react-function-components

Question 1

What is a React component?

Answer 1

reusable piece of UI that is created using JavaScript and the React JavaScript library. It can accept inputs (props) and return a tree of elements (virtual DOM) that describe how the component should render.

Question 2

How do you define a function component in React?

Answer 2

const ExampleComponent = (props) => {
return (
<div>
<h1>Hello {props.name}!</h1>
</div>
);
};

export default ExampleComponent;

Question 3

How do you mount a component to the DOM?

Answer 3

ReactDOM.render