qrfix.js

window.theImage = () => {
  const u = byid("url").value,
      i = img,
      c = valof("control"),
      r = valof("rand"),
      d = valof("data"),
      t = valof("dither"),
      s = Math.floor(Math.random()*1e9),
      o = rotation,
      x = dx
      y = dy;
  
  return "/qr/draw?" + Object.entries({i, u, m, x, y, v, c, r, d , r, s, z, o})
    .map(([key, value]) => [key, value].map(encodeURIComponent).join("=")).join("&");
  }

console.log("%c success! now you can close this :)", "font-size: large")