SVG 1.1 dynamic update tests Tests dynamic updates of the 'in' attribute of the SVGFEDropShadowElement object On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS dropShadowElement.getAttribute('in') is "SourceAlpha" PASS dropShadowElement.getAttribute('in') is "SourceGraphic" PASS successfullyParsed is true TEST COMPLETE