Channel messaging
Widely available since 2018-03-22
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.
Learning resources on MDN
Browser support (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
Specifications
- HTML Standard (#channel-messaging), from HTML Workstream (WHATWG).