The setKeyframes() method of the KeyframeEffect interface replaces the keyframes that make up the affected KeyframeEffect with a new set of keyframes.
setKeyframes(keyframes)keyframesA keyframe object or null. If set to null, the keyframes are replaced with a sequence of empty keyframes.
More information about a keyframe object's format.
None (undefined).
| Exception | Explanation |
|---|---|
TypeError | One or more of the frames were not of the correct type of object, the keyframes were not loosely sorted by offset, or a keyframe existed with an offset of less than 0 or more than 1. |
Note: If the keyframes cannot be processed or are malformed, the KeyframeEffect's keyframes are not modified.
// passing an array of keyframe objects
existingKeyframeEffect.setKeyframes([
{ color: "blue" },
{ color: "green", left: "10px" },
]);
// passing an object with arrays for values
existingKeyframeEffect.setKeyframes({
color: ["blue", "green"],
left: ["0", "10px"],
});
// passing a single-member object
existingKeyframeEffect.setKeyframes({
color: "blue",
});