Run results for: startswith vs includes

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

startsWith

1646.3M/s

includes

1644.8M/s

View exact numbers

Test name	Executions per second
✓ startsWith	1,646,264,320 Ops/sec
includes	1,644,814,976 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")