This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The CSSKeyframeRule interface describes an object representing a set of style for a given keyframe. It corresponds to the contains of a single keyframe of a @keyframes at-rule. It implements the CSSRule interface with a type value of 8 (CSSRule.KEYFRAME_RULE).
Properties
As a CSSRule, CSSKeyframeRule also implements the properties of these interfaces. It has two specific properties:
CSSKeyframe.keyText- Represents the key of the keyframe, like
'10%','75%'. Thefromkeyword maps to'0%'and thetokeyword maps to'100%'. CSSKeyframe.styleRead only- Returns a
CSSStyleDeclarationof the CSS style associated with the keyfrom.
Methods
As a CSSRule, CSSKeyframeRule also implements the methods of that interface. It has no specific methods.
Specification
| Specification | Status | Comment |
|---|---|---|
| CSS Animations The definition of 'CSSKeyframeRule' in that specification. |
Working Draft | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic support | Chrome Full support Yes | Edge Full support Yes | Firefox
Full support
48
| IE Full support 10 | Opera
Full support
12
| Safari Full support 4 | WebView Android Full support 45 | Chrome Android Full support 45 | Edge Mobile Full support Yes | Firefox Android
Full support
48
| Opera Android ? | Safari iOS ? | Samsung Internet Android ? |
keyText | Chrome Full support Yes | Edge Full support Yes | Firefox Full support 48 | IE Full support 10 | Opera Full support 12 | Safari Full support 4 | WebView Android Full support 45 | Chrome Android Full support 45 | Edge Mobile Full support Yes | Firefox Android Full support Yes | Opera Android ? | Safari iOS ? | Samsung Internet Android ? |
style | Chrome Full support Yes | Edge Full support Yes | Firefox Full support 48 | IE Full support 10 | Opera Full support 12 | Safari Full support 4 | WebView Android Full support 45 | Chrome Android Full support 45 | Edge Mobile Full support Yes | Firefox Android Full support Yes | Opera Android ? | Safari iOS ? | Samsung Internet Android ? |
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- Requires a vendor prefix or different name for use.
- Requires a vendor prefix or different name for use.