{"ScriptPreparationCode":" var arr = [];\r\n for (var i = 0; i \u003C 1000; i\u002B\u002B) {\r\n arr[i] = i;\r\n }\r\n \r\n function someFn(i) {\r\n return i * 3 * 8;\r\n }\r\n\t\r\n\tvar obj = {};\r\n\tfor (var i = 0; i \u003C 1000; i\u002B\u002B) {\r\n obj[i] = i;\r\n }","TestCases":[{"Name":"Array for each","Code":"arr.forEach(function (item){\r\n someFn(item);\r\n})","IsDeferred":false},{"Name":"Array for","Code":"for (var i = 0, len = arr.length; i \u003C len; i\u002B\u002B) {\r\n someFn(arr[i]);\r\n}","IsDeferred":false},{"Name":"Array map","Code":"arr.map(item =\u003E someFn(item))","IsDeferred":false},{"Name":"Object for each","Code":"Object.keys(obj).forEach(function(item) {\r\n someFn(item);\r\n});","IsDeferred":false},{"Name":"Object for in","Code":"for (item in obj) {\r\n someFn(item);\r\n}","IsDeferred":false}]}