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KeyframeEffect.iterationComposite

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The iterationComposite property of a KeyframeEffect resolves how the the animation's property value changes accumulate or override each other upon each of the animation's iterations.

Syntax

// getting
var iterationCompositeEnumeration = keyframeEffect.iterationComposite;

// setting
keyframeEffect.iterationComposite = 'replace';

Values

replace: The keyframeEffect value produced is independent of the current iteration.
accumulate: Subsequent iterations of the keyframeEffect build on the final value of the previous iteration.

Specifications

Specification	Status	Comment
Web Animations The definition of 'KeyframeEffect.iterationComposite' in that specification.	Working Draft	Editor's draft.

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	?	?	63 Disabled 63 Disabled Disabled From version 63: this feature is behind the `dom.animations-api.compositing.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	?	?	?

	Mobile
	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	iOS Safari	Samsung Internet
Basic support	?	?	?	63 Disabled 63 Disabled Disabled From version 63: this feature is behind the `dom.animations-api.compositing.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	?	?	?

KeyframeEffect.iterationComposite

Syntax

Values

Specifications

Browser compatibilityUpdate compatibility data on GitHub

See also