{"ScriptPreparationCode":null,"TestCases":[{"Name":"undefined","Code":"var obj = {};\r\n\r\nfor(var i = 0; i \u003C 1000;i\u002B\u002B) {\r\n\tobj[\u0027a\u0027 \u002B i] = i;\r\n}\r\n\r\nfor(var i = 0; i \u003C 1000;i\u002B\u002B) {\r\n obj[\u0027a\u0027 \u002B i] = undefined;\r\n}","IsDeferred":false},{"Name":"delete","Code":"var obj = {};\r\n\r\nfor(var i = 0; i \u003C 1000;i\u002B\u002B) {\r\n\tobj[\u0027a\u0027 \u002B i] = i;\r\n}\r\n\r\nfor(var i = 0; i \u003C 1000;i\u002B\u002B) {\r\n delete obj[\u0027a\u0027 \u002B i];\r\n}","IsDeferred":false}]}