Run results for: string.includes vs string.indexOf vs regex.test(string) vs == vs ===

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/117.0

Browser: Firefox 117

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
indexOf	1041346496.0 Ops/sec
includes	32240052.0 Ops/sec
regex	27758902.0 Ops/sec
Equal	841768896.0 Ops/sec
Strict Equal	844437632.0 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('ullamco')
includes
string.includes('ullamco')
regex
/ullamco/.test(string)
Equal
string == 'ullamco'
Strict Equal
string === 'ullamco'

Run results for: string.includes vs string.indexOf vs regex.test(string) vs == vs ===

indexOf

includes

regex

Equal

Strict Equal