{"ScriptPreparationCode":"function randomArray(length, max) {\r\n return Array.apply(null, Array(length)).map(function() {\r\n return Math.round(Math.random() * max);\r\n });\r\n}\r\nvar arr = randomArray(10000, 15);","TestCases":[{"Name":"Array.prototype.concat","Code":"var other = arr.concat(1);","IsDeferred":false},{"Name":"spread operator","Code":"var other = [...arr, 1]","IsDeferred":false},{"Name":"Push","Code":"var other = arr.push(1);","IsDeferred":false}]}