... existing) { existing.qty += 1; } else { this.items.push(newItem); } this.saveCart(); this.openCartDrawer(); }, openCartDrawer() { const drawer = document.querySelector('.cart-canvas-drawer'); if (drawer) { drawer.classList.add('active'); document.body.classList.add('cart-open'); } }, render() { const cartCountElements = document.querySelectorAll('.cart-count'); const cartItemsContainer = document.querySelector('.cart-items-list'); const cartTotalElement = document.querySelector('.cart-subtotal-amount'); // Update count badges const totalQty = this.items.reduce((sum, item) => sum + item.qty, 0); cartCountElements.forEach(el => el.textContent = totalQty); // Update list if (cartItemsContainer) { if (this.items.length === 0) { cartItemsContainer.innerHTML = '<li class="empty-msg">Your cart is empty.</li>'; } else { cartItemsContainer.innerHTML ...

... brilliant general-purpose tool. Okiela is a specialist for e-commerce profit analytics. ------------- A few concrete examples from real Shopify/Lazada/TikTok Shop data: Okiela already understands the structure of ecommerce exports. You don t have to explain what Lineitem price , Subtotal , or Created At mean every single time. You just upload, wait a few seconds, and you get a proper profit dashboard. Shopify exports repeat Subtotal/Shipping/Tax on every line of an order. If you simply sum Subtotal