:nth-child() of <selector>Baseline · Widely available

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.

Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since May 9, 2023. Widely available since Nov 9, 2025.

How to use ↓Compare browsers

Browser support

DesktopChrome

1–110Not supported

111+Supportedsince Mar 7, 2023

Current: 155

Edge

12–110Not supported

111+Supportedsince Mar 13, 2023

Current: 154

Firefox

1–112Not supported

113+Supportedsince May 9, 2023

Current: 157

Safari

1–8Not supported

9+Supportedsince Sep 30, 2015

Current: 27

MobileChrome Android

18–110Not supported

111+Supportedsince Mar 7, 2023

Current: 155

Firefox Android

4–112Not supported

113+Supportedsince May 9, 2023

Current: 157

Safari iOS

1–8Not supported

9+Supportedsince Sep 16, 2015

Current: 27

How to use

This feature is Baseline widely available — use it freely, no fallback needed.

Example

Full syntax and examples are on MDN — see the links below.

Feature detection

CSS · check before using

@supports selector(:nth-child(*)) {
  /* styles that use :nth-child(*) */
}

/* or in JavaScript */
if (CSS.supports("selector(:nth-child(*))")) {
  // use it
}

Specification

Usage share

caniuse.com/css-nth-child-of ↗

Sub-features

Support for each part of the feature (2). The overall table above shows when the whole feature works.

Sub-feature	Chrome	Edge	Firefox	Safari	Chrome Android	Firefox Android	Safari iOS
nth-child.of_syntax	111	111	113	9	111	113	9
nth-last-child.of_syntax	111	111	113	9	111	113	9