eract use functions or components code example

Example 1: react functional components

const component = () => {
console.log("This is a functional Component");
}

Example 2: functional components

function Welcome(props) {  return <h1>Hello, {props.name}</h1>;
}

const element = <Welcome name="Sara" />;ReactDOM.render(
  element,
  document.getElementById('root')
);