Files
react-fundamentals-with-nextjs/app/page.js

27 lines
636 B
JavaScript

import { useState } from 'react';
function Header({ title }) {
return <h1>{title}</h1>
}
export default function HomePage() {
const names = ['Ada Lovelace', 'Grace Hopper', 'Margaret Hamilton'];
const [likes, setLikes] = React.useState(0);
function handleClick() {
setLikes(likes + 1);
}
return (
<div>
<Header title="Develop. Preview. Ship." />
<ul>
{names.map((name) => (
<li key={name}> {name} </li>
))}
</ul>
<button onClick={handleClick}> Like ({likes}) </button>
</div>
)
}