how to write onPress funcion in function component code example

Example 1: react bind function to component

class Foo extends Component {
  constructor(props) {
    super(props);
    this.handleClick = this.handleClick.bind(this);
  }
  handleClick() {
    console.log('Click happened');
  }
  render() {
    return Click Me;
  }
}

Example 2: react native function

class Foo extends Component {
  handleClick() {
    console.log('Click happened');
  }
  render() {
    return Click Me;
  }
}