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

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.6.1

Device Platform: Mobile

Date tested: one year ago

Benchmark engine: Benchmark.js

regexp .test()

11.8M/s

indexOf === 0

11.8M/s

string .startsWith()

9.8M/s

string .match()

7.6M/s

View exact numbers

Script Preparation code:

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

Tests: