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

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2.1 Safari/605.1.15
Safari 17
Mac OS X 10.15.7
Desktop
2 years ago
Benchmark.js
indexOf === 0
29.8M/s
regexp .test()
26.1M/s
string .startsWith()
21.7M/s
string .match()
17.8M/s
View exact numbers
Test name Executions per second
✓ indexOf === 0 29,800,326 Ops/sec
regexp .test() 26,148,216 Ops/sec
string .startsWith() 21,683,280 Ops/sec
string .match() 17,803,916 Ops/sec
Script Preparation code:
Tests: