HTMLElement API: attachInternals

IE

  1. 6 - 10: Not supported
  2. 11: Not supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 128: Supported
  3. 129: Supported

Firefox

  1. 2 - 92: Not supported
  2. 93 - 129: Supported
  3. 130: Supported
  4. 131 - 133: Supported

Chrome

  1. 4 - 76: Not supported
  2. 77 - 128: Supported
  3. 129: Supported
  4. 130 - 132: Supported

Safari

  1. 3.1 - 16.3: Not supported
  2. 16.4 - 17.6: Supported
  3. 18.0: Supported
  4. 18.1 - TP: Supported

Opera

  1. 10 - 63: Not supported
  2. 64 - 113: Supported
  3. 114: Supported

Safari on iOS

  1. 3.2 - 16.3: Not supported
  2. 16.4 - 17.6: Supported
  3. 18.0: Supported
  4. 18.1: Supported

Opera Mini

  1. all: Support unknown

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 129: Supported

Opera Mobile

  1. 12 - 12.1: Not supported
  2. 80: Supported

Chrome for Android

  1. 129: Supported

Firefox for Android

  1. 130: Supported

UC Browser for Android

  1. 15.5: Support unknown

Samsung Internet

  1. 4 - 11.2: Not supported
  2. 12.0 - 24: Supported
  3. 25: Supported

QQ Browser

  1. 14.9: Support unknown

Baidu Browser

  1. 13.52: Support unknown

KaiOS Browser

  1. 2.5: Support unknown
  2. 3: Support unknown