掌握React useRef钩子的DOM操作与性能优化
原文英文,约1100词,阅读约需4分钟。发表于: 。Understanding React useRef Hook: From Zero to Hero Introduction When building applications with React, one key challenge developers face is managing component state and performance....
React的useRef钩子用于管理组件状态,避免不必要的重新渲染。它返回一个可变对象,允许直接与DOM交互,存储值而不触发更新。useRef适合跟踪状态变化、访问DOM元素和优化性能。