The Far Side Scriptable attempt

const wv = new WebView()
await wv.evaluateJavaScript(`console.info = console.log = () => {};
completion()`, true)
await wv.loadURL("https://thefarside.com")
const imgBase64 = await wv.evaluateJavaScript(`
  const img = document.getElementsByClassName("js-comic")[0].getElementsByClassName("img-fluid")[0];
  img.setAttribute("crossOrigin", "anonymous");
  const c = document.createElement("canvas");
  c.width = Number(img.getAttribute("data-width"));
  c.height = Number(img.getAttribute("data-height"));
  const ctx = c.getContext("2d");
  ctx.globalAlpha = 1;
  ctx.drawImage(img, 0, 0, c.width, c.height);
  completion(c.toDataURL("image/png").split(",")[1]);
`, true);
const img = Image.fromData(Data.fromBase64String(imgBase64));
QuickLook.present(img, false);