1. DomName('SVGLengthList.appendItem')
  2. DocsEditable()
Length appendItem(Length item)

Source 

@DomName('SVGLengthList.appendItem')
@DocsEditable()
Length appendItem(Length item) => wrap_jso(_blink.BlinkSVGLengthList.instance.appendItem_Callback_1_(unwrap_jso(this), unwrap_jso(item)));