图文示例讲解useState与useReducer性能区别
引言 稍微深入了解过useState的同学都知道 —— useState其实是预置了reducer的useReducer。具体来讲,他预置的reducer实现如下: function basicStateReducer(state, action) { // $FlowFixMe: Flow doesn't like mixed types return typeof action
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引言 稍微深入了解过useState的同学都知道 —— useState其实是预置了reducer的useReducer。具体来讲,他预置的reducer实现如下: function basicStateReducer(state, action) { // $FlowFixMe: Flow doesn't like mixed types return typeof action