{"ScriptPreparationCode":"var arr1 = Array(10_000).fill({test: \u0027test\u0027})\r\nvar arr2 = Array(11_000).fill({test: \u0027test\u0027})\r\nvar arr3 = [arr1, arr2]","TestCases":[{"Name":"reduce with concat","Code":"arr3.reduce((acc, x) =\u003E [...acc, ...x], [])","IsDeferred":false},{"Name":"flatMap","Code":"arr3.flatMap(x =\u003E [...x])","IsDeferred":false}]}