반응형 Dev/React20 A Practical Guide to useReducer in React 19 1. Introduction In React applications, state management can become challenging when complex or multi-step updates are required. Using multiple useState hooks or deeply nested objects sometimes leads to scattered logic. useReducer addresses this by providing a predictable, reducer-driven approach—similar to Redux but localized to a component.Key Benefits:Predictable: All state transitions flow th.. 2025. 3. 9. A Practical Guide to useOptimistic in React 19 1. Introduction Modern web applications often deal with frequent server interactions—updating items, sending forms, or deleting records. If your UI waits for each server response before reflecting changes, it can feel sluggish or unresponsive. Optimistic UI updates address this by preemptively updating the interface, then reconciling if the server returns a different result.In React 19, useOptim.. 2025. 3. 9. A Practical Guide to useMemo in React 19 1. Introduction In React development, you’ll often encounter expensive computations or large data transformations that can slow down performance if re-run on every render. useMemo is a powerful React Hook that caches (memoizes) the result of these computations, ensuring they only re-run when necessary. In React 19, useMemo remains an important tool for optimizing rendering and improving user exp.. 2025. 3. 8. A Practical Guide to useLayoutEffect in React 19 1. Introduction When building React applications, you often need to perform operations after the DOM has been updated but before the user actually sees the changes. Enter useLayoutEffect. In React 19, this hook remains a powerful tool for scenarios where timing truly matters—such as measuring layout or synchronously updating certain DOM properties to avoid visual flickers.While useLayoutEffect c.. 2025. 3. 8. 이전 1 2 3 4 5 다음 반응형
