Run results for: startswith vs includes simple

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.2 Safari/605.1.15

Browser: Safari 26

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 5 months ago

startsWith

115.2M/s

includes

72.9M/s

View exact numbers

Test name	Executions per second
✓ startsWith	115,244,056 Ops/sec
includes	72,857,576 Ops/sec

Tests:

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