{"ScriptPreparationCode":" var arr = [];\r\n for (var i = 0; i \u003C 10000; i\u002B\u002B) {\r\n arr[i] = {\r\n key : i,\r\n value : i *10\r\n };\r\n }\r\n ","TestCases":[{"Name":"for","Code":"for (var i = 0, len = arr.length; i \u003C len; i\u002B\u002B) {\r\n arr[i].value = arr[i].value * 3 * 8;\r\n}","IsDeferred":false},{"Name":"map","Code":"arr = arr.map(item =\u003E {\r\n item.value = item.value * 3 * 8;\r\n return item;\r\n});\r\n","IsDeferred":false},{"Name":"forEach","Code":"arr.forEach(function (item){\r\n item.value = item.value * 3 * 8;\r\n})","IsDeferred":false}]}