Can I use
?

FetchEvent API: request

IE

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

Edge

  1. 12 - 16: Not supported
  2. 17 - 90: Supported
  3. 91: Supported

Firefox

  1. 2 - 43: Not supported
  2. 44 - 88: Supported
  3. 89: Supported
  4. 90 - 91: Supported

Chrome

  1. 4 - 90: Support unknown
  2. 91: Supported
  3. 92 - 94: Supported

Safari

  1. 3.1 - 11: Not supported
  2. 11.1 - 14: Supported
  3. 14.1: Supported
  4. 15 - TP: Supported

Opera

  1. 10 - 75: Support unknown
  2. 76: Supported

Safari on iOS

  1. 3.2 - 11.2: Not supported
  2. 11.3 - 14.4: Supported
  3. 14.5: Supported

Opera Mini

  1. all: Support unknown

Android Browser

  1. 2.1 - 4.4.4: Support unknown
  2. 91: Supported

Opera Mobile

  1. 12 - 12.1: Support unknown
  2. 62: Supported

Chrome for Android

  1. 91: Supported

Firefox for Android

  1. 89: Support unknown

UC Browser for Android

  1. 12.12: Support unknown

Samsung Internet

  1. 4 - 13.0: Support unknown
  2. 14.0: Supported

QQ Browser

  1. 10.4: Support unknown

Baidu Browser

  1. 7.12: Support unknown

KaiOS Browser

  1. 2.5: Support unknown