Clipboard Copy in react js (without any npm)

clipboard.js

import React , { useState } from 'react'

function Clipboard {
  
  const [copySuccess , setCopySuccess] = useState(false)
  const [textArea, setTextArea] = useState()

  function copyCodeToClipboard () {
      const el = textArea
      el.select()
      document.execCommand("copy")
      setCopySuccess(true)
  }
  
  return(
    <>
      <textarea
          ref={(textarea) => setTextArea(textarea)}
          value="This message will be copied."
      />
      <button onClick={() => copyCodeToClipboard()}>
        Copy to Clipboard
      </button>
    </>
    )
}

export default Clipboard