Run results for: Underscore filter vs Array filter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Array filter

8.7M/s

Underscore filter

2.0M/s

View exact numbers

Test name	Executions per second
✓ Array filter	8,709,297 Ops/sec
Underscore filter	1,990,546 Ops/sec

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js'></script>

Script Preparation code:

var primes = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71,73,79,83,97]

Tests:

Underscore filter
var result = _.filter(primes,(prime) => {return prime % 2 == 0});
Array filter
var result = primes.filter((prime) => {return prime % 2 == 0});