Run results for: Create an array with unique values - Lodash Uniq vs Javascript Set vs filter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

JavaScript .filter()

805/s

Javascript Set

700/s

Lodash Uniq

386/s

View exact numbers

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.5/lodash.min.js"></script>

Tests:

Lodash Uniq
let counter = 1e5; const arr = []; while(counter--) { arr.push(i); arr.push(i); } _.uniq(arr);
Javascript Set
let counter = 1e5; const set = new Set(); while(counter--) { set.add(i); set.add(i); } [...set];
JavaScript .filter()
let counter = 1e5; const arr = []; while(counter--) { arr.push(i); arr.push(i); } function onlyUnique(value, index, self) { return self.indexOf(value) === index; } arr.filter(onlyUnique);