... item.price * item.qty), 0); cartTotalElement.textContent = `$${totalSum.toFixed(2)}`; } } }; document.addEventListener('DOMContentLoaded', () => MiniCart.init()); Implementing this lightweight cart meant that whenever a doctor or a patient clicked "Add to Cart" on a box of syringes or a blood pressure monitor, the item instantly slid into their sidebar cart with zero delay. It made the entire store feel like a custom-coded web app rather than a simple static site, and the performance hit was completely negligible. --- Day 5: Nginx Caching Rules and Server Optimization ...

... doorbell. It rings the same whether it's a package or a fire. That's basically the gap Pushary fills, same hook idea you've already wired, but the event carries a real handoff (done vs blocked vs