{"ScriptPreparationCode":"var arr = Array.from({length: 100000}).map((_, i) =\u003E ({i}));","TestCases":[{"Name":"unshift","Code":"var arr2 = [];\r\nfor (let i = 0; i \u003C arr.length; i\u002B\u002B){\r\n arr2.unshift({...arr[i]});\r\n}","IsDeferred":false},{"Name":"reverse","Code":"var arr3 = arr.map(o=\u003E({...o})).reverse();","IsDeferred":false}]}