{"ScriptPreparationCode":"var obj = {a:1, b:2, c:3, d:4};","TestCases":[{"Name":"Delete","Code":"delete obj.a;\r\ndelete obj.b;\r\ndelete obj.c;\r\ndelete obj.d;","IsDeferred":false},{"Name":"Set undefined","Code":"obj.a = undefined;\r\nobj.b = undefined;\r\nobj.c = undefined;\r\nobj.d = undefined;","IsDeferred":false}]}