Run results for: Map (Native vs Ramda vs Lodash vs Immutable) with lambda function

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.54 Safari/537.36

Browser: Chrome 101

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Ramda.map	2082421.4 Ops/sec
Array.prototype.map	3153286.2 Ops/sec
lodash.map	2823277.8 Ops/sec
Immutable.map	392283.0 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 type='text/javascript' src='https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.2/immutable.min.js'></script>

Script Preparation code:

var data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30];

Tests:

Ramda.map
R.map((n) => n*n, data);
Array.prototype.map
data.map((n) => n*n);
lodash.map
_.map(data, (n) => n*n);
Immutable.map
Immutable.fromJS(data).map((n) => n*n)

Run results for: Map (Native vs Ramda vs Lodash vs Immutable) with lambda function

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

Ramda.map

Array.prototype.map

lodash.map

Immutable.map