Run results for: Lodash & Ramda test the gazlionth

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.149 Safari/537.36

Browser: Chrome 80

Operating system: Mac OS X 10.15.4

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
Ramda	66985.5 Ops/sec
Lodash non FP	339175.8 Ops/sec
Lodash FP	356402.4 Ops/sec
Ecma	38912.3 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.15/lodash.fp.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js"></script>

Script Preparation code:

var data = _.range(100).map(function(i) {
  return {
    counter: i
  }
});

function isOdd(num) {
  return num % 2 === 1;
}

function square(num) {
  return num * num;
}

function lessThanThreeDigits(num) {
  return num.toString().length < 3;
}

Tests:

Ramda
var result = R.pipe( R.pluck('counter'), R.filter(isOdd), R.map(square), R.filter(lessThanThreeDigits) )(data);
Lodash non FP
var result = _.chain(data) .pick('counter') .filter(isOdd) .map(square) .filter(lessThanThreeDigits) .value();
Lodash FP
var result = _.flow( _.map(_.pick('counter')), _.filter(isOdd), _.map(square), _.filter(lessThanThreeDigits), )(data);
Ecma
var result = data.map((v) => ({ counter: v.counter })) .filter(isOdd) .map(square) .filter(lessThanThreeDigits);

Run results for: Lodash & Ramda test the gazlionth

Ramda

Lodash non FP

Lodash FP

Ecma