This is a test of the 'length' attribute and the indexed property access of the SVGPathSegList interface. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". Test list length/numberOfItems PASS path1.pathSegList.length is 3 PASS path1.pathSegList.numberOfItems is 3 PASS path2.pathSegList.length is 5 PASS path2.pathSegList.numberOfItems is 5 Test item getter PASS path1.pathSegList[0].toString() is "[object SVGPathSegMovetoAbs]" PASS path1.pathSegList[0].x is 0 PASS path1.pathSegList[0].y is 0 PASS path1.pathSegList[1].toString() is "[object SVGPathSegLinetoAbs]" PASS path1.pathSegList[1].x is 100 PASS path1.pathSegList[1].y is 0 PASS path1.pathSegList[2].toString() is "[object SVGPathSegLinetoAbs]" PASS path1.pathSegList[2].x is 100 PASS path1.pathSegList[2].y is 100 PASS path1.pathSegList[3] is undefined. PASS path2.pathSegList[0].toString() is "[object SVGPathSegMovetoAbs]" PASS path2.pathSegList[0].x is 0 PASS path2.pathSegList[0].y is 0 PASS path2.pathSegList[1].toString() is "[object SVGPathSegLinetoAbs]" PASS path2.pathSegList[1].x is 50 PASS path2.pathSegList[1].y is 100 PASS path2.pathSegList[2].toString() is "[object SVGPathSegLinetoHorizontalRel]" PASS path2.pathSegList[2].x is 100 PASS path2.pathSegList[3].toString() is "[object SVGPathSegLinetoHorizontalRel]" PASS path2.pathSegList[3].x is 100 PASS path2.pathSegList[4].toString() is "[object SVGPathSegLinetoVerticalRel]" PASS path2.pathSegList[4].y is 100 PASS path2.pathSegList[5] is undefined. Test item setter PASS path1.pathSegList[2] = pathSeg1 is pathSeg1 PASS path1.pathSegList[2].toString() is "[object SVGPathSegLinetoAbs]" PASS path1.pathSegList[2].x is 50 PASS path1.pathSegList[2].y is 50 PASS path1.pathSegList[2] = 0 threw exception TypeError: Type error. PASS path1.pathSegList[2] = 'aString' threw exception TypeError: Type error. PASS path1.pathSegList[2] = null threw exception TypeError: Type error. PASS path2.pathSegList[4] = pathSeg2 is pathSeg2 PASS path2.pathSegList[4].toString() is "[object SVGPathSegLinetoVerticalAbs]" PASS path2.pathSegList[4].y is 50 PASS path2.pathSegList[4] = 0 threw exception TypeError: Type error. PASS path2.pathSegList[4] = 'aString' threw exception TypeError: Type error. PASS path2.pathSegList[4] = null threw exception TypeError: Type error. PASS successfullyParsed is true TEST COMPLETE