{"ScriptPreparationCode":null,"TestCases":[{"Name":"null","Code":"\r\n\r\nfor(let i = 0; i \u003C 1000;i\u002B\u002B) {\r\n let a = {\r\n a: 999,\r\n b: 3000\r\n }\r\n a.a = null;\r\n a.b = null;\r\n}","IsDeferred":false},{"Name":"undefined","Code":"\r\n\r\nfor(var i = 0; i \u003C 1000;i\u002B\u002B) {\r\n let a = {\r\n a: 999,\r\n b: 3000\r\n }\r\n a.a = undefined;\r\n a.b = undefined;\r\n}","IsDeferred":false},{"Name":"delete","Code":"\r\n\r\nfor(var i = 0; i \u003C 1000;i\u002B\u002B) {\r\n let a = {\r\n a: 999,\r\n b: 3000\r\n }\r\n delete a.a;\r\n delete a.b;\r\n}","IsDeferred":false}]}