IntroToReact

basic-props.js

// ParentComponent.js
export default class ParentComponent extends React.Component {
  render() {
    return (
      <div>
        <ChildComponent number={1} />
        <ChildComponent number={2} />
        <ChildComponent number={3} />
        <ChildComponent number={4} />
      </div>
    );
  }
}
// ChildComponent.js
export default class ChildComponent extends React.Component {
  render() {
    return (
      <p>This is {this.props.number}</p>
    )
  }
}