What machine coding questions are asked at Amazon?
Autocomplete search bar with debounce and keyboard navigation (up/down/enter). 90 minutes. Implement debounce from scratch (no lodash). Keyboard navigation is a must. Handle no results and special characters.
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Food ordering app with a menu, search, filters (veg/non-veg, price), and cart (add, remove, quantity, total). 90 minutes. Focus on cart logic and filters. Handle empty cart and no search results.
OTP input component with auto-focus, backspace navigation, and paste support. 60 minutes. Paste support is often forgotten, so implement it. Numeric-only input and submit when filled.
Pagination component (page numbers, ellipsis, current page) followed by a throttle implementation as a follow-up. 90 minutes. Ellipsis for many pages is important. Be ready to implement throttle from scratch.
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