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
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Basic support | 54.0 | 38 (38) | No support | 41 | No support |
| Available in workers | 54.0 | 38 (38) | No support | 41 | No support |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|
| Basic support | No support | No support | 38.0 (38) | No support | 41 | No support | 54.0 |
| Available in workers | No support | No support | 38.0 (38) | No support | 41 | No support | 54.0 |
See also
BroadcastChannel, the interface it belongs to.