The BroadcastChannel.postMessage()
sends a message, which can be of any kind of Object
, to each listener in any browser 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
Specification | Status | Comment |
---|---|---|
HTML Living Standard The definition of 'BroadcastChannel.postmessage()' in that specification. |
Living Standard | Initial definition. |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | 54.0 | 38 (38) | No support | 41 | No support |
Available in workers | 54.0 | 38 (38) | No support | 41 | No support |
Feature | Android | Android Webview | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
---|---|---|---|---|---|---|---|
Basic support | No support | No support | 38.0 (38) | No support | 41 | No support | 54.0 |
Available in workers | No support | No support | 38.0 (38) | No support | 41 | No support | 54.0 |
See also
BroadcastChannel
, the interface it belongs to.