ReadonlyanimThe animVal read-only property of the SVGAnimatedNumberList interface represents the current animated value of an animatable attribute that accepts a list of <number> values.
ReadonlybaseThe baseVal read-only property of the SVGAnimatedNumberList interface represents the base (non-animated) value of an animatable attribute that accepts a list of <number> values.
The
SVGAnimatedNumberListinterface represents a list of attributes of type <number> which can be animated.MDN Reference