Run results for: IndexOf vs Includes in string

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/130.0.6723.78 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 130

Operating system: iOS 18.1

Device Platform: Mobile

Date tested: one year ago

IndexOf

39.7M/s

Includes

14.1M/s

View exact numbers

Test name	Executions per second
✓ IndexOf	39,682,836 Ops/sec
Includes	14,053,455 Ops/sec

Script Preparation code:

var string = 'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.'

Tests:

IndexOf
string.indexOf('tempor')
Includes
string.includes('tempor')

Run results for: IndexOf vs Includes in string

Banana

IndexOf

Includes