{"ScriptPreparationCode":"var arr1 = [];\r\nvar arr2 = [];\r\nfor(let i = 0; i \u003C 100000; i\u002B\u002B) {\r\n arr1[i] = i;\r\n arr2[i] = i;\r\n}","TestCases":[{"Name":"Delete array element","Code":"for(let i = 0; i \u003C 100000; i\u002B\u002B) {\r\n delete arr1[i];\r\n}","IsDeferred":false},{"Name":"Set array element to undefined","Code":"for(let i = 0; i \u003C 100000; i\u002B\u002B) {\r\n arr2[i] = undefined;\r\n}","IsDeferred":false}]}