{"ScriptPreparationCode":"var arr1 = [0,1,2,3,4,5,6,7,8,9];\r\nvar arr2 = [];\r\n\r\nfunction pushPopLast(arr, n) {\r\n const element = arr.pop();\r\n arr.push(element);\r\n return element === n;\r\n}\r\n\r\nfunction indexLast(arr, n) {\r\n const element = arr[arr.lenght - 1];\r\n return element === n;\r\n}","TestCases":[{"Name":"pop-push check","Code":"pushPopLast(arr1, 8);\r\npushPopLast(arr1, 9);\r\npushPopLast(arr2, 9);","IsDeferred":false},{"Name":"last-index check","Code":"indexLast(arr1, 8);\r\nindexLast(arr1, 9);\r\nindexLast(arr2, 9);","IsDeferred":false}]}