gecko-dev/dom/broadcastchannel/tests/broadcastchannel_worker_alive.js

8 lines
216 B
JavaScript

(new BroadcastChannel("foobar")).addEventListener("message", function(event) {
if (event.data != "READY") {
event.target.postMessage(event.data);
}
});
(new BroadcastChannel("foobar")).postMessage("READY");