state, useState

state: 컴포넌트가 갖고 있는 속성값

1. useState 예시

import { useState } from "react";

export default function Hello(){
    const [name, setName] = useState('Mike');

    function changeName(){
        setName(name === "Mike" ? "Jane" : "Mike");
    }

    return (
        <>
            <h1>State</h1>
            <h2>{name}</h2>
            <button onClick={changeName}>Change</button>
        </>
    )
}