Run results for: Array of strings, indexOf vs includes 2

Run details:

User agent: Mozilla/5.0 (Android 14; Mobile; rv:121.0) Gecko/121.0 Firefox/121.0

Browser: Firefox Mobile 121

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

indexOf

37.5M/s

includes

36.8M/s

View exact numbers

Test name	Executions per second
✓ indexOf	37,503,652 Ops/sec
includes	36,818,152 Ops/sec

Tests:

includes
const types = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'] types.includes('e')
indexOf
const types = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'] types.indexOf('e')