const im = new Image(320,50);
  im.src='https://06e2d650-e2af-4bb9-b421-90cde16c6c5c.adfirewall.net/creative?w=320&h=50&c=cocacola';
  if( document.getElementById("creative") )
    document.getElementById("creative").appendChild(im);
  else
    document.body.appendChild(im);