🏠 New in High Baseline Support: postMessage

January 29, 2018

caniuse · mdn · spec

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]