Run results for: Map (Native vs Ramda vs Lodash)

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 12_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/70.0.3538.75 Mobile/15E148 Safari/605.1

Browser: Chrome Mobile iOS 70

Operating system: iOS 12.1

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
Ramda	665184.9 Ops/sec
Array (native)	2886789.0 Ops/sec
Lodash	1960154.0 Ops/sec

HTML Preparation code:

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

Script Preparation code:

function double(n) {
	return n*2;
}
var data = [...Array(20)].map((v, idx) => idx);

Tests:

Ramda
R.map(double, data);
Array (native)
data.map(double);
Lodash
_.map(data, double);

Run results for: Map (Native vs Ramda vs Lodash)

measures the speed of ramda's map vs Array's native map vs lodash map

Ramda

Array (native)

Lodash