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SVG animated preserveAspectRatio interface

The SVGAnimatedPreserveAspectRatio interface is used for attributes of type SVGPreserveAspectRatio which can be animated.

Interface overview

Also implement None
Methods None
  • readonly float baseVal
  • readonly float animVal
Normative document SVG 1.1 (2nd Edition)


Name Type Description
baseVal float The base value of the given attribute before applying any animations.
animVal float A read only SVGPreserveAspectRatio representing the current animated value of the given attribute. If the given attribute is not currently being animated, then the SVGPreserveAspectRatio will have the same contents as baseVal. The object referenced by animVal is always distinct from the one referenced by baseVal, even when the attribute is not animated.


The SVGAnimatedPreserveAspectRatio interface do not provide any specific methods.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support ? ? ? ? ?
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? ? ? ?



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