{"ScriptPreparationCode":"var arr = Array.from({ length: 1000 }, (_, i) =\u003E i)","TestCases":[{"Name":"Set","Code":"const set = new Set(arr)\r\narr.map((item) =\u003E set.has(item))","IsDeferred":false},{"Name":"Manual","Code":"arr.map((item1) =\u003E {\r\n arr.some((item2) =\u003E item1 === item2)\r\n})","IsDeferred":false}]}