Run results for: startswith vs includes

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/125.0.6422.80 Mobile/15E148 Safari/604.1

Browser: Chrome Mobile iOS 125

Operating system: iOS 15.7

Device Platform: Mobile

Date tested: one year ago

startsWith

44.9M/s

includes

28.2M/s

View exact numbers

Test name	Executions per second
✓ startsWith	44,910,428 Ops/sec
includes	28,161,250 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")