[Child > Parent] ParentComponent - Code Snippet for https://blog.nextzy.me/การส่งข้อมูลระหว่าง-parent-และ-child-componentใน-react-725eb793de7b

ParentComponent.jsx

import React, { Component } from 'react'
import ChildComponent from './ChildComponent'
...

class ParentComponent extends Component {
  ...

  onConfirm(order) {
    // Do something
  }

  render() {
    return (
      <React.Fragment>
        <ChildComponent confirm={this.onConfirm} />
      </React.Fragment>
    )
  }
}

export default ParentComponent