{"ScriptPreparationCode":null,"TestCases":[{"Name":"native map","Code":"let arr = [1,3,5,7,9,2,4,6,8,0];\r\nlet native = arr.map(item =\u003E item*2\u002B3);","IsDeferred":false},{"Name":"costume","Code":"let arr = [1,3,5,7,9,2,4,6,8,0];\r\nlet i=0, len=arr.length, out=new Array(len);\r\n\r\n\tfor (; i \u003C len; i\u002B\u002B) {\r\n\t\tout[i] = arr[i]*2\u002B3;\r\n\t}","IsDeferred":false}]}