6 views
25 Jan 2026
Create a tiny router that switches pages using state and buttons....
5 views
25 Jan 2026
Move inline objects outside render to avoid new references each render....
5 views
25 Jan 2026
Refactor a component to move style objects outside and keep render clean....
8 views
25 Jan 2026
Use useMemo to avoid filtering a list on every render unnecessarily....
6 views
25 Jan 2026
Use useCallback to keep a stable function reference for a memoized child....
6 views
25 Jan 2026
Create a table where each row is memoized to avoid extra re-renders....
5 views
25 Jan 2026
Use React.lazy and Suspense to load a heavy section....
7 views
25 Jan 2026
Render a list with stable ids and avoid using index as key....
5 views
25 Jan 2026
Split a component state into two smaller states to avoid confusion....
6 views
25 Jan 2026
Use useRef to store a mutable value without re-rendering....
6 views
25 Jan 2026
Compute derived stats from a list and memoize the result....
6 views
25 Jan 2026
Use useDeferredValue to keep typing smooth during heavy filtering....
8 views
25 Jan 2026
Use useTransition to show pending state while updating an expensive list....
6 views
25 Jan 2026
Render 10k+ items smoothly by only rendering visible rows (manual virtualization)....
7 views
25 Jan 2026
Debounce user typing so filtering runs less often and feels smoother....
8 views
25 Jan 2026
Update scroll progress smoothly without setting state on every scroll event....
7 views
25 Jan 2026
Avoid re-rendering consumers by memoizing the context value object....
6 views
25 Jan 2026
Subscribe to an external store without tearing using useSyncExternalStore....
6 views
25 Jan 2026
Memoize rows so only the selected row re-renders when selection changes....
5 views
25 Jan 2026
Pass stable object props to memoized child so it doesn’t re-render....
5 views
25 Jan 2026
Calculate heavy derived data once per input change using useMemo....
5 views
25 Jan 2026
Update state multiple times safely using functional setState....
7 views
25 Jan 2026
Create expensive Intl formatter once, not every render....
6 views
25 Jan 2026
Run heavy work when the browser is idle so UI stays responsive....
5 views
25 Jan 2026
Preload a lazy component when user hovers so it opens instantly....
6 views
25 Jan 2026
Track how many times a component re-rendered and show it on screen....
6 views
25 Jan 2026
Build a lookup Map once and use it for fast access during rendering....
6 views
25 Jan 2026
Keep a fast input responsive by isolating re-renders in a memo child....
7 views
25 Jan 2026
Sort a list only when sort options change, not on every render....
7 views
25 Jan 2026
Build an input component that exposes focus() using forwardRef....
5 views
25 Jan 2026
Create a presentational component and wrap it with React.memo....
5 views
25 Jan 2026
Create an ErrorBoundary that catches render errors and shows a fallback UI....
