Readonly
animThe animVal
read-only property of the SVGAnimatedBoolean interface represents the current animated value of the associated animatable boolean SVG attribute.
The baseVal
property of the SVGAnimatedBoolean interface is the value of the associated animatable boolean SVG attribute in its base (none-animated) state.
The
SVGAnimatedBoolean
interface is used for attributes of type boolean which can be animated.MDN Reference