{"ScriptPreparationCode":"var array1 = [...Array(1000).keys()]\r\nvar array2 = array1.map(i =\u003E i * 10) ","TestCases":[{"Name":"Array.prototype.concat","Code":"const result = array1.concat(array2);","IsDeferred":false},{"Name":"spread operator","Code":"const result = [ ...array1, ...array2 ]","IsDeferred":false},{"Name":"Push","Code":"const result = array1.push(...array2);","IsDeferred":false}]}