1. DomName('SVGAnimationElement.getSimpleDuration')
  2. DocsEditable()
num getSimpleDuration()

Source 

@DomName('SVGAnimationElement.getSimpleDuration')
@DocsEditable()
num getSimpleDuration() => _blink.BlinkSVGAnimationElement.instance.getSimpleDuration_Callback_0_(this);