postMessageThe postMessage() global method sends cross-origin messages to windows and workers, including popups and iframes. Also known as cross-document messaging.messagingMessagingwidely2015-07-292018-01-29https://html.spec.whatwg.org/multipage/web-messaging.html#web-messagingx-doc-messaginghttps://developer.mozilla.org/docs/Web/API/MessageEventapi.DedicatedWorkerGlobalScope.message_eventapi.DedicatedWorkerGlobalScope.postMessageapi.MessageEventapi.MessageEvent.MessageEventapi.MessageEvent.dataapi.MessageEvent.lastEventIdapi.MessageEvent.originapi.MessageEvent.sourceapi.Window.message_eventapi.Window.postMessageapi.Worker.message_eventapi.Worker.postMessagehttps://nowyoucanuse.com/features--postmessage.html