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.

Baseline Status: Achieved Widely Available on Mar 22, 2018 (Cross-browser Newly Available since Sep 22, 2015).

Desktop Browser Engine Support

Google Chrome

4

Supported

Mozilla Firefox

41

Supported

Apple Safari

5

Supported

Microsoft Edge

12

Supported

Mobile Browser Engine Support

Chrome Android

18

Firefox Android

41

Safari iOS

4.2

Specifications and References

Specification ↗ Can I Use (channel-messaging) ↗ Feature XML ↗

MDN Browser Compat Data Keys:

api.MessageChannel ↗ api.MessageChannel.MessageChannel ↗ api.MessageChannel.port1 ↗ api.MessageChannel.port2 ↗ api.MessageEvent.ports ↗ api.MessagePort ↗ api.MessagePort.close ↗ api.MessagePort.message_event ↗ api.MessagePort.postMessage ↗ api.MessagePort.start ↗ api.MessagePort.worker_support ↗