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

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Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:143.0) Gecko/20100101 Firefox/143.0
Firefox 143
Linux
Desktop
one year ago
Benchmark.js
indexOf === 0
1920.1M/s
string .startsWith()
1914.1M/s
regexp .test()
50.7M/s
string .match()
31.2M/s
View exact numbers
Test name Executions per second
✓ indexOf === 0 1,920,136,192 Ops/sec
string .startsWith() 1,914,088,576 Ops/sec
regexp .test() 50,680,324 Ops/sec
string .match() 31,238,302 Ops/sec
Script Preparation code:
Tests: