react’s reactivity is one of its strongest features, but unnecessary re-renders can severely affect performance when overused. these redundant re-renders can lead to slow ui updates in larger...
react的响应性是其强大特性,但过多的重新渲染会影响性能。状态或属性变化通常导致重新渲染,父组件的重新渲染会使所有子组件也重新渲染。使用react.memo()、usecallback()和usememo()等技术可以优化性能,减少不必要的重新渲染,提升用户体验。