Run results for: startswith vs includes vs lastindexof

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 Edg/141.0.0.0

Browser: Chrome 141

Operating system: Windows

Device Platform: Desktop

Date tested: 10 months ago

Benchmark engine: Benchmark.js

includes

88.6M/s

lastIndexOf

25.0M/s

startsWith

24.7M/s

View exact numbers

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")
lastIndexOf
const str = "https://firebase.com/this/is/a/long/thing" str.lastIndexOf("https://firebase", 0)