반응형 dommanipulation2 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 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 다음 반응형
