Copy variable contents to the user clipboard

javascript-copy-paste.js

copyText (textToCopy) {
  this.copied = false
  
  // Create textarea element
  const textarea = document.createElement('textarea')
  
  // Set the value of the text
  textarea.value = textToCopy
  
  // Make sure we cant change the text of the textarea
  textarea.setAttribute('readonly', '');
  
  // Hide the textarea off the screnn
  textarea.style.position = 'absolute';
  textarea.style.left = '-9999px';
  
  // Add the textarea to the page
  document.body.appendChild(textarea);

  // Copy the textarea
  textarea.select()

  try {
    var successful = document.execCommand('copy');
    this.copied = true
  } catch(err) {
    this.copied = false
  }

  textarea.remove()
}