Run results for: Map (Native vs Ramda vs Lodash) 5

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36

Browser: Chrome 95

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Array (native)	46356.4 Ops/sec
Array while	2312.8 Ops/sec
Ramda	61674.0 Ops/sec
Lodash	63967.6 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(2000)].map((v, idx) => idx);

Tests:

Array (native)
data.map(double);
Array while
var result = Array(data.length); var idx = 0; while (idx < data.length) { result[idx] = double(data[idx]); idx += 1; }
Ramda
R.map(double, data);
Lodash
_.map(data, double);
Noop
var idx = 0; while (idx < data.length) { idx += 1; }

Run results for: Map (Native vs Ramda vs Lodash) 5

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

Array (native)

Array while

Ramda

Lodash

Noop