Typing element attributes

onClick: () => void;

onChange: (id: number) => void;

// taking an event on input
onChange: (event: React.
ChangeEvent<HTMLInputElement>) => void;

// taking an event on button
onClick(event: React.MouseEvent<HTMLButtonElement>): void;

Typing React Elements

import { ReactElement } from "react";

Typing fetch attributes

Typing issue with cors attribute.

mode: 'cors' as RequestMode