{"ScriptPreparationCode":"var data = Array(10000).fill(0).map(function(x, i) {\r\n return {\r\n counter: i\r\n }\r\n});\r\n\r\nfunction isOdd(num) {\r\n return num % 2 === 1;\r\n}\r\n\r\nfunction square(num) {\r\n return num * num;\r\n}\r\n\r\nfunction lessThanThreeDigits(num) {\r\n return num.toString().length \u003C 3;\r\n}","TestCases":[{"Name":"Native","Code":"const result = [];\r\nfor (const { counter } of data) {\r\n if (isOdd(counter)) {\r\n const s = square(counter);\r\n if (lessThanThreeDigits(s)) {\r\n result.push(s);\r\n }\r\n }\r\n}\r\n","IsDeferred":false},{"Name":"Lodash","Code":"var result = _.chain(data)\r\n .map(\u0027counter\u0027)\r\n .filter(isOdd)\r\n .map(square)\r\n .filter(lessThanThreeDigits)\r\n .value();","IsDeferred":false},{"Name":"Ramda with currying and composition","Code":"var result = R.pipe(\r\n R.pluck(\u0027counter\u0027),\r\n R.filter(isOdd),\r\n R.map(square),\r\n R.filter(lessThanThreeDigits)\r\n)(data);","IsDeferred":false},{"Name":"Ramda","Code":"var result = R.filter(lessThanThreeDigits,\r\n R.map(square,\r\n R.filter(isOdd,\r\n R.pluck(\u0027counter\u0027, data))));","IsDeferred":false},{"Name":"Native pipe","Code":"const result = data.map(({counter}) =\u003E counter).filter(isOdd).map(square).filter(lessThanThreeDigits);","IsDeferred":false}]}