var $parent = document.createElement("div")
    $gif = document.createElement("img")
   ,$favicon = document.createElement("link")

$gif.crossOrigin = "anonymous"

$gif.src = "./s/favicon.gif"

$favicon.rel = "icon"

window.parent.document.head.appendChild($favicon)

$parent.appendChild($gif)

var supergif = new SuperGif({gif: $gif})
   ,$canvas

supergif.load(()=> {
	$canvas = supergif.get_canvas()
  updateFavicon()
})

function updateFavicon() {
	$favicon.href = $canvas.toDataURL()
  window.requestAnimationFrame(updateFavicon)
}