What follow-up questions should I prepare for after a food ordering app?
How to scale for 10,000 items (virtualization, server-side search), how to persist the cart (localStorage, backend), how to add authentication and payment, how to test (unit, integration, E2E), and how to make it accessible (ARIA, keyboard).
Verify This Answer
Cross-check this information using these trusted sources:
More FAQs in Food Ordering App: Complete Checklist for Interviews
Plan (10 min: data, state, HTML), core (50 min: menu, cart, search, filters), edge cases (20 min: empty cart, no results, quantity 0, decimals), CSS (10 min: layout, grid, responsive), testing (all features and edge cases), and follow-up preparation (scaling, persistence, auth).
10 min: plan. 50 min: build core (menu, cart, search, filters). 20 min: handle edge cases (empty cart, no results, quantity 0). 10 min: CSS and testing. Build cart logic first (it is the hardest part).
Menu list with items, search by name, filters (veg/non-veg, category, price), cart (add, remove, quantity), cart total, and checkout. Handle empty cart and no results. Add basic CSS for layout.
Still have questions?
Browse all our FAQs or reach out to our support team