this-is-js.react-hooks.js

import React, { useState } from 'react'
import ReactDOM from 'react-dom';

function App() {
  const [count, setCount] = useState(0)
  
  function incrementCount() {
      setCount(count + 1)
  }

  return (
    <div>
      <h3>You clicked { count } times!</h3>
      <button
        onClick={incrementCount}
      >
        Click here!
      </button>
    </div>
  )
}

ReactDOM.render(
  <App />,
  document.getElementById('root')
)