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Reversed attribute of ordered lists

- LS

This attribute makes an ordered list number its items in descending order (large to small), instead of ascending order (small to large; the default). The order that the list items are displayed in is not affected.

Chrome

  1. ❌ 4 - 15: Not supported
  2. ﹖ 16 - 19: Support unknown
  3. ✅ 20 - 142: Supported
  4. ✅ 143: Supported
  5. ✅ 144 - 146: Supported

Edge

  1. ❌ 12 - 18: Not supported
  2. ✅ 79 - 142: Supported
  3. ✅ 143: Supported

Safari

  1. ❌ 3.1 - 5.1: Not supported
  2. ﹖ 6: Support unknown
  3. ✅ 6.1 - 26.1: Supported
  4. ✅ 26.2: Supported
  5. ✅ TP: Supported

Firefox

  1. ❌ 2 - 17: Not supported
  2. ✅ 18 - 144: Supported
  3. ✅ 145: Supported
  4. ✅ 146 - 148: Supported

Opera

  1. ❌ 9 - 11.6: Not supported
  2. ﹖ 12: Support unknown
  3. ✅ 12.1 - 121: Supported
  4. ✅ 122: Supported

IE

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

Chrome for Android

  1. ✅ 142: Supported

Safari on iOS

  1. ❌ 3.2 - 5.1: Not supported
  2. ✅ 6 - 18.7: Supported
  3. ✅ 26.0: Supported
  4. ✅ 26.1: Supported

Samsung Internet

  1. ✅ 4 - 28: Supported
  2. ✅ 29: Supported

Opera Mini

  1. ✅ all: 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 - 4.3: Not supported
  2. ✅ 4.4 - 4.4.4: Supported
  3. ✅ 142: Supported

Firefox for Android

  1. ✅ 144: Supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ✅ 2.5: Supported
  2. ✅ 3: Supported
Resources:
HTML5 Doctor article on <ol> element attributes (including reversed)