BroadcastChannel()

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 DOMString representing the name of the channel; there is one single channel with this name for all browsing 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

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
Basic supportChrome Full support 54Edge ? Firefox Full support 38IE No support NoOpera Full support 41Safari No support NoWebView Android Full support 54Chrome Android Full support 54Edge Mobile ? Firefox Android ? Opera Android Full support 41Safari iOS No support NoSamsung Internet Android Full support 6.0

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown

See also

Document Tags and Contributors

Contributors to this page: Pamplemousse, fscholz, chrisdavidmills, nmve, jpmedley, adria, teoli
Last updated by: Pamplemousse,