How we built it


BroadcastChannel allows scripts from the same origin but other browsing contexts to send each other messages. Channels are scoped to an origin and have a name, messages posted to a channel will be delivered to all listeners of that channel in all documents.



Editor's draft

Status in Chromium

Enabled by default (launch bug) in:

  • Chrome for desktop release 54
  • Chrome for Android release 54
  • Opera release 41
  • Opera for Android release 41

Consensus & Standardization

  • Shipped
  • No public signals
  • No public signals
  • No signals


Last updated on 2016-09-09