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/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Array.prototype.map

9.8M/s

lodash.map

4.9M/s

Ramda.map

4.3M/s

Immutable.map

1.1M/s

View exact numbers

Test name	Executions per second
✓ Array.prototype.map	9,765,257 Ops/sec
lodash.map	4,903,090 Ops/sec
Ramda.map	4,256,395 Ops/sec
Immutable.map	1,112,335 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