Run results for: endsWith slice vs Regex replace - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 18_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.3

Device Platform: Tablet

Date tested: 9 months ago

Test name	Executions per second
Regex	443450176.0 Ops/sec
endsWith	50494660.0 Ops/sec
regex neg	401532608.0 Ops/sec
endsWith neg	48346952.0 Ops/sec

Tests:

Regex
const str = "test/"; str.replace(/\/$/, '')
endsWith
const str = "test/"; if (str.endsWith('/')) str.slice(0, -1)
regex neg
const str = "test"; str.replace(/\/$/, '')
endsWith neg
const str = "test"; if (str.endsWith('/')) str.slice(0, -1)