Can I use
?

Request API: keepalive

IE

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

Edge

  1. 12 - 14: Not supported
  2. 15 - 110: Supported
  3. 111: Supported

Firefox

  1. 2 - 110: Not supported
  2. 111: Not supported
  3. 112 - 113: Not supported

Chrome

  1. 4 - 65: Not supported
  2. 66 - 110: Supported
  3. 111: Supported
  4. 112 - 114: Supported

Safari

  1. 3.1 - 12.1: Not supported
  2. 13 - 16.3: Supported
  3. 16.4: Supported
  4. 16.5 - TP: Supported

Opera

  1. 10 - 42: Not supported
  2. 43 - 94: Supported
  3. 95: Supported

Safari on iOS

  1. 3.2 - 12.5: Not supported
  2. 13 - 16.3: Supported
  3. 16.4: Supported
  4. 16.5: Supported

Opera Mini

  1. all: Support unknown

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 111: Supported

Opera Mobile

  1. 12 - 12.1: Not supported
  2. 73: Supported

Chrome for Android

  1. 111: Supported

Firefox for Android

  1. 110: Not supported

UC Browser for Android

  1. 13.4: Support unknown

Samsung Internet

  1. 4 - 8.2: Not supported
  2. 9.2 - 19.0: Supported
  3. 20: Supported

QQ Browser

  1. 13.1: Support unknown

Baidu Browser

  1. 13.18: Support unknown

KaiOS Browser

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