Run results for: startswith vs includes

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_8_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.6 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.8.2

Device Platform: Mobile

Date tested: 2 years ago

startsWith

22.6M/s

includes

15.6M/s

View exact numbers

Test name	Executions per second
✓ startsWith	22,625,294 Ops/sec
includes	15,565,618 Ops/sec

Tests:

includes
const str = "https://firebase.com/this/is/a/long/thing" str.includes("firebase")
startsWith
const str = "https://firebase.com/this/is/a/long/thing" str.startsWith("https://firebase")