gistfile1.txt

var go = function(og) {
  console.log("go")
  var reader = new FileReader();
  reader.addEventListener("load", function () {
      console.log("reader load", reader.result)
      completion(reader.result)
  }, false);
  fetch(og.src).then(function(req) {
    console.log("fetch", req)
    req.blob().then(function(data) {
      console.log("blob")
      blob = new Blob([data], {type: 'image/gif'})
      reader.readAsDataURL(blob)
    })
  })
}
var main = function() {
    console.log("main")
    var og = document.querySelector('.image_frame img');
    console.log("og", og)
    if (og) {
      go(og)
    } else {
      setTimeout(main, 400)
    }
}
main();