BroadcastChannel()

The BroadcastChannel() constructor creates a new BroadcastChannel and connects it to the underlying channel.

Note:

This feature is available in Web Workers.

Syntax

 channel = new BroadcastChannel(channel);

Values

channel
Is a DOMString representing the name of the channel; there is one single channel with this name for all browsing contexts with the same origin.

Example

// create a new channel listening to the "internal_notification" channel.

var bc = new BroadcastChannel('internal_notification');
bc.postMessage('New listening connected!');

Specifications

Specification Status Comment
HTML Living Standard
The definition of 'BroadcastChannel()' in that specification.
Living Standard Initial definition.

Browser compatibility

BCD tables only load in the browser

See also