Run results for: .startsWith() vs .test() vs .includes() vs .indexOf()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:148.0) Gecko/20100101 Firefox/148.0

Browser: Firefox 148

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 6 months ago

Benchmark engine: Benchmark.js

string .includes()

618.0M/s

string .startsWith()

587.2M/s

indexOf === 0

568.3M/s

regexp .test()

24.3M/s

View exact numbers

Script Preparation code:

var html = "https://www.google.com";

Tests: