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ES6 classes

- OTHER

ES6 classes are syntactical sugar to provide a much simpler and clearer syntax to create objects and deal with inheritance.

Chrome

  1. ❌ 4 - 41: Not supported
  2. ◐ 42 - 48: Partial support
  3. ✅ 49 - 137: Supported
  4. ✅ 138: Supported
  5. ✅ 139 - 141: Supported

Edge

  1. ❌ 12: Not supported
  2. ✅ 13 - 137: Supported
  3. ✅ 138: Supported

Safari

  1. ❌ 3.1 - 8: Not supported
  2. ✅ 9 - 18.4: Supported
  3. ✅ 18.5: Supported
  4. ✅ 26.0 - TP: Supported

Firefox

  1. ❌ 2 - 44: Not supported
  2. ✅ 45 - 139: Supported
  3. ✅ 140: Supported
  4. ✅ 141 - 143: Supported

Opera

  1. ❌ 9 - 28: Not supported
  2. ◐ 29 - 35: Partial support
  3. ✅ 36 - 116: Supported
  4. ✅ 117: Supported

IE

  1. ❌ 5.5 - 10: Not supported
  2. ❌ 11: Not supported

Chrome for Android

  1. ✅ 138: Supported

Safari on iOS

  1. ❌ 3.2 - 8.4: Not supported
  2. ✅ 9 - 18.4: Supported
  3. ✅ 18.5: Supported
  4. ✅ 26.0: Supported

Samsung Internet

  1. ❌ 4: Not supported
  2. ✅ 5 - 27: Supported
  3. ✅ 28: Supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ✅ 138: Supported

Firefox for Android

  1. ✅ 140: Supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ✅ 2.5: Supported
  2. ✅ 3: Supported
Resources:
MDN Web Docs - ES6 classes
List of resources critical of ES6 classes
Sitepoint deep dive on ES6 classes