Run results for: Test regexp vs startsWith

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.0 Safari/537.36

Browser: Yandex Browser 24

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Using startsWith

22.6M/s

Using regexp

17.3M/s

View exact numbers

Test name	Executions per second
✓ Using startsWith	22,594,900 Ops/sec
Using regexp	17,259,794 Ops/sec

Script Preparation code:

var regexp = /^[iv]-/;

function test(value) {
	return value.startsWith('i-') || value.startsWith('v-');
}

Tests: