: "Chocolate Cupcake",
    price: 5.99,
    category: "Cupcake",
  },
  {
    id: 5,
    name: "Chocolate Pretzels (4 Pack)",
    price: 10.99,
    category: "Pretzel",
  },
  {
    id: 6,
    name: "Strawberry Ice Cream",
    price: 2.99,
    category: "Ice Cream",
  },
  {
    id: 7,
    name: "Chocolate Macarons (4 Pack)",
    price: 9.99,
    category: "Macaron",
  },
  {
    id: 8,
    name: "Strawberry Pretzel",
    price: 4.99,
    category: "Pretzel",
  },
  {
    id: 9,
    name: "Butter Pecan Ice Cream",
    price: 2.99,
    category: "Ice Cream",
  },
  {
    id: 10,
    name: "Rocky Road Ice Cream",
    price: 2.99,
    category: "Ice Cream",
  },
  {
    id: 11,
    name: "Vanilla Macarons (5 Pack)",
    price: 11.99,
    category: "Macaron",
  },
  {
    id: 12,
    name: "Lemon Cupcakes (4 Pack)",
    price: 12.99,
    category: "Cupcake",
  },
];

products.forEach(
  ({ name, id, price, category }) => {
    dessertCards.innerHTML += `
      <div class="dessert-card">
        <h2>${name}</h2>
        <p class="dessert-price">$${price}</p>
        <p class="product-category">Category: ${category}</p>
        <button 
          id="${id}" 
          class="btn add-to-cart-btn">Add to cart
        </button>
      </div>
    `;
  }
);

class ShoppingCart {
  constructor() {
    this.items = [];
    this.total = 0;
    this.taxRate = 8.25;
  }

  addItem(id, products) {
    const product = products.find((item) => item.id === id);
    const { name, price } = product;
    this.items.push(product);
    
    const totalCountPerProduct = {};
    this.items.forEach((dessert) => {
      totalCountPerProduct[dessert[id]] = dessert.id + 1; 
    })
  }
};

can someone please explain why this is not working?

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User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Challenge Information:

Learn Basic OOP by Building a Shopping Cart - Step 23

2

Can you explain why you used totalCountPerProduct[dessert[id]] on the left side of the equals sign but dessert.id on the right?

3

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