{"ScriptPreparationCode":"o = Object.create(null)\r\no.foo = \u0027bar\u0027\r\no.baz = \u0027qux\u0027","TestCases":[{"Name":"using in ","Code":"if (\u0027bar\u0027 in o) return true;","IsDeferred":false},{"Name":"using hasOwnProperty call","Code":"Object.prototype.hasOwnProperty.call(o, \u0027bar\u0027)","IsDeferred":false}]}