{"ScriptPreparationCode":null,"TestCases":[{"Name":"case 1","Code":"const obj = { 2: true, 7: true }\r\nif (obj[3]) { \r\n\r\n}\r\nobj[3] = true;","IsDeferred":false},{"Name":"case 2","Code":"const obj = { 2: true, 7: true }\r\nif (typeof obj[3] !== \u0027undefined\u0027) {\r\n\r\n}\r\nobj[3] = true;","IsDeferred":false},{"Name":"case 3","Code":"const obj = { 2: true, 7: true }\r\nif (obj[3] !== undefined) {\r\n\r\n}\r\nobj[3] = true;","IsDeferred":false}]}