BroadcastChannel.close() terminates the connection to
the underlying channel, allowing the object to be garbage collected.
This is a necessary step to perform
as there is no other way for a browser to know
that this channel is not needed anymore.
Note: This feature is available in Web Workers
// Connect to a channel const bc = new BroadcastChannel("test_channel"); // More operations (like postMessage, …) // When done, disconnect from the channel bc.close();
|HTML Standard |
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BroadcastChannel, the interface it belongs to.