Why is focus management important for modals in React?
Because modals that do not trap focus or return focus on close are inaccessible to keyboard and screen reader users. Always handle focus: trap it within the modal while open, and return it to the trigger on close.
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More FAQs in Common Navigation and Styling Mistakes in React UIs
Because anchor tags cause full page reloads and lose app state. Link updates the URL without a reload, which is what makes client-side routing work and preserves the single-page experience.
Without it, invalid URLs show a blank page. A catch-all 404 route handles invalid URLs gracefully, showing a not-found message instead of nothing, which is much better UX.
Use a design token system. Define your colors, spacing, and typography as tokens, with Tailwind customization or CSS variables, so they stay consistent across the app instead of ad hoc values scattered across components.
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