Code Snippet for https://blog.nextzy.me/เมื่อเขียน-react-แต่ดันไม่รู้เรื่อง-method-binding-ใน-react-component-6a498f3f646f

UserCard.jsx

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

class UserCard extends Component {

  constructor(props) {
    super(props);

    this.state = {
      name: 'Akexorcist'
    }

    this.onButtonClick = this.onButtonClick.bind(this);
  }

  onButtonClick = () => {
    ...
  }

  ...
}

export default UserCard