[React] counter 실습

import React, { useState } from "react";

function App() {
  function plus() {
    const newCount = num + 1;
    setNum(newCount);
  }

  function minus() {
    const newCount = num - 1;
    setNum(newCount);
  }

  const [num, setNum] = useState(0);
  return (
    <>
      {num}
      <br />
      <button onClick={plus}>증가</button>
      <button onClick={minus}>감소</button>
    </>
  );
}

export default App;