{"ScriptPreparationCode":"var array = Array.from(Array(1000).keys());","TestCases":[{"Name":"Spread operator","Code":"array.reduce((acc, number) =\u003E ({ ...acc, [number]: null }), {});","IsDeferred":false},{"Name":"Mutate accumulator","Code":"array.reduce((acc, number) =\u003E { acc[number] = null; return acc; }, {});","IsDeferred":false}]}