CSSKeyframesRule: findRule() method
The findRule()
method of the CSSKeyframeRule
interface finds the CSSKeyFrameRule
that matches the specified keyframe selector.
Syntax
js
findRule(select)
Parameters
select
-
A string which contains the keyframe selector of the rule to be found, which must be:
- a comma-separated list of percentage values between 0% and 100%;
- or, the keywords
from
orto
Note that the number and order of the values in the specified keyframe selector must match those of the targeted keyframe rule(s). White-space is disregarded.
Return value
A CSSKeyframeRule
which is the last matching rule. If no rules are found, nothing is returned.
Examples
The CSS includes a keyframes at-rule. This will be the first CSSRule
returned by document.styleSheets[0].cssRules
.
myRules[0]
returns a CSSKeyframesRule
object. Calling findRule("to") returns a CSSKeyframeRule
representing the second rule.
css
@keyframes slidein {
from {
transform: translateX(0%);
}
to {
transform: translateX(100%);
}
}
js
let myRules = document.styleSheets[0].cssRules;
let keyframes = myRules[0]; // a CSSKeyframesRule
console.log(keyframes.findRule("to")); // a CSSKeyframeRule object
Specifications
Specification |
---|
CSS Animations Level 1 # interface-csskeyframesrule-findrule |
Browser compatibility
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