The BroadcastChannel() constructor creates a new BroadcastChannel and connects it to the underlying channel.
Note: This feature is available in Web Workers
BroadcastChannel: BroadcastChannel() constructor
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
| Specification |
|---|
| HTML Standard # dom-broadcastchannel-dev |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
BroadcastChannel |
54 | 79 | 38 | No | 41 | 15.4 | 54 | 54 | 38 | 41 | 15.4 | 6.0 |
See also
BroadcastChannel, the interface it belongs to.
© 2005–2023 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/BroadcastChannel/BroadcastChannel