{"ScriptPreparationCode":null,"TestCases":[{"Name":"= null","Code":"for (let i = 0; i \u003C 1000; i\u002B\u002B) {\r\n\tconst a = {b: 200}\r\n a.b = null\r\n}","IsDeferred":false},{"Name":"delete","Code":"for (let i = 0; i \u003C 1000; i\u002B\u002B) {\r\n\tconst a = {b: 200}\r\n delete a.b\r\n}","IsDeferred":false}]}