This will be active if the animation has been removed, or persisted if persist() has been invoked.īlinking and flashing animation can be problematic for people with cognitive concerns such as Attention Deficit Hyperactivity Disorder (ADHD). animation.replaceState to return the replace state of the animation.animation.persist() for when you explicitly want an animation to be retained.The remove event on the Animation interface fires when the animation is removed (i.e., put into an active replace state).mitStyles() for committing the end styling state of an animation to the element being animated, even after that animation has been removed.You can see this in action in our simple replace indefinite animations demo. For this reason, modern browsers have implemented the part of the Web Animations spec that automatically removes overriding forward filling animations, unless the developer explicitly specifies to keep them. If they are indefinite (i.e., forwards-filling), this can result in a huge animations list, which could create a memory leak. It is possible to trigger a large number of animations on the same element. Sets the speed of an animation after first synchronizing its playback position. If the animation is finished or unplayed, it will play from end to beginning. Reverses playback direction, stopping at the start of the animation. Starts or resumes playing of an animation, or begins the animation again if it previously finished. animation.persist()Įxplicitly persists an animation, when it would otherwise be removed due to the browser's Automatically removing filling animations behavior. Seeks either end of an animation, depending on whether the animation is playing or reversing. It will cause the end styling state to be written to the element being animated, in the form of properties inside a style attribute. mitStyles()Ĭommits the end styling state of an animation to the element being animated, even after that animation has been removed. MethodsĬlears all keyframeEffects caused by this animation and aborts its playback. Gets or sets the timeline associated with this animation. Gets or sets the scheduled time when an animation's playback should begin. This will be active if the animation has been replaced, or persisted if Animation.persist() has been invoked on it. Returns the replace state of the animation. Returns the current ready Promise for this animation. Gets or sets the playback rate of the animation. Returns an enumerated value describing the playback state of an animation. Indicates whether the animation is currently waiting for an asynchronous operation such as initiating playback or pausing a running animation. Gets and sets the String used to identify the animation. Returns the current finished Promise for this animation. This will usually be a KeyframeEffect object. Gets and sets the AnimationEffect associated with this animation. If the animation lacks a timeline, is inactive or hasn't been played yet, its value is null. The current time value of the animation in milliseconds, whether running or paused.
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