App.js더보기import React from "react";import { Provider, useDispatch, useSelector } from "react-redux";import counterSlice from "./counterSlice.js";import store from "./store.js";// const initialState = {value:0};// const reducer = (state, action) =>{// if(action.type==="up"){// return{...state, value:state.value + action.step}// }// return state;// }// const store = createStore..