Can I use
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ES6 Number

- OTHER

Extensions to the Number built-in object in ES6, including constant properties EPSILON, MIN_SAFE_INTEGER, and MAX_SAFE_INTEGER, and methods isFinite, isInteger, isSafeInteger, and isNaN.

IE

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

Edge

  1. 12 - 96: Supported
  2. 97: Supported

Firefox

  1. 2 - 15: Not supported
  2. 16 - 24: Partial support
  3. 25 - 30: Partial support
  4. 31: Partial support
  5. 32 - 95: Supported
  6. 96: Supported
  7. 97 - 98: Supported

Chrome

  1. 4 - 18: Not supported
  2. 19 - 33: Partial support
  3. 34 - 96: Supported
  4. 97: Supported
  5. 98 - 100: Supported

Safari

  1. 3.1 - 8: Not supported
  2. 9 - 15.1: Supported
  3. 15.2: Supported
  4. TP: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 20: Partial support
  3. 21 - 81: Supported
  4. 82: Supported

Safari on iOS

  1. 3.2 - 8.4: Not supported
  2. 9 - 15.1: Supported
  3. 15.2: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4: Not supported
  2. 4.1 - 4.4.4: Partial support
  3. 97: Supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 64: Supported

Chrome for Android

  1. 97: Supported

Firefox for Android

  1. 95: Supported

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4 - 15.0: Supported
  2. 16.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Supported

KaiOS Browser

  1. 2.5: Supported
Resources:
New number and Math features in ES6
Polyfill for those features is available in the core-js library