BroadcastChannel

- LS

BroadcastChannel allows scripts from the same origin but other browsing contexts (windows, workers) to send each other messages.

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 93: Supported
  3. 94: Supported

Firefox

  1. 2 - 37: Not supported
  2. 38 - 92: Supported
  3. 93: Supported
  4. 94 - 95: Supported

Chrome

  1. 4 - 53: Not supported
  2. 54 - 94: Supported
  3. 95: Supported
  4. 96 - 98: Supported

Safari

  1. 3.1 - 14.1: Not supported
  2. 15: Not supported
  3. TP: Not supported

Opera

  1. 9 - 40: Not supported
  2. 41 - 79: Supported
  3. 80: Supported

Safari on iOS

  1. 3.2 - 14.8: Not supported
  2. 15: Not supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 94: Supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 64: Supported

Chrome for Android

  1. 94: Supported

Firefox for Android

  1. 92: Supported

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4 - 6.4: Not supported
  2. 7.2 - 14.0: Supported
  3. 15.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Supported
Resources:
MDN Web Docs - Broadcast Channel
Shim - Broadcast Channel based on Localstorage, Indexeddb or Sockets