Run results for: startswith vs includes

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

startsWith

1205.0M/s

includes

44.4M/s

View exact numbers

Test name	Executions per second
✓ startsWith	1,204,950,656 Ops/sec
includes	44,368,272 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")