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Hooks首先解决的问题就是
目前接触到了useState useRef useCallback useEffect useState就是给函数式组件提供了state,和更新state的方法。
useState
useRef
useCallback
useEffect
function useUserName(props) { const [name, setName] = useState('pt') }
当调用setName方法更新name的时候,这个组件就会进行re-render
The text was updated successfully, but these errors were encountered:
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React Hooks 初体验
Hooks能带来啥?
Hooks首先解决的问题就是
2.class组件,通用逻辑复用难度高,使用HOC封装通用逻辑的组件,DOM结构混乱,代码不直观
目前接触到了
useState
useRef
useCallback
useEffect
useState就是给函数式组件提供了state,和更新state的方法。
当调用setName方法更新name的时候,这个组件就会进行re-render
The text was updated successfully, but these errors were encountered: