https://help.syncfusion.com/cr/aspnetmvc-js2/Syncfusion.EJ2.SplitButtons.AnimationEffect.html
Class AnimationEffect - ASP.NETMVC-EJ2 API Reference | Syncfusion
Defines the animation effect of progress button.
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https://developer.mozilla.org/en-US/docs/Web/API/AnimationEffect/updateTiming
AnimationEffect: updateTiming() method - Web APIs | MDN
The updateTiming() method of the AnimationEffect interface updates the specified timing properties for an animation effect.
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