반응형 Reactjs7 A Practical Guide to useId in React 19 1. Introduction When building React applications, you often need unique identifiers for DOM elements—especially for accessibility (like associating labels with form controls) or any feature that relies on distinct element IDs. Before React 18, we typically generated IDs using external libraries or ad-hoc solutions that didn’t always play nicely with server-side rendering (SSR).With the addition .. 2025. 3. 8. A Practical Guide to useCallback in React 19 1. Introduction In React, hooks are powerful tools that let you manage state and lifecycle methods in functional components. Among these hooks, useCallback is often mentioned in the same conversation as useMemo, useEffect, and useRef because it deals with performance optimization.This post will dive into what useCallback does, how it differs from other optimization hooks, and the scenarios in wh.. 2025. 3. 5. A Practical Guide to useActionState in React 19 1. IntroductionReact continues to evolve, offering new ways to simplify state management and asynchronous operations. In React 19, one of the most exciting additions is the useActionState hook. This hook allows you to combine asynchronous logic—such as fetching data from an API, validating inputs, or running server actions—directly with state updates in a single, streamlined flow.Recently, the h.. 2025. 3. 4. 이전 1 2 다음 반응형
