반응형 concurrentrendering6 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 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. A Practical Guide to useInsertionEffect in React 19 1. Introduction When React introduced concurrent rendering in React 18, new hooks emerged to handle different stages of a component’s lifecycle in the rendering pipeline. One such hook is useInsertionEffect, which lets you perform effects synchronously before DOM mutations occur.Why does this matter? In many cases, you want to inject or modify styles (or perform other side effects) before the br.. 2025. 3. 8. A Practical Guide to useImperativeHandle in React 19 1. Introduction Most React apps focus on declarative code, where data and state flow in a predictable, one-way manner. However, sometimes you need to expose imperative methods from a child component to a parent—essentially letting the parent call specific functions on the child’s instance or DOM node. In React 19, that’s where useImperativeHandle (in combination with forwardRef) comes in.This ho.. 2025. 3. 8. 이전 1 2 다음 반응형
