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

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0
Firefox 120
Windows
Desktop
2 years ago
Benchmark.js
string .startsWith()
625.5M/s
indexOf === 0
621.3M/s
regexp .test()
33.2M/s
string .match()
15.6M/s
View exact numbers
Test name Executions per second
✓ string .startsWith() 625,499,328 Ops/sec
indexOf === 0 621,330,816 Ops/sec
regexp .test() 33,169,982 Ops/sec
string .match() 15,606,793 Ops/sec
Script Preparation code:
Tests: