The AnimationEvent.animationName read-only property is a string containing the value of the animation-name CSS property associated with the transition.
A string containing the value of the animation-name CSS property.
animation, animation-delay, animation-direction, animation-duration, animation-fill-mode, animation-iteration-count, animation-name, animation-play-state, animation-timing-function, @keyframes.AnimationEvent interface it belongs to.