Count 2

 import React, { useState } from "react";

import "./index.css";

const App = () => {

  const [score, setScore] = useState(0);

  const add = () => {

    setScore(prevScore => prevScore + 10);

  };

  const subtract = () => {

    setScore(prevScore => prevScore - 5);

  };

  return (

    <div className="main">

      <h1 className="head">Score</h1>

      <h1>{score}</h1>

      <div className="app">

        <button className="add" onClick={add}>+</button>

        <button className="sub" onClick={subtract}>-</button>

      </div>

    </div>

  );

};

export default App;