SVGGraphicsElement - Web APIs
svggraphicselement.getctm() returns a dommatrix representing the matrix that transforms the current element's coordinate system to its svg viewport's coordinate system.

SVG 2 support in Mozilla - SVG: Scalable Vector Graphics
0c) in whitespace implementation status unknown svgelement.xmlbase, svgelement.xmllang and svgelement.xmlspace removed implementation status unknown svgviewspec removed implementation status unknown svgelement.style removed implementation status unknown svggraphicselement.gettransformtoelement() removed not removed yet svggraphicselement.getctm() on the outermost element implementation status unknown animval attribute alias of baseval implementation status unknown dataset attribute for svgelement implementation status unknown moved pathlength attribute and gettotallength() and getpointatlength() methods from svgpathelement to svggeometryelement implemented (bug 1239100) document structure ...