Code Mosh React 18 Beginners Fco -

React 18’s strict mode mounts/unmounts/mounts in dev – be aware. createRoot (instead of ReactDOM.render) index.js

return <p>fact</p>;

return ( <button onClick=() => setLikes(likes + 1)> 👍 likes </button> ); code mosh react 18 beginners fco

⚠️ Always use a unique key . function DeleteButton( onDelete ) return <button onClick=onDelete>Delete</button>; React 18’s strict mode mounts/unmounts/mounts in dev –