postMessage
Widely available since 2018-01-29
The postMessage() global method sends cross-origin messages to windows and workers, including popups and iframes. Also known as cross-document messaging.
Specifications
- HTML (#web-messaging), from HTML Workstream (WHATWG).
Browser support (view on caniuse.com)
- Chrome 2 Released on 2009-05-21
- Chrome Android 18 Released on 2012-06-27
- Edge 12 Released on 2015-07-29
- Firefox 3 Released on 2008-06-17
- Firefox for Android 4 Released on 2011-03-29
- Safari 4 Released on 2009-06-08
- Safari on iOS 3.2 Released on 2010-04-03
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