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

Go to the benchmark
Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Chrome 121
Mac OS X 10.15.7
Desktop
2 years ago
Benchmark.js
indexOf === 0
31.4M/s
regexp .test()
21.1M/s
string .startsWith()
20.8M/s
string .match()
17.8M/s
View exact numbers
Test name Executions per second
✓ indexOf === 0 31,364,386 Ops/sec
regexp .test() 21,071,370 Ops/sec
string .startsWith() 20,798,212 Ops/sec
string .match() 17,812,178 Ops/sec
Script Preparation code:
Tests: