:nth-child() of <selector>
The of syntax for the :nth-child() and :nth-last-child() CSS functional pseudo-classes match elements by the relative position of elements, counted from the first or last sibling matching a selector list.
Status
Baseline Newly Available (since 2023-05-09)
This feature is expected to reach Baseline Widely Available status on: 2025-11-09
MDN documentation
Specifications
Browser support (view on caniuse.com)
- Chrome 111 Released on 2023-03-07
- Chrome Android 111 Released on 2023-03-07
- Edge 111 Released on 2023-03-13
- Firefox 113 Released on 2023-05-09
- Firefox for Android 113 Released on 2023-05-09
- Safari 9 Released on 2015-09-30
- Safari on iOS 9 Released on 2015-09-16
Developer signals
- State of CSS 2025: reading_list/reading_list question
- State of CSS 2025: features/all_features question
- State of CSS 2024: reading_list/reading_list question
- State of CSS 2024: features/all_features question
Usage (according to Chrome Platform Status)
~6.613% of page loads. More data at chromestatus.
Interop
- Included in Interop 2023
Web Platform Tests (WPT)
View the latest WPT test results for this featureView as JSON | Edit this feature | Report an issue | Web-features entry: source, dist