interactivityLimited availability
The interactivity: inert CSS declaration makes an element and its descendants inert, like when using the inert HTML attribute. Inert elements can't be focused or clicked, their text can't be selected or found using the browser's find-in-page feature.
Not yet supported in all major browsers — check the table and provide a fallback.
Browser support
DesktopChrome
1–134Not supported
135+Supportedsince Apr 1, 2025
Current: 155Edge
12–134Not supported
135+Supportedsince Apr 4, 2025
Current: 154Firefox
✕Not supportedup to 157
Current: 157Safari
✕Not supportedup to 27
Current: 27MobileChrome Android
18–134Not supported
135+Supportedsince Apr 1, 2025
Current: 155Firefox Android
✕Not supportedup to 157
Current: 157Safari iOS
✕Not supportedup to 27
Current: 27How to use
Not supported in Firefox, Safari, Firefox Android, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.
Example
Full syntax and examples are on MDN: interactivity.
Feature detection
CSS · check before using
@supports (interactivity: initial) {
/* styles that rely on interactivity */
}
/* or in JavaScript */
if (CSS.supports("interactivity", "initial")) {
// 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 |
|---|---|---|---|---|---|---|---|
| interactivity | 135 | 135 | ✕ | ✕ | 135 | ✕ | ✕ |
| interactivity.auto | 135 | 135 | ✕ | ✕ | 135 | ✕ | ✕ |
| interactivity.inert | 135 | 135 | ✕ | ✕ | 135 | ✕ | ✕ |