{"ScriptPreparationCode":"var sampleArr1 = new Array(50000).fill(\u0027a\u0027)\r\nvar sampleArr2 = new Array(50000).fill(\u0027b\u0027)","TestCases":[{"Name":"Concat","Code":"var resultArr = sampleArr1.concat(sampleArr2)","IsDeferred":false},{"Name":"Spread","Code":"var resultArr = [...sampleArr1, ...sampleArr2]","IsDeferred":false}]}