아래 콘솔 영역에서 메시지를 바로 확인할 수 있습니다. 확장 팝업으로 로깅을 켜기/끄기 할 수 있습니다.
window.postMessage
Uses window.postMessage and listens for message events.
MessageChannel / MessagePort
Creates a channel, transfers ports, and bounces messages.
BroadcastChannel
Opens two channels with the same name and exchanges messages.
Worker
Spawns a dedicated worker, sends/receives messages.
SharedWorker
Connects to a shared worker via MessagePort.
Service Worker
Registers a service worker and exchanges messages.
Child iframe