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:121.0) Gecko/20100101 Firefox/121.0
Firefox 121
Windows
Desktop
2 years ago
Benchmark.js
indexOf === 0
1220.5M/s
string .startsWith()
1206.7M/s
regexp .test()
49.3M/s
string .match()
20.1M/s
View exact numbers
Test name Executions per second
✓ indexOf === 0 1,220,491,008 Ops/sec
string .startsWith() 1,206,725,120 Ops/sec
regexp .test() 49,309,604 Ops/sec
string .match() 20,050,194 Ops/sec
Script Preparation code:
Tests: