Run results for: IndexOf vs Includes in array

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.3 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one month ago

Benchmark engine: Benchmark.js

IndexOf

494.5M/s

Includes

493.2M/s

View exact numbers

Test name	Executions per second
✓ IndexOf	494,545,408 Ops/sec
Includes	493,202,496 Ops/sec

Script Preparation code:

var array = ['image/heic', 'image/heif']

Tests: