{"ScriptPreparationCode":"var obj = { a: 1, b: 2, c: 3, d: 4, e: 5 };\r\nvar undef;\r\n\r\nfunction isDefined (o) {\r\n return typeof o !== \u0022undefined\u0022;\r\n}\r\n\r\nconst isDefined2 = (o) =\u003E {\r\n return typeof o !== \u0022undefined\u0022;\r\n}\r\n\r\nconst isDefined3 = (o) =\u003E typeof o !== \u0022undefined\u0022;\r\n\r\n\r\nconst Sys = {\r\n\tisDefined (o) {\r\n \treturn typeof o !== \u0022undefined\u0022;\r\n\t}\r\n\r\n}","TestCases":[{"Name":"undefined","Code":"undefined !== obj.d;","IsDeferred":false},{"Name":"typeof","Code":"\u0027undefined\u0027 !== typeof obj.d;","IsDeferred":false},{"Name":"in","Code":"\u0027d\u0027 in obj;","IsDeferred":false},{"Name":"hasOwnProperty","Code":"obj.hasOwnProperty( \u0027d\u0027 );","IsDeferred":false},{"Name":"truthy","Code":"!! obj.d;","IsDeferred":false},{"Name":"local undef","Code":"undef !== obj.d;","IsDeferred":false},{"Name":"isDefined","Code":"isDefined(obj.d)","IsDeferred":false}]}