Run results for: Map (Lodash vs Lodash/fp vs Immutable)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

lodash.map

21.9M/s

Array.prototype.map

8.9M/s

Immutable.map

930K/s

lodash/fp.map

799K/s

View exact numbers

Test name	Executions per second
✓ lodash.map	21,854,888 Ops/sec
Array.prototype.map	8,905,799 Ops/sec
Immutable.map	930,060 Ops/sec
lodash/fp.map	798,742 Ops/sec

HTML Preparation code:

<script src='https://cdn.jsdelivr.net/g/lodash@4(lodash.min.js+lodash.fp.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 fp = _.noConflict();
function double(n) {
	return n*2;
}
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:

Array.prototype.map
data.map(double);
lodash.map
_.map(data, double);
Immutable.map
Immutable.fromJS(data).map(double)
lodash/fp.map
fp.map(double)(data)