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CSSKeyframesRule: findRule() method - Web APIs

CSSKeyframesRule: findRule() method

Baseline Widely available

The findRule() method of the CSSKeyframeRule interface finds the CSSKeyFrameRule that matches the specified keyframe selector.

Syntax Parameters
select

A string which contains the keyframe selector of the rule to be found, which must be:

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.

@keyframes slide-in {
  from {
    transform: translateX(0%);
  }

  to {
    transform: translateX(100%);
  }
}
let myRules = document.styleSheets[0].cssRules;
let keyframes = myRules[0]; // a CSSKeyframesRule
console.log(keyframes.findRule("to")); // a CSSKeyframeRule object
Specifications Browser compatibility

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