This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
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 |
|---|---|---|
| WHATWG 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.