Run results for: Array of strings, null, and ints lodash uniq vs set

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:141.0) Gecko/20100101 Firefox/141.0

Browser: Firefox 141

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Set

2.1M/s

uniq

1.1M/s

View exact numbers

Test name	Executions per second
✓ Set	2,076,646 Ops/sec
uniq	1,126,943 Ops/sec

HTML Preparation code:

<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>

Script Preparation code:

var arr = ['Batman', 'Dr. Doom', null, 'Iron Man', 'Rorschach', 'Captain America', 'J. Jonah Jameson', 'The Mekon', null, '', null, '', 'Scott Pilgrim', 'Batman', 'Dr. Doom', 'Iron Man', 'Rorschach', 'Captain America', 'J. Jonah Jameson', 'The Mekon', 'Scott Pilgrim', 1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7];

Tests:

Set
var u = new Set(arr); return u;
uniq
var u = _.uniq(arr) return u;

Run results for: Array of strings, null, and ints lodash uniq vs set

What is the fastest method of getting a the unique items from an array

Set

uniq