Can I use
?

Channel messaging

- LS

Method for having two-way communication between browsing contexts (using MessageChannel)

Chrome

  1. ✅ 4 - 156: Supported
  2. ✅ 157: Supported
  3. ✅ 158 - 160: Supported

Edge

  1. ✅ 12 - 155: Supported
  2. ✅ 156: Supported

Safari

  1. ❌ 3.1 - 4: Not supported
  2. ✅ 5 - 27.1: Supported
  3. ✅ 27.2: Supported
  4. ✅ 27.3 - TP: Supported

Firefox

  1. ❌ 2 - 25: Not supported
  2. ❌ 26 - 40: Disabled by default
  3. ✅ 41 - 159: Supported
  4. ✅ 160: Supported
  5. ✅ 161 - 163: Supported

Opera

  1. ❌ 9 - 10.1: Not supported
  2. ﹖ 10.5: Support unknown
  3. ✅ 10.6 - 138: Supported
  4. ✅ 139: Supported

IE

  1. ❌ 5.5 - 9: Not supported
  2. ✅ 10: Supported
  3. ✅ 11: Supported

Chrome for Android

  1. ✅ 157: Supported

Safari on iOS

  1. ❌ 3.2 - 4.3: Not supported
  2. ✅ 5 - 26.6: Supported
  3. ✅ 27.0: Supported
  4. ✅ 27.1 - 27.2: Supported

Samsung Internet

  1. ✅ 4 - 30: Supported
  2. ✅ 31: Supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10: Not supported
  2. ✅ 11 - 12.1: Supported
  3. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ❌ 2.1 - 4.3: Not supported
  2. ✅ 4.4 - 4.4.4: Supported
  3. ✅ 157: Supported

Firefox for Android

  1. ✅ 160: Supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ✅ 2.5: Supported
  2. ✅ 3: Supported
Resources:
An Introduction to HTML5 web messaging
MDN Web Docs - Channel Messaging API