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

Specification
HTML Standard (HTML)
# dom-broadcastchannel-postmessage-dev

Browser compatibility

BCD tables only load in the browser

See also