{"ScriptPreparationCode":"var arr = Array(10000).fill({a: Math.random(), b: Math.random()});","TestCases":[{"Name":"reduce","Code":"const length = arr.length;\r\narr.reduce((acc, item, i) =\u003E {\r\n acc[arr.length - i] = {...item};\r\n return acc;\r\n}, []);","IsDeferred":false},{"Name":"map/revers","Code":"arr.map(o =\u003E ({...o})).reverse()","IsDeferred":false}]}