{"ScriptPreparationCode":"var map = {};\r\nfor (let i = 0; i \u003C 20000; i\u002B\u002B) {\r\n map[\u0060${i}\u0060] = (i % 2) === 0;\r\n}","TestCases":[{"Name":"Reduce","Code":"Object.keys(map).reduce((arr, key) =\u003E {\r\n if (map[key]) {\r\n arr.push(key);\r\n }\r\n return arr;\r\n}, []);","IsDeferred":false},{"Name":"Filter","Code":"Object.keys(map).filter((key) =\u003E map[key]);","IsDeferred":false}]}