BroadcastChannel.postMessage()
The BroadcastChannel.postMessage() sends a message, which can be of any kind of Object, to each listener in any browsing context with the same origin. The message is transmitted as a message event targeted at each BroadcastChannel bound to the channel.
Note: This feature is available in Web Workers
Syntax
var str = channel.postMessage(object);
Specifications
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
postMessage |
54 |
79 |
38 |
No |
41 |
preview |
54 |
54 |
38 |
41 |
No |
6.0 |
See also
-
BroadcastChannel, the interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/BroadcastChannel/postMessage