{"ScriptPreparationCode":"const ARRAY_LEN = 100000;\r\nvar array1 = Array(ARRAY_LEN, \u0027fill\u0027);\r\nvar array2 = Array(ARRAY_LEN, \u0027fill\u0027);","TestCases":[{"Name":"Array.prototype.concat","Code":"array1 = array1.concat(array2);","IsDeferred":false},{"Name":"spread operator","Code":"array1 = [ ...array1, ...array2 ]","IsDeferred":false},{"Name":"Array.prototype.push","Code":"array1.push(...array2);","IsDeferred":false}]}