반응형 frontenddev7 A Practical Guide to useTransition in React 19 1. Introduction Modern user interfaces should feel responsive, even when dealing with complex, expensive operations such as heavy data processing, filtering large lists, or navigating through extensive UI updates. React’s useTransition hook, introduced in React 18 and enhanced further in React 19, makes managing these heavy UI updates easier by distinguishing between urgent updates and transitio.. 2025. 3. 9. A Practical Guide to useRef in React 19 1. IntroductionWhen building React applications, you often need to reference DOM elements or store mutable values that persist across renders without triggering re-renders. useRef is a powerful React Hook that addresses these needs. It lets you maintain a stable reference to something that won’t force your component to update when changed—unlike state, which triggers re-renders. 2. Basic Signat.. 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. 이전 1 2 다음 반응형
