{"ScriptPreparationCode":"const arr = Array.from({length: 10_000}, (_,index) =\u003E [index, index \u002B 1, index \u002B 2, index \u002B 3, index \u002B 4]);","TestCases":[{"Name":"flatMap","Code":"arr.flatMap((item) =\u003E item);","IsDeferred":false},{"Name":"flat","Code":"arr.flat();","IsDeferred":false}]}