Learn Basic OOP by Building a Shopping Cart - Step 48

JavaScript
1

Tell us what’s happening: I don’t see where is the issue in my declaration of tax variable

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] = (totalCountPerProduct[dessert.id] || 0) + 1;
    })

    const currentProductCount = totalCountPerProduct[product.id];
    const currentProductCountSpan = document.getElementById(`product-count-for-id${id}`);

    currentProductCount > 1 
      ? currentProductCountSpan.textContent = `${currentProductCount}x`
      : productsContainer.innerHTML += `
      <div id=dessert${id} class="product">
        <p>
          <span class="product-count" id=product-count-for-id${id}></span>${name}
        </p>
        <p>${price}</p>
      </div>
      `;
  }

  getCounts() {
    return this.items.length;
  }

  calculateTaxes(amount) {
    return parseFloat(((this.taxRate / 100) * amount).toFixed(2));
  }

  calculateTotal() {
    const subTotal = this.items.reduce((total, item) => total + item.price, 0);
    const tax = calculateTaxes(subTotal);

  }
};

const cart = new ShoppingCart();
const addToCartBtns = document.getElementsByClassName("add-to-cart-btn");

[...addToCartBtns].forEach(
  (btn) => {
    btn.addEventListener("click", (event) => {
      cart.addItem(Number(event.target.id), products);
      totalNumberOfItems.textContent = cart.getCounts();
    })
  }
);

cartBtn.addEventListener("click", () => {
  isCartShowing = !isCartShowing;
  showHideCartSpan.textContent = isCartShowing ? "Hide" : "Show";
  cartContainer.style.display = isCartShowing ? "block" : "none";
});```

WARNING

The challenge seed code and/or your solution exceeded the maximum length we can port over from the challenge.

You will need to take an additional step here so the code you wrote presents in an easy to read format.

Please copy/paste all the editor code showing in the challenge from where you just linked.

```text
Replace these two sentences with your copied code.
Please leave the ``` line above and the ``` line below,
because they allow your code to properly format in the post.

Your browser information:

User Agent is: Mozilla/5.0 (X11; Linux x86_64) 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 48

2

calculateTaxes is a method, you need to call it on… something, you are missing a special keyword

3

yes, I see it was necessary to add this keyword thank you for your help

4

This topic was automatically closed 182 days after the last reply. New replies are no longer allowed.