Build a robust React aspect-ratio container with CSS and fallbacks. Includes TypeScript code, usage patterns, accessibility, testing, and performance tips.
Build an accessible, secure, paste-aware React OTP/PIN input with Web OTP, mobile keypad, and full keyboard support.
Build robust React split-pane layouts: DIY implementation, libraries, accessibility, performance, and persistence, with practical code examples.
Build a fast, accessible React multi-select dropdown: API design, ARIA patterns, code, virtualization, async loading, performance, and testing.
Build an accessible React tooltip and hover card with Floating UI and Radix, covering keyboard support, touch, portals, theming, and tests.
Build a robust React scroll spy navigation with hooks, a11y, smooth scrolling, SSR tips, and TypeScript—plus an optional IntersectionObserver version.
