Can I use
?

sibling-count() and sibling-index()

Edge

  1. ❌ 12 - 137: Not supported
  2. ✅ 138 - 145: Supported
  3. ✅ 146: Supported

Firefox

  1. ❌ 2 - 148: Not supported
  2. ❌ 149: Not supported
  3. ❌ 150 - 152: Not supported

Chrome

  1. ❌ 4 - 137: Not supported
  2. ✅ 138 - 146: Supported
  3. ✅ 147: Supported
  4. ✅ 148 - 150: Supported

Safari

  1. ❌ 3.1 - 26.1: Not supported
  2. ✅ 26.2 - 26.3: Supported
  3. ✅ 26.4: Supported
  4. ✅ 26.5 - TP: Supported

Opera

  1. ﹖ 10 - 12.1: Support unknown
  2. ❌ 15 - 121: Not supported
  3. ✅ 122 - 126: Supported
  4. ✅ 127: Supported

Safari on iOS

  1. ❌ 3.2 - 26.1: Not supported
  2. ✅ 26.2 - 26.3: Supported
  3. ✅ 26.4: Supported
  4. ✅ 26.5: Supported

Android Browser

  1. ﹖ 2.1 - 4.4.4: Support unknown
  2. ✅ 147: Supported

Opera Mobile

  1. ﹖ 12 - 12.1: Support unknown
  2. ❌ 80: Not supported

Chrome for Android

  1. ✅ 147: Supported

Firefox for Android

  1. ❌ 149: Not supported