🏠 New in Low Baseline Support: postMessage
July 29, 2015
The postMessage() global method sends cross-origin messages to windows and workers, including popups and iframes. Also known as cross-document messaging.
Source features
api.MessageEvent[mdn]api.MessageEvent.data[mdn]api.MessageEvent.origin[mdn]api.MessageEvent.source[mdn]api.Window.postMessage[mdn]api.Worker.postMessage[mdn]api.DedicatedWorkerGlobalScope.message_event[mdn]api.DedicatedWorkerGlobalScope.postMessage[mdn]api.Worker.message_event[mdn]api.MessageEvent.MessageEvent[mdn]api.Window.message_event[mdn]api.MessageEvent.lastEventId[mdn]