Run results for: Lodash: difference vs intersection vs includes

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.229 Whale/2.10.123.42 Safari/537.36

Browser: Chrome 90

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Difference - Full	2584631.0 Ops/sec
Intersection - Full	2205938.0 Ops/sec
Difference - Partial	2530438.8 Ops/sec
Intersection - Partial	2548943.5 Ops/sec
Difference - includes	4015621.0 Ops/sec
Intersection - includes	3759965.5 Ops/sec

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>

Script Preparation code:

var arrFull = ['past','present','future']
var arrOne = ['past']
Array.prototype.excludes = function(item) {
	return !this.includes(item)
}

Tests:

Difference - Full
_.difference(arrFull, arrFull)
Intersection - Full
_.intersection(arrFull, arrFull)
Difference - Partial
_.difference(arrFull, arrOne)
Intersection - Partial
_.intersection(arrOne, arrFull)
Difference - includes
arrFull.filter(item => !arrFull.includes(item))
Intersection - includes
arrFull.filter(item => arrFull.includes(item))

Run results for: Lodash: difference vs intersection vs includes

Difference - Full

Intersection - Full

Difference - Partial

Intersection - Partial

Difference - includes

Intersection - includes