copyImageToClipboardChrome.js

document.querySelector('.copy-button').addEventListener('click', async () => {
  const src = document.querySelector('.image-to-copy').src
  try {
    const blob = await getImageBlobFromUrl(src)
    await navigator.clipboard.write([
      new ClipboardItem({
        [blob.type]: blob
      })
    ])
    alert('Image copied to clipboard!')
  } catch (err) {
    console.error(err.name, err.message);
    alert('There was an error while copying image to clipboard :/')
  }
})