Benchmark: Array Intersection vs. Set Intersection vs. Lodash [toby]

HTML Preparation code:

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

Script Preparation code:

var first = [...Array(100)].map(it => ~~(Math.random() * 1000));
var second = [...Array(20)].map(it => ~~(Math.random() * 1000));

const firstSet = new Set(first);

Tests:

Javascript Set intersection
const secondSet = new Set(second); new Set([...firstSet].filter(item => secondSet.has(item)));
Lodash intersection
_.intersection(first, second)
Javascript Array intersection
first.filter(it => second.includes(it))

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Javascript Set intersection
Lodash intersection
Javascript Array intersection

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser/OS: Chrome 131 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Javascript Set intersection	1102998.9 Ops/sec
Lodash intersection	493168.4 Ops/sec
Javascript Array intersection	758517.7 Ops/sec

Related benchmarks:

Array Intersection vs. Set Intersection vs. Lodash [toby] (version: 1)

Comparing performance of: Javascript Set intersection vs Lodash intersection vs Javascript Array intersection

Created: one year ago by: Guest

Jump to the latest result

Javascript Set intersection

Lodash intersection

Javascript Array intersection

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A