{"ScriptPreparationCode":"var arr1 = [];\r\nfor (var j; j \u003C 300; j\u002B\u002B) {\r\n arr1.push(Math.random().toString(16).substr(2, 7));\r\n}\r\n\r\nvar arr2 = [];\r\nfor (var j; j \u003C 230; j\u002B\u002B) {\r\n arr2.push(Math.random().toString(16).substr(2, 9));\r\n}\r\n\r\nvar arr3 = [];\r\nfor (var j; j \u003C 80; j\u002B\u002B) {\r\n arr3.push(Math.random().toString(16).substr(2, 8));\r\n}\r\n\r\nvar arr4 = [];\r\nfor (var j; j \u003C 450; j\u002B\u002B) {\r\n arr4.push(Math.random().toString(16).substr(2, 6));\r\n}\r\n\r\nconsole.log(\u0022Creating arrays:\u0022, arr1, arr2, arr3, arr4);","TestCases":[{"Name":"Spread","Code":"var bigArraySpread = [...arr1, ...arr2, ...arr3, ...arr4];","IsDeferred":false},{"Name":"Concat","Code":"var bigArrayConcat = [].concat(arr1, arr2, arr3, arr4);","IsDeferred":false}]}