How do you show no results in a food ordering app?
Check if the filtered items array is empty. If so, show a message like 'No items found' or 'No items match your filters' instead of the item list. This is better than showing a blank screen.
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More FAQs in Food Ordering App: Filters and Search Implementation
Add an input listener. Filter items by name (case-insensitive): item.name.toLowerCase().includes(query.toLowerCase()). Re-render the menu on every input. Debounce the search (300ms) to avoid excessive re-renders.
Store filter state (veg: true/false/null, category: string, maxPrice: number). In the filter function, check each condition. Re-render on every filter change. Combine search and filters in one getFilteredItems function.
Yes. Debounce the search input (300ms) to avoid re-rendering the menu on every keystroke. This improves performance, especially with large menus or when the search triggers an API call.
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