Run results for: javascript startsWith() vs includes()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.2 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

startsWith

72.7M/s

includes

54.5M/s

View exact numbers

Test name	Executions per second
✓ startsWith	72,668,456 Ops/sec
includes	54,529,056 Ops/sec

Tests: