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

Go to the benchmark
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()
930.6M/s
indexOf === 0
846.6M/s
regexp .test()
30.7M/s
string .match()
13.0M/s
View exact numbers
Test name Executions per second
✓ string .startsWith() 930,579,968 Ops/sec
indexOf === 0 846,567,296 Ops/sec
regexp .test() 30,744,750 Ops/sec
string .match() 13,008,917 Ops/sec
Script Preparation code:
Tests: