{"ScriptPreparationCode":"var arr = Array(100).fill([{n: \u0027\u0027}]);\r\nvar arr2 = Array(100).fill([{n: \u0027\u0027}]);","TestCases":[{"Name":"Array.prototype.concat","Code":"var other = arr.concat(arr2);","IsDeferred":false},{"Name":"spread operator","Code":"arr.push(...arr2);\r\nvar other = arr;","IsDeferred":false},{"Name":"array.push","Code":"for(let item of arr2) {\r\n arr.push(item);\r\n}\r\n","IsDeferred":false}]}