toolkit/components/antitracking/test/browser/tracker.js


1
2
3
4
5
6
7

window.addEventListener("message", () => {
  let bc = new BroadcastChannel("a");
  bc.postMessage("ready!");
});
window.open(
  "https://tracking.example.org/browser/toolkit/components/antitracking/test/browser/3rdPartyOpen.html"
);