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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36

Browser: Chrome 67

Operating system: Mac OS X 10.13.5

Device Platform: Desktop

Date tested: 6 years ago

Test name	Executions per second
Ramda	346733.0 Ops/sec
Array (native)	1608685.0 Ops/sec
Lodash	1709652.0 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);

var mapIndexed = R.addIndex(R.map);

Tests:

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

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

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

Ramda

Array (native)

Lodash