Run results for: Map & Set vs Reduce & Includes

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:123.0) Gecko/20100101 Firefox/123.0

Browser: Firefox 123

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Reduce & Includes

11.2M/s

Map & Set

3.4M/s

View exact numbers

Test name	Executions per second
✓ Reduce & Includes	11,206,231 Ops/sec
Map & Set	3,408,854 Ops/sec

Script Preparation code:

filteredResults = [{ some: 'yes', profile: 'A'}, { some: 'yes', profile: 'A'}, { some: 'yes', profile: 'B'}, { some: 'C', profile: 'B'}, { some: 'yes', profile: 'B'}]

Tests:

Map & Set
const formattedProfiles = filteredResults.map(result => result.profile) const uniqueProfiles = [...new Set(formattedProfiles)]
Reduce & Includes
const formattedProfiles = filteredResults.reduce((uniqueProfiles, { profile }) => { return uniqueProfiles.includes(profile) ? uniqueProfiles : [...uniqueProfiles, profile]; }, []);