Channel messaging

Channel messaging communicates one-to-one between browsing contexts on the same origin, such as between <iframe> elements or two documents using a shared worker. To learn more, see MessageChannel, MessageChannel: MessageChannel() constructor, MessageChannel: port1 property, MessageChannel: port2 property, MessageEvent: ports property, MessagePort, MessagePort: close() method, MessagePort: message event, MessagePort: postMessage() method, MessagePort: start() method at MDN.

Compatibility (view on caniuse.com)

• Chrome 4 Released on 2010-01-25
• Chrome Android 18 Released on 2012-06-27
• Edge 12 Released on 2015-07-29
• Firefox 41 Released on 2015-09-22
• Firefox for Android 41 Released on 2015-09-22
• Safari 5 Released on 2010-06-07
• Safari on iOS 4.2 Released on 2010-11-22