Selection API

- WD

API for accessing selected content of a document, including the window.getSelection() method, as well as the selectstart & selectionchange events on document.

IE

  1. 5.5: Support unknown
  2. 6 - 8: Partial support
  3. 9 - 10: Supported
  4. 11: Supported

Edge

  1. 12 - 85: Supported
  2. 86: Supported

Firefox

  1. 2 - 42: Partial support
  2. 43 - 51: Partial support
  3. 52 - 80: Supported
  4. 81: Supported
  5. 82 - 83: Supported

Chrome

  1. 4 - 14: Support unknown
  2. 15 - 85: Supported
  3. 86: Supported
  4. 87 - 89: Supported

Safari

  1. 3.1 - 5: Support unknown
  2. 5.1 - 13.1: Supported
  3. 14: Supported
  4. TP: Supported

Opera

  1. 9 - 12.1: Partial support
  2. 15 - 70: Supported
  3. 71: Supported

iOS Safari

  1. 3.2 - 4.1: Partial support
  2. 4.2: Support unknown
  3. 5 - 13.7: Partial support
  4. 14: Partial support

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.1: Support unknown
  2. 4.2: Supported
  3. 4.4 - 4.4.4: Supported
  4. 81: Supported

Blackberry Browser

  1. 7: Support unknown
  2. 10: Supported

Opera Mobile

  1. 10 - 12: Support unknown
  2. 12.1: Partial support
  3. 59: Supported

Chrome for Android

  1. 85: Supported

Firefox for Android

  1. 79: Supported

IE Mobile

  1. 10: Support unknown
  2. 11: Supported

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4 - 11.2: Supported
  2. 12.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Supported

KaiOS Browser

  1. 2.5: Partial support

See also support for the related DOM range

Resources:
Firefox support bug