{"ScriptPreparationCode":"var arr1 = [];\r\nvar arr2 = [];\r\nfor (var i=0; i\u003C1000; i\u002B\u002B){\r\n arr1.push(i);\r\n arr2.push(i);\r\n}\r\n","TestCases":[{"Name":"Concat","Code":"arr1.concat(arr2)","IsDeferred":false},{"Name":"Concat with spread","Code":"arr1.concat(...arr2)","IsDeferred":false},{"Name":"ES6 construction with spreads","Code":"[...arr1, ...arr2]","IsDeferred":false}]}