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:133.0) Gecko/20100101 Firefox/133.0
Firefox 133
Windows
Desktop
one year ago
Benchmark.js
string .startsWith()
1583.7M/s
indexOf === 0
1429.6M/s
regexp .test()
40.7M/s
string .match()
22.5M/s
View exact numbers
Test name Executions per second
✓ string .startsWith() 1,583,653,632 Ops/sec
indexOf === 0 1,429,586,432 Ops/sec
regexp .test() 40,719,576 Ops/sec
string .match() 22,545,618 Ops/sec
Script Preparation code:
Tests: