- 創建增強函數
- 插入CreateStore方法
const composeEnhancer=window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE_?window.__REDUX_DEVTOOLS_EXTENSION__({}):compose
const enhancer=composeEnhancer(applyMiddleware(thunk))
const store=createStore(reducer,enhancer)
export default store
總結:增強函數相當於是兩個函數合併或者說是鏈式函數