{"ScriptPreparationCode":"var array = (new Array(10000)).fill(null).map((el, index) =\u003E index);","TestCases":[{"Name":"arrayUnshift123","Code":"array.unshift(0);","IsDeferred":false},{"Name":"arrayConcat123","Code":"array = array.concat([0])","IsDeferred":false},{"Name":"arraySpread123","Code":"array = [0, ...array]","IsDeferred":false}]}