lazyLoadingRoutes B4

App.js

import React from "react";
import { BrowserRouter, Route, Link, Switch } from "react-router-dom";
import AskPage from "./AskPage";

const App = () => {
   return (
      <BrowserRouter>
         <Link to="/ask">AskPage</Link>

         <Route exact path="/ask" component={AskPage} />
      </BrowserRouter>
   );
};

export default App;

AskPage.jsx

import React from "react";

export const AskPage = () => <h1> This is AskPage </h1>;