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) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 Edg/129.0.0.0
Chrome 129
Windows
Desktop
one year ago
Benchmark.js
indexOf === 0
16.1M/s
string .startsWith()
13.1M/s
regexp .test()
11.9M/s
string .match()
9.5M/s
View exact numbers
Test name Executions per second
✓ indexOf === 0 16,058,380 Ops/sec
string .startsWith() 13,070,354 Ops/sec
regexp .test() 11,877,789 Ops/sec
string .match() 9,525,453 Ops/sec
Script Preparation code:
Tests: