Tell us what’s happening: I have a issue with if statement with this.items array I don’t see the error
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">$${price}</p>
<p class="product-category">Category: ${category}</p>
<button
id="${id}"
class="btn add-to-cart-btn">Add to cart
</button>
</div>
`;
}
);
class ShoppingCart {
constructor() {
this.items = [];
this.total = 0;
this.taxRate = 8.25;
}
addItem(id, products) {
const product = products.find((item) => item.id === id);
const { name, price } = product;
this.items.push(product);
const totalCountPerProduct = {};
this.items.forEach((dessert) => {
totalCountPerProduct[dessert.id] = (totalCountPerProduct[dessert.id] || 0) + 1;
})
const currentProductCount = totalCountPerProduct[product.id];
const currentProductCountSpan = document.getElementById(`product-count-for-id${id}`);
currentProductCount > 1
? currentProductCountSpan.textContent = `${currentProductCount}x`
: productsContainer.innerHTML += `
<div id=dessert${id} class="product">
<p>
<span class="product-count" id=product-count-for-id${id}></span>${name}
</p>
<p>${price}</p>
</div>
`;
}
getCounts() {
return this.items.length;
}
clearCart() {
if(!this.items!==[]){
alert("Your shopping cart is already empty");
return ;
}
}
calculateTaxes(amount) {
return parseFloat(((this.taxRate / 100) * amount).toFixed(2));
}
calculateTotal() {
const subTotal = this.items.reduce((total, item) => total + item.price, 0);
const tax = this.calculateTaxes(subTotal);
this.total = subTotal + tax;
cartSubTotal.textContent = `$${subTotal.toFixed(2)}`;
cartTaxes.textContent = `$${tax.toFixed(2)}`;
cartTotal.textContent = `$${this.total.toFixed(2)}`;
return this.total;
}
};
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();
cart.calculateTotal();
})
}
);
cartBtn.addEventListener("click", () => {
isCartShowing = !isCartShowing;
showHideCartSpan.textContent = isCartShowing ? "Hide" : "Show";
cartContainer.style.display = isCartShowing ? "block" : "none";
});```
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Challenge Information:
Learn Basic OOP by Building a Shopping Cart - Step 55