Run results for: IndexOf vs Includes in string

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/134.0

Browser: Firefox 134

Operating system: Windows 7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
IndexOf	680352000.0 Ops/sec
Includes	15667822.0 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