Run results for: Lodash.countBy vs native code

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser: Chrome 127

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

test1

7.0M/s

test2

3.1M/s

View exact numbers

Test name	Executions per second
✓ test1	6,985,452 Ops/sec
test2	3,108,348 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

const values = {
    featurePacks: {
		feature1: true,
		feature2: true,
		feature3: false,
		feature4: true,
		feature5: false,
		feature6: true,
		feature7: false,
    }
}

Tests:

test1
const values = { featurePacks: { feature1: true, feature2: true, feature3: false, feature4: true, feature5: false, feature6: true, feature7: false, } } var tmp = Object.values(values?.featurePacks).filter( function(isSelected){return isSelected}).length
test2
const values = { featurePacks: { feature1: true, feature2: true, feature3: false, feature4: true, feature5: false, feature6: true, feature7: false, } } var tmp = _.countBy(Object.values(values?.featurePacks)).true