This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.


The Animation.effect property of the Web Animations API gets and sets the target effect of an animation. The target effect may be either a KeyframeEffect object or null.


// Get an Animation object's target effect
var effect = animation.effect;

// Set an Animation's target effect
animation.effect = new KeyframeEffect({ opacity: [ 1, 0 ] }, 300);


A KeyframeEffect object or null.

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

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support No support No support No support No support No support
Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support No support No support No support No support No support


See also


© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.

Animation API effect Experimental Property Reference waapi web animations api