:lang()Baseline · Widely available
The :lang() CSS functional pseudo-class matches elements based on their content language.
Supported in all major browsers for at least 30 months — safe to use without fallbacks. Baseline since Jul 29, 2015. Widely available since Jan 29, 2018.
Browser support
DesktopChrome
1+Supportedsince Dec 11, 2008
Current: 155Edge
12+Supportedsince Jul 29, 2015
Current: 154Firefox
1+Supportedsince Nov 9, 2004
Current: 157Safari
1–3Not supported
3.1+Supportedsince Mar 18, 2008
Current: 27MobileChrome Android
18+Supportedsince Jun 27, 2012
Current: 155Firefox Android
4+Supportedsince Mar 29, 2011
Current: 157Safari iOS
1–1Not supported
2+Supportedsince Jul 11, 2008
Current: 27How to use
This feature is Baseline widely available — use it freely, no fallback needed.
Example
Full syntax and examples are on MDN: :lang.
Feature detection
CSS · check before using
@supports selector(:lang(*)) {
/* styles that use :lang(*) */
}
/* or in JavaScript */
if (CSS.supports("selector(:lang(*))")) {
// use it
}Documentation (MDN)
Specification
Sub-features
Support for each part of the feature (3). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| lang | 1 | 12 | 1 | 3.1 | 18 | 4 | 2 |
| lang.argument_list | ✕ | ✕ | 114 | 9 | ✕ | 114 | 9 |
| lang.wildcards | ✕ | ✕ | 114 | 9 | ✕ | 114 | 9 |