Context

MyReactButton.js

class MyReactButton extends React.Component {
  constructor() {
    this.state = {name: ‘my-name’};
  }

  onClick() {
    console.log(this.state.name);
  }

  render() {
    return (
      <button onClick={this.onClick}>
        Click me!
      </button>
    );
  }
};