JavaScript statement: import: Import attributes with `assert` syntax (formerly import assertions): `assert {type: 'css'}`

IE

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

Edge

  1. 12 - 92: Not supported
  2. 93 - 125: Supported
  3. 126 - 128: Not supported
  4. 129: Not supported

Firefox

  1. 2 - 129: Not supported
  2. 130: Not supported
  3. 131 - 133: Not supported

Chrome

  1. 4 - 92: Not supported
  2. 93 - 125: Supported
  3. 126 - 128: Not supported
  4. 129: Not supported
  5. 130 - 132: Not supported

Safari

  1. 3.1 - 17.6: Not supported
  2. 18.0: Not supported
  3. 18.1: Not supported
  4. TP: Support unknown

Opera

  1. 10 - 113: Not supported
  2. 114: Not supported

Safari on iOS

  1. 3.2 - 17.6: Not supported
  2. 18.0: Not supported
  3. 18.1: Not supported

Opera Mini

  1. all: Support unknown

Android Browser

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

Opera Mobile

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

Chrome for Android

  1. 129: Not supported

Firefox for Android

  1. 130: Not supported

UC Browser for Android

  1. 15.5: Support unknown

Samsung Internet

  1. 4 - 16.0: Not supported
  2. 17.0 - 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