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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

indexOf === 0

487.0M/s

regexp .test()

411.7M/s

string .match()

137.9M/s

string .startsWith()

71.3M/s

View exact numbers

Script Preparation code:

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

Tests: