The iterationComposite property of a KeyframeEffect resolves how the animation's property value changes accumulate or override each other upon each of the animation's iterations.
The iterationComposite property of a KeyframeEffect resolves how the animation's property value changes accumulate or override each other upon each of the animation's iterations.
One of the following:
replaceThe keyframeEffect value produced is independent of the current iteration.
accumulateSubsequent iterations of the keyframeEffect build on the final value of the previous iteration.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
iterationComposite | 
No | No | 80 | No | No | 16.4 | No | No | 80 | No | 16.4 | No | 
KeyframeEffect objects.
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    https://developer.mozilla.org/en-US/docs/Web/API/KeyframeEffect/iterationComposite