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
DOMStringrepresenting the name of the channel; there is one single channel with this name for all browser 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
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | 54 | ? | 38 | No | 41 | No |
| Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | Opera Android | iOS Safari | Samsung Internet |
|---|---|---|---|---|---|---|---|
| Basic support | 54 | 54 | ? | ? | 41 | No | 6.0 |
See also
BroadcastChannel, the interface it belongs to.