CSS selector: `::part`

IE

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

Edge

  1. 12 - 18: Not supported
  2. 79 - 85: Supported
  3. 86: Supported

Firefox

  1. 2 - 68: Not supported
  2. 69 - 71: Disabled by default
  3. 72 - 80: Supported
  4. 81: Supported
  5. 82 - 83: Supported

Chrome

  1. 4 - 72: Not supported
  2. 73 - 85: Supported
  3. 86: Supported
  4. 87 - 89: Supported

Safari

  1. 3.1 - 13: Not supported
  2. 13.1: Supported
  3. 14: Supported
  4. TP: Supported

Opera

  1. 10 - 58: Not supported
  2. 60 - 70: Supported
  3. 71: Supported

iOS Safari

  1. 3.2 - 13.3: Not supported
  2. 13.4: Supported
  3. 14: Supported

Opera Mini

  1. all: Support unknown

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 81: Supported

Opera Mobile

  1. 12 - 12.1: Not supported
  2. 59: Supported

Chrome for Android

  1. 85: Supported

Firefox for Android

  1. 79: Not supported

UC Browser for Android

  1. 12.12: Support unknown

Samsung Internet

  1. 4 - 10.1: Not supported
  2. 11.1: Supported
  3. 12.0: Supported

QQ Browser

  1. 10.4: Support unknown

Baidu Browser

  1. 7.12: Support unknown

KaiOS Browser

  1. 2.5: Support unknown