react-function-components

Question 1

What is a React component?

Answer 1

independent and reusable bits of code

Question 2

How do you define a function component in React?

Answer 2

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

Question 3

How do you mount a component to the DOM?

Answer 3

const container = document.querySelector('#root');
const root = ReactDOM.createRoot(container);
root.render();