cubic-bezier() easingBaseline · Widely available
The cubic-bezier() CSS easing function interpolates along a smooth curve, creating animations and transitions with continuous changes in speed. The ease, ease-in, ease-out, and ease-in-out keyword values are presets for common Bézier curves.
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
1–15Not supported
16+Supportedsince Dec 13, 2011
Current: 155Edge
12+Supportedsince Jul 29, 2015
Current: 154Firefox
1–3.6Not supported
4+Supportedsince Mar 22, 2011
Current: 157Safari
1–5.1Not supported
6+Supportedsince Jul 25, 2012
Current: 27MobileChrome Android
18+Supportedsince Jun 27, 2012
Current: 155Firefox Android
4+Supportedsince Mar 29, 2011
Current: 157Safari iOS
1–5Not supported
6+Supportedsince Sep 10, 2012
Current: 27How to use
This feature is Baseline widely available — use it freely, no fallback needed.
Example
Full syntax and examples are on MDN: easing-function.
Feature detection
There’s no simple runtime check for this feature; rely on the support table and test in your target browsers.
Documentation (MDN)
Specification
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 |
|---|---|---|---|---|---|---|---|
| <easing-function> | 4 | 12 | 4 | 3.1 | 18 | 4 | 2 |
| <easing-function>.cubic-bezier | 16 | 12 | 4 | 6 | 18 | 4 | 6 |