BroadcastChannel: BroadcastChannel() constructor

Note: This feature is available in Web Workers.

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

Syntax

js
new BroadcastChannel(channelName)

Parameters

channelName

A string representing the name of the channel; there is one single channel with this name for all browsing contexts with the same origin.

Examples

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

const bc = new BroadcastChannel("internal_notification");
bc.postMessage("New listening connected!");

Specifications

See also