question: to implement org.w3c.dom.svg.svglocatable #getfarthestviewportelement . concode_field_sep PlaceHolder placeHolder concode_field_sep SVGRect getBBox concode_elem_sep SVGElement getNearestViewportElement concode_elem_sep SVGMatrix getScreenCTM concode_elem_sep SVGMatrix getCTM concode_elem_sep SVGMatrix getTransformToElement
target: SVGElement function ( Element arg0 ) { return ( SVGElement ) arg0 . getOwnerDocument ( ) . getDocumentElement ( ) ; }