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
channel.postMessage(message);
Parameters
message-
Data to be sent to the other window. The data is serialized using the structured clone algorithm. This means you can pass a broad variety of data objects safely to the destination window without having to serialize them yourself.
Return value
None.
Specifications
| Specification |
|---|
| HTML Standard # dom-broadcastchannel-postmessage-dev |
Browser compatibility
BCD tables only load in the browser
See also
BroadcastChannel, the interface it belongs to.