{"ScriptPreparationCode":"var name = \u0027f\u0027\r\nvar obj = { a: 1, b: 2, c: 3, d: 4, e: 5 };","TestCases":[{"Name":"undefined","Code":"undefined === obj[name];","IsDeferred":false},{"Name":"typeof","Code":"!obj[name]","IsDeferred":false},{"Name":"in","Code":"name in obj","IsDeferred":false},{"Name":"hasOwnProperty","Code":"obj.hasOwnProperty(name);","IsDeferred":false}]}