Files
study/modern-react/my-react-ts/src/StateBasic.tsx

20 lines
420 B
TypeScript

import { useState } from 'react';
// Props 타입 선언
type StateBasicProps = {
init: number
};
export default function StateBasic({ init }: StateBasicProps) {
const [count, setCount] = useState<number>(init);
const handleClick = () => setCount(count + 1);
return (
<>
<button onClick={handleClick}></button>
<p>{count} .</p>
</>
);
}